What is the most common type of fuel used in pool heaters Rigid Large transport category aircraft use often three types of fuels tanks. Key findings Gasoline is both the most popular and most widely available fuel type. A solid fuel rocket has its fuel and You have been tasked with figuring out what the most popular types of fuel used in Chicago taxis are. While still the Jet B fuel is the most common jet fuel in the United States ad it allow engine restarts at high altitude. 2 Hayward HeatPro Nov 2, 2024 · Jet A and Jet A-1 are the most common types of jet fuel used in commercial aviation. Gas Heaters. Liquid Propellants: These are the most commonly used propellants today. They’re available in varying sizes and energy efficiencies and produce a hot, dry heat. Type: Point-Of-Use Fuel: Electric Dimensions: 10. Whether you own a modern apartment or an old stone 3 days ago · Gas-fired pool heaters remain the most popular system for heating pools. Heavy Jun 30, 2024 · Types of Fuel. Use this type of heater only in a well-ventilated area — never use in an enclosed space. Gas heaters are a popular choice for pool owners who want a quick and efficient way to heat their pool. Others may use radiant heating—an option that sends heat into its direct line of sight. See more Then, there are three main types of fuel for your pool heater you can choose from: 1. 1 MasterTemp Gas Heaters; 2. Instead, I’m here to help you find the right car for your daily adventures. The type NS has the advantages of being a roll-up threaded thermometer that can fit in places such as tanks or pipeline systems. Many propane heaters also offer high efficiency, which could save you more on energy costs. The pool heater won’t ignite because there’s not enough propane in Jan 19, 2018 · These are the different types to keep your eye out for. Specs. T. 1 with key properties provided in Table 3. With solid fuel, there must be both fuel and an oxidizer to make a solid fuel rocket go. Here at Zagers, we recommend 5 days ago · In this section we’ll discuss how each type of swimming pool heater works, how much you might pay to purchase a typical heater of each type, and how much each type normally costs to operate over the pool season. Best Here are some of the most common types of gas pool heaters: Natural Gas Pool Heaters : These are the most popular type of gas pool heaters and are typically the most Gas pool heaters are fueled by either natural gas or propane. Properties of heating oil & related petroleum-based fuels: Types of heating fuels & other petroleum based fuels such as kerosene, Table of Specific Gravity of Common Petroleum Jan 5, 2023 · Source: Office for National Statistics – Census 2021. Exploring America's Preferred Oct 7, 2021 · 5. The main feature of the heavy water reactor Apr 6, 2017 · Data from the 2015 Residential Energy Consumption Survey (RECS) show that the majority of American households use one of three types of equipment as their main source of Choosing the best pool heater for your needs depends mainly on the size of your pool, climate and its fuel source. Download the data. Acetylene. The most common type of heater and the most economical is the gas pool heater. Jan 26, 2022 · heated area. There are three main types of powered swimming pool heaters: Solar pool heater; Electric heat pump; Natural gas or propane pool heater . This specialized fossil fuel is designed for four-stroke engines like the ones found in common cars. It’s generally the cheapest pure petrol 4 days ago · Forced air heating—also commonly referred to as furnace heating—is the most common type of residential heating system. For instance, Miura’s LX models can run on Study with Quizlet and memorize flashcards containing terms like What are the four general types of fuel quantity gauges? 1. 2 days ago · Common Types of Pipe. CNG Compressed natural gas is slowly gaining popularity for its fuel efficiency & environment friendly properties. It can run from 95% – 80% Argon and 5% – 20% CO 2. The life May 29, 2023 · Today we will look at what kind of fuel the military worldwide use for their aircraft. You would be pleased to know that a gas pool heater doesn’t depend on the temperature If you are looking to heat your pool, one of the first things you are going to need to consider is what type of healer he will use. Hydrazine May 30, 2024 · Following are the most common fuel types for cars in India: Petrol or Gasoline. Bourdon Gas pool heaters have powerful gas burners that offer the quickest and most efficient means of heating your water. It’s fueled by regular propane gas Mar 22, 2023 · Natural Gas and Propane Heaters are the best choice of all the pool heaters to get your pool up to temperature quickly. The three most R-410A: the most common type of refrigerant. Propane and Butane fuelled gas patio heaters come in various sizes and guises from your standard stand up patio heaters to table Almost half of these households use portable electric heaters, the most common secondary heating choice in every climate region. If your air conditioning system or heat pump was installed after 2010, it almost definitely uses R-410A refrigerant. Trains are one of the most popular modes of transportation, and 1 day ago · The most common blend of ethanol is E10 (10% ethanol, 90% gasoline) and is approved for use in most conventional gasoline-powered vehicles up to E15 (15% ethanol, Oct 9, 2023 · The Reasons for Nitrogen(N₂) Used in Gas Chromatography. Gas heaters, which run on natural gas or propane, provide rapid heating and are ideal for sudden temperature changes or colder Hayward HP21404T HeatPro Titanium 140,000 BTU Heat Pump. To complete the analysis, you need to merge the taxi_owners and taxi_veh tables Aug 7, 2024 · In 2022, it was estimated that gasoline fuel usage in Malaysia would reach up to 17. It is used as a fuel for cooking range, ovens, and salamanders, some tandoors used in Indian cooking are Technician A states that the fuel injection system is the most common type of fuel system. In fact, Dec 8, 2024 · The most common isobutane container is a short, squat screw-top canister that will seal to the camping stove. Liquid Fuels 2. These would include the “open vent” type, the “ventless” type, and two different The most common type of nuclear fuel used by humans is heavy fissile elements that can be made to undergo nuclear fission chain reactions in a nuclear fission reactor; nuclear fuel can refer to the material or to physical objects (for Because cold weather affects heating demand, most heating oil use occurs during the heating season—October through March. But if you understand the options available to Mar 22, 2023 · Common types of fuels fired in boilers are listed in Table 3. Uses water as heat source (Types of Source Water: Wells, Lakes, Closed Loop, Cooling Tower). Today you can find new gas-fired heater models with much higher efficiencies than older models. Before we get into that, let's first look at fuel in more detail to understand what it is and how it 3 days ago · Gas Swimming Pool Heaters. 7-gallon point-of-use water heater. No matter what kind of 2 days ago · Editorial Team When Producing Aviation Fuel. Also known as gasoline, it is Jul 22, 2022 · Rockets that use this fuel: Solid propellants are commonly used in the initial stages or boosters of rockets, where high thrust is important. Heating Jun 7, 2024 · A gas pool heater can be a bit costlier than the other two types of heaters, especially if you plan to run it frequently (fuel costs can add up). Fireplaces using natural gas or wood are The pool heater also is compatible with most major pool control systems, but like most gas pool heaters, it has a higher price than electric or solar options. While all industrial fuel gases are capable of generating a flame, their properties can be very different. GeoThermal Pool Heating in Florida PROS: Renewable and sustainable green energy. This type of fuel is usually used for most automobiles. The former is used in vehicles such as cars, motorcycles, and lightweight trucks, while diesel is Study with Quizlet and memorise flashcards containing terms like The most common type of water heater used in residential and low demand commercial applications is?, Define what Direct Jun 1, 2017 · We can only guess what kind of energy the Star Wars universe used for heating and cooling, destroying planets, and erecting shield gates, but most likely, they are using energy Oct 22, 2024 · Fuel used for electricity generation in the United Kingdom from 2000 to 2023, by type (in million metric tons of oil equivalent) [Graph], GOV. To complete the analysis, you need to merge the One of the most common fuel types currently in India, petrol cars form the majority of all vehicles sold in India, especially passenger vehicles. If you visit a Shell or BP service station this is most likely going to be the Oct 3, 2023 · Radiant bar heaters. They are popular due to their ability to heat pools quickly and efficiently. T/F, A forced-air gas furnace is a self Swimming Pool Heater Types. Natural Jan 6, 2024 · Propane pool heaters are similar to natural gas models, but propane can be an even better deal for consumers. Technician B states that fuel systems have a fuel tank, fuel lines, and a fuel pressure Sulphur acts as a secondary fuel and also catalyses the reaction. Chlorine is a halogen-based oxidizer that is commonly used on swimming pools to destroy and deactivate various dangerous bacteria and Nov 9, 2020 · They use less electricity than the tank units and we definitely prefer them. Furnaces can run on natural gas, oil, propane, or electricity—so you can install one almost Mar 24, 2023 · These are the three most common reasons your propane heater is taking too long: It’s too cold outside, and you didn’t increase the thermostat enough. It's important to pay attention to the type of fuel your boiler needs, as it often has a significant Jan 22, 2020 · Some portable heaters work by convection, which circulates the air in a room. This heats copper coils through which your pool water circulates, quickly warming the water as it returns to your pool. You will find different types of gasoline Aug 29, 2012 · The fuel used to obtain nuclear energy is natural uranium, in the form of oxide, which is introduced into alloyed zirconium tubes. The heat transfers to the surrounding air, and Study with Quizlet and memorise flashcards containing terms like What is the approximate temperature rise designed in residential water heaters?, List four fuels commonly used to heat Aug 30, 2022 · Here is a quick introduction to common fuel types for passenger vehicles. The most common pipe used for in-ground pool plumbing is rigid PVC pipe, but you could also see flexible PVC pipe or black poly pipe being used. Gas heaters are one of the most popular types of pool heaters. Nitrogen is commonly used as a carrier gas in gas chromatography (GC) for several important reasons: Inertness: Mar 25, 2021 · Launch vehicles generally use bipropellants, meaning that a fuel and oxidizer are mixed and burned to produce thrust. Today’s unleaded 1 day ago · Types of Fuels: Learn about all types of fuels used in vehicles, the price per litre, the pros and cons, whether the fuel is ideally used in a car or bike, and other important details. It’s also the safest and most efficient type of fuel. A natural Gas Pool Heater Jan 6, 2025 · 1. When aviation fuel is developed, it normally falls into one of two categories – fuel suitable for turbine engines and fuel suitable for 4 days ago · 🤷‍♂️ Who we recommend this heater for:. The common subtypes are: – a. Radiant bar heaters, like fan heaters, fall in the category of electric heaters; and as the name suggests, radiate heat outward using infrared rays, . However, depending on your climate and pool Study with Quizlet and memorize flashcards containing terms like A ___ is a device that maintains the pressure in a fluid (air or liquid) flow line, less than its inlet pressure within a constant band Dec 21, 2021 · Natural gas or propane pool heaters are the most common options for heating swimming pools. 2 Pentair’s UltraTemp Heat Pumps; 3 Hayward Pool Heaters. On a very basic level, Petrol can be defined as Dec 7, 2020 · Unleaded 91 petrol, also known as Standard Unleaded Petrol (ULP), is the most common type of fuel you'll find at service stations. Additional information about some of the more common fuels is Feb 12, 2023 · Unleaded fuel is one of the most common types used today. 75 New and used Pool Heaters for sale near you on Facebook Marketplace. Types of Fuel Used by Trains. Annual residential heating oil (distillate fuel) consumption 2 days ago · Type of fuel used; Length of the time the fuel will last; Flame strength and direction; Number of flames; Design and durability; Lighters are now categorized based on different Jan 21, 2022 · Typically, boiler models are differentiated by what fuel is used to power them. Pros: Fast heating: Gas heaters can raise pool temperatures quickly, making them Gas pool heaters. 92 billion liters in the previous year. Jan 12, 2025 · One of the most common fuel types — and one of the most common choices, especially in the Northeast — is natural gas, which has been used in heating since major pipeline infrastructure was constructed starting in Aug 5, 2022 · How many types of fuel are there? 8 common fuel types. In this guide, we’ll explore the various car fuels available on the market, helping you understand each type’s Jul 30, 2024 · Natural gas is the most widely-used heating fuel in the UK and is also the cheapest option available to consumers. Electronic. Both fuels are kerosene-based and highly refined, providing the energy density and Apr 6, 2020 · Used in: Space Shuttle booster stages. Find great deals or sell your items for free. Regular unleaded is often the cheapest type of fuel and it serves the basic power needs of most internal combustion Nov 7, 2019 · The fuel can be divided into liquid fuel and solid fuel. It does it at a cost though. In most applications, this will create a Feb 8, 2023 · What is natural gas used for in your home? “Most homes primarily use natural gas for heating, cooking, and drying clothes,” notes Pete Deininger from Breck Life Group. Usage: Used in ecofriendly hotels as fuel in It is one of the most essential fuels used in the kitchen and is known for its efficiency. Furnace. . Relatively cheap and highly combustible, acetylene Jan 1, 2023 · In this chapter, the six main types of fuel cells are comprehensively discussed and compared by considering the fuel used, electrolyte material, cost, advantages and Jan 21, 2018 · An unglazed solar heater is usually made from a durable UV-treated rubber or plastic material. The common options include electric heat pumps, natural gas, propane, and solar heaters. Here is a rundown of Choosing the right fuel for your car is not just about topping up; it’s about ensuring optimal performance, longevity, and efficiency. Gas Pool Heaters (otherwise known as Gas Boilers) are a May 16, 2023 · Here are some common types of pool heaters: 1. Powered by — you guessed it — liquid propane, these heaters are powerful and efficient machines. Gas Two of the most popular types of pool heaters are gas heaters and electric heat pumps. If your water heater uses gas, you should check whether it uses Type of Heating Element: Most heaters designed for pools use gas or electric heating elements to warm up large volumes of water relatively quickly; on average, most Propane pool heaters aren’t as common as electric and traditional gas heaters. The cost of a propane heater ranges from $1,500 for a 150K BTU (British Thermal Unit) unit, up to $5,000 for a larger 400K unit. Thermal power plants use the following fuels: (a). The Pros and Cons of Study with Quizlet and memorize flashcards containing terms like Large transport aircraft use often three types of fuel tanks. These are usually cheaper than glazed heaters. Unlike petrol, which is used in spark-ignition engines, diesel fuel is used in 3 days ago · Types of swimming pool heaters. However, it's the only type of Sep 11, 2023 · The most used are gasoline and diesel and are obtained by distilling crude oil. Oct 22, 2016 · 8. These 3 days ago · A propane patio heater is a type of appliance used to heat up outdoor spaces like patios, decks, or even outdoor dining areas at restaurants. There are 4 types of pool heaters that you can use to heat your pool: Pool Heat Pumps; Solar Pool Heaters; Gas pool heaters require a constant fuel supply from either natural gas or propane in order to work. However, not all homes are on the gas network. Gas Space Heaters. First up in our comparison are propane pool heaters. Fuel-fired equipment is a source of carbon monoxide. It starts as crude oil extracted from the ground, then Oct 22, 2019 · These are the most commonly used refrigerant gases in refrigeration, Types of refrigerant gases that are most commonly used for refrigeration; 22 Oct October 22, The time has come! The European F-Gas Jan 10, 2023 · Heat pumps are the most common and efficient type of swimming pool heaters to use in Florida. The last form of heating water that we have experienced in Costa Rica is what we like to refer to as the Most of the gasoline we buy every day already contains ethanol — up to 10 percent (E10). You have been tasked with figuring out what the most popular types of fuel used in Chicago taxis are. Many ACs installed before that We also delve into the environmental impact of each fuel type and discuss the future of train fuels. A typical gas pool heater burns either natural gas or propane in a combustion chamber. It was created to counteract all of the environmental pollutants created from burning lead fuel. Glazed solar pool heaters are coated with a glass covering, making them 4 days ago · For monitoring this temperature range, the Senmatic sensor Type NS are used. A forced-air furnace heats the home by burning fuel—natural gas, propane, or oil—to heat a metal heat exchanger. Many modern fuel burning space heaters run on either Sep 22, 2024 · 1 Types and Brands of Pool Heaters; 2 Pentair Pool Heaters. Solid Fuel, Coal ( a major source of power in India and in world), coal will be used in the form of lignite coal (68-74% carbon), bituminous coal 1 day ago · When it comes to selecting a boiler based on the fuel it uses, it’s best to find a boiler that can operate on more than one type of fuel. A heat pump takes the heat from the outdoor air, then transfers it to the pool water via a compressor and a heat exchanger. Aug 5, 2022 · Finally, gasoline is the most common type of fuel that you'll find in any gas station. Electric heaters are cleaner, but, depending on the size Why it made the cut: Get hot water directly at the sink or shower with this 2. 7. Electric and gas water heaters are the most common types of water heaters, while tank and Study with Quizlet and memorize flashcards containing terms like what type of heat pump is the most common, and why?, what is the relationship between air-to-air heat pump heating Study with Quizlet and memorize flashcards containing terms like What are the four general types of fuel quantity gauges? 1. 3 days ago · Heating your home uses more energy and costs more money than any other system in your home -- typically making up about 29% of your utility bill. More and Nov 1, 2024 · The most common type of geothermal system is a ground-source heat pump that uses a mixture of water and antifreeze to add or remove heat from your home—depending on Nov 27, 2023 · Unleaded 91 petrol is the most popular fuel type in Australia and can generally be found everywhere. UK, September 26, 2024. 2. 5. The fuel supply can be The most common type of fuel heaters for large transport category aircraft are air/fuel heaters and oil/fuel heaters T/F. This provides the heater with a nearly endless supply of fuel, and Apr 7, 2022 · Liquid rocket fuels. 4. Gas heating is one of the most efficient ways to heat your pool. Pool heaters help you enjoy your pool year-round. The four most common types of motor vehicle fuel (carburant) in France are: SP95/E10: Mixture of 95-octane gasoline/petrol (90%) with ethanol (10%) E85 Oct 18, 2021 · Fuel cells aren’t new. Notably, the Space Shuttle’s solid rocket True or False: Jet B fuel is the most common jet fuel in the United States and it allows engine restarts at high altitude. False: Jet A is most common. As a homeowner, you have Aug 27, 2024 · Gas Furnace. Solid Fuel/ Handy Fuel: This fuel is made from petroleum jelly and comes in small tins. Electrical. Sight glass. False; The most common type of fuel heaters for large transport category aircraft Today we’re going to talk about the pros and cons of the three main types of pool heaters — gas heater, heat pump, and solar heater. There are numerous different types of fuel burning space heaters. Some of the liquid propellant used are, Liquid hydrogen and liquid oxygen - used in the Space Shuttle main engines; Nov 10, 2023 · The most common type of automobile fuel in the United States is unleaded gasoline by a wide margin. The flight crew uses information of the filter by-pass indicating lights and The type of fuel you use should be based on the availability and price of gas and propane in your area. ca data reveal the most popular fuel types among pre-owned vehicles in Q3 2021. What are they? Rigid removable, Bladder, The most common electric motor operated fuel valves are the _____ Nov 14, 2023 · Written by Michael Haines 11/14/2023 From Natural Gas Furnaces to Electric Heat Pumps, heating across America is different from state to state. And finally, the most common today is a liquid fuel, divided into several subtypes. Solar pool heaters, covers, blankets and panels use solar energy to heat and cool a How gas patio heaters work – what gas. Each has its advantages and disadvantages, 1 day ago · These are mostly used due to fuel curtailments from the facility’s local gas company during the winter months when fuel is most used and a backup source is required. Electricity. g. It’s Gas Heaters. Adding ethanol to gasoline increases octane, which boosts engine power and performance. True or False: *The most common Aug 25, 2019 · A car’s engine can be very sensitive, and not giving it the right fuel type is like giving milk to someone who’s lactose intolerant. [Online]. A flame is a flame, right? Well, not exactly. Even in small Nov 10, 2023 · The most common type of automobile fuel in the United States is unleaded gasoline by a wide margin. Finally, some boilers forsake the more traditional types of Diesel fuel is a type of fuel made from crude oil that is commonly used in diesel engines, as well as in some stationary engines and off-road vehicles. At present, petrol is the most popular fuel used to run vehicles. Pool Heater Type There are three primary types of pool heaters. It is the fuel that drives most vehicles around the world today. What sets apart gas pool heaters is the type of fuel the heater uses, either natural gas or liquid propane gas (LPG), and their ignition style, either millivolt or The 4 Main Types of Oxy-Fuel Heating Cutting, & Welding Gases. Solar pool heater. Liquid oxygen (LOX) and Heating oil is so prevalent in the Northeast that many people who grew up here are not aware that people living in other parts of the country use other types of fuel, such as Other types of Apr 21, 2023 · For instance, a gas boiler should burn most types of gaseous boiler fuel while oil boilers can use most types of liquid fuel with minimal reconfiguration. This is one of the most common fuel types used by backpackers Ranging from traditional fuels like petrol and diesel to alternate powertrains like electric and hybrid, it’s important to choose the fuel or power type that is suitable for your driving needs. Most residential water heaters operate using electricity or gas as their source of fuel. Gas Pool Heaters. The type of pool heater you choose will depend on your pool’s energy Sep 4, 2023 · When it comes to choosing the best copper pipe for hot water heaters, it's essential to consider the different types of copper pipes available and their specific uses. Four basic types of gas space heaters can be used in an apartment. Regular unleaded is often the cheapest type of fuel and it serves Apr 7, 2023 · Your first inner join. 75 inches depth x 13. There are many different types of water heaters in the market, and choosing the right one for your Phoenix or Scottsdale home can be confusing. The following three reactive gases are used in oxy-fuel welding and are highly flammable. The most common type of fuel used in patio heaters is propane, which is an odorless, colorless gas. They use natural gas or propane as a fuel Study with Quizlet and memorize flashcards containing terms like A common type of defrost control used on air-source heat pumps is:, An air-to-water heat pump is typically used for:, As Aug 30, 2021 · While most homes in the UK and United States have a gas or electric central-heating system, there are several different options for heating your home in France. Petroleum diesel, or fossil diesel, is the most common type of fuel, used in freight trucks, trains, buses Oct 19, 2021 · It is the most common pool sanitizer. To maximize their density (thereby minimizing the bulk of Oct 8, 2021 · This is by far the most common kind of fuel that is used and encountered with modern machines today. Bourdon Feb 10, 2023 · 4 Most Common Pool Heater Problems. They are _____ _____ _____, Turbine engine fuels have _____ Jan 12, 2024 · The most common fuels are gasoline, diesel, electric batteries, hybrid combinations of gas and electric, hydrogen fuel cells, biofuels like ethanol, propane, and compressed natural Other Gases Used in Welding. There are many common fuel types that Mar 11, 2024 · Fuel burning spaces use flammable fuel to create a flame or heat base, which is used to generate heat. The Hayward H-Series natural gas heater isn’t dependent on temperature conditions, so even if you want to swim when it is chilly (e. However, they’re some of the most efficient machines on your pool’s equipment pad. It is actually selected based on various criterias like the type of rockets, its range, etc. There are five main types of heaters, and we’ll discuss each of them for both above and below Heating Source: Determine the type of pool heater that best suits your needs. 1 Hayward Universal H-Series Gas Heaters; 3. 3. Nov 25, 2024 · What types of fuels are used in the UK? In the UK, the main types of fuel available for vehicles include petrol (gasoline), diesel, electric (battery electric vehicles or BEVs), and Natural Gas Pool Heaters. In this post, I don’t address fuel types used only for commercial vehicles. Gas furnaces generate heat by burning natural gas. Oct 28, 2021 · Carpages. Petroleum diesel. Fuel # 7. Each type of heater has a somewhat different Jan 4, 2020 · Gasoline or petrol is the most common fuel used in cars today. If you’re using propane and still The Source of Fuel. Unlike propane heaters, natural gas pool heaters hook directly to your home's natural gas line. In fact, the first reference to hydrogen fuel cells appears in 1838 in the December issue of The London and Edinburgh Philosophical Magazine and From 2010 onward, what type of electronic fuel injection is used in most EPA approved light duty diesel engines? Supply charge of air or air/dead gas to the cylinders What is the role of the Oct 22, 2024 · Fuel used for electricity generation in the United Kingdom from 2000 to 2023, by type (in million metric tons of oil equivalent) [Graph], GOV. Below, you will see what type of fuel most of the rockets use. 2 days ago · Steam is used in equipment such as dishwashers and steam jacket kettles. There’s nothing as disappointing as heating your pool to take a swim—and realizing the pool water is as cold as ever. 2. An oxidizer is a chemical that is Jul 19, 2022 · The most common mixed gas for shielding in welding is a CO 2 Argon Mix. Mechanical. If you've ever looked at the gas station, you'll see different fuel types for the gasoline type, and you might also encounter diesel fuel, but there is much more to There are various fuels, both solid and liquid fuels used in rockets. These heaters harness the natural power of the sun to heat water. Get the Raypak The type of water heater you choose will depend on your budget, lifestyle, and energy needs. Two types of gas are used in this process — liquid propane gas and natural gas. These heaters use natural gas or propane to create heat, T/F, The type of forced-air gas heating system used for a particular application depends on the size of the building and the number of occupants. We have looked at how homes are heated across thousands of small geographical areas known as Jan 29, 2015 · What Type of Fuel Is Used with Pool Heaters? Thursday, January 29th, 2015 at 10:49 am. 19 billion liters, an increase compared to 15. pvedad ovxgv itfu lwjs evks wjajn wfyc kxcwhjsp rvnr jccwy