Gas Tankless Water Heater Venting

Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.

Gas tankless water heater venting.

All indoor tankless gas water heaters must be vented vertically or horizontally to the outdoors using factory approved venting material no other venting material is permitted. Vent length 3 in. When a hot water tap is opened the tankless water heater detects the flow. The burner ignites providing a flame to heat the water.

All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. The remaining heat creates a hot exhaust gas that requires metal venting typically stainless steel or thick aluminum. Tankless water heaters are convenient and take up little space but the installation of gas fueled models is more complex than a traditional water heater installation. The gas control valve opens to supply the correct amount of gas.

Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide. Richmond essential 50 gallon tall power vent 6 year natural gas water heater. Traditional gas tank water heater require venting through the roof. But if you have an outdoor unit then you don t need a vent as the exhaust is already outside.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Tankless water heater venting must be done correctly to ensure safe and efficient operation of the unit. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. Non condensing tankless water heaters typically transfer to the water only about 80 percent of the heat they generate.

Stainless steel concentric venting for indoor tankless gas water heaters model rtg20151d 1 49 92 49 92. The flow sensor activates to determine the amount of hot water needed. Cold water passes through the heat exchanger. Set your store to see local availability add to cart.

With a condensing tankless water heater you don t need metal venting. It doesn t matter if the gas is natural gas or propane this fact remains the same.