Tankless Hot Water Heater Exhaust Vent

Condensing units are typically about 95 percent efficient so the temperature of the exhaust gas is lower around 110 to 120 degrees.

Tankless hot water heater exhaust vent. Tankless water heater venting style permits for multiple emission choices. Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Traditional tank gas water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the house. If you have a gas fueled tankless water heater that is installed inside the house it needs to be vented to the outside.

99 1 10 oz free shipping only 3 left in stock order soon. Direct vent units pull in air from the outside so they have two vents for intake and exhaust. That means they can be vented with a less expensive plastic generally pvc or polypropylene. Read the reviews of the top tankless water heater models to help you decide which tankless heater is best for you.

See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. Tankless water heaters can be vented in two ways. Tankless water heaters blow exhaust from the heater horizontally with the use of fans thereby permitting vents to end on a different position of your house. To vent them a flue must be run up through the roof of the home which can be difficult and expensive.

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. But if you have an outdoor unit then you don t need a vent as the exhaust is already outside. Rheem sp20286 3 vent. With a condensing tankless water heater you don t need metal venting.

Once selected the venting of a gas tankless water heater will be the most important decision a tankless water heater installer makes when fitting a home or building with a unit. Condensation tankless water heaters minimize the value of the installation. It doesn t matter if the gas is natural gas or propane this fact remains the same. With conventional water heaters the exhaust gas can be well over 100 degrees f hot enough to burn or damage plants siding etc.

Tankless hot water heaters require special venting to blow hot exhaust gas outside where it dissipates.