Tankless Water Heater Exhaust

Tankless water heaters can be vented in two ways.

Tankless water heater exhaust.

Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Tankless water heaters can be vented in two ways. Tankless water heaters are ventilated in two ways. If a tankless water heater is not vented properly a number of things can happen.

All of them unpleasant and some quite dangerous. Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Tankless water heaters with condensing technology are up to 95 more efficient than non condensing units and emit a comparatively cooler exhaust gas according to the propane education and research council. The exhaust vent can therefore be pvc or polypropylene and not metal a feature that lowers.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Direct vent units pull in air from the outside so they have two vents for intake and exhaust. 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. Direct vent units pull in air from outside the house so they have two vents for intake and exhaust.

Power vent and direct vent. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.