Condensing Tankless Water Heater Venting

Traditional gas tank water heater require venting through the roof.

Condensing tankless water heater venting.

The exhaust vent is also made of pvc or plastic and not metal which a feature that reduces the value of the installation. Condensation tankless water heaters minimize the value of the installation. All of them unpleasant and some quite dangerous. If a tankless water heater is not vented properly a number of things can happen.

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall. Special stainless steel pipe.

The remaining heat creates a hot exhaust gas that requires metal venting typically stainless steel or thick aluminum. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting. The vent pipe must be made of stainless steel designed for venting corrosive gases. Tankless water heaters that have a coaxial vent style provide further safety advantages.

Here are a few things your installer should consider for effective tankless water heater venting. Vent to the outside. With a condensing tankless water heater you don t need metal venting. Non condensing tankless water heaters typically transfer to the water only about 80 percent of the heat they generate.