Condensing Tankless Water Heater Venting

Here are a few things your installer should consider for effective tankless water heater venting.

Condensing tankless water heater venting.

With a condensing tankless water heater you don t need metal venting. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting. Non condensing tankless water heaters typically transfer to the water only about 80 percent of the heat they generate.

Traditional gas tank water heater require venting through the roof. The exhaust is a gas condensate that is highly acidic and corrosive to the venting so they require the right material. Special stainless steel pipe. Condensation tankless water heaters minimize the value of the installation.

If a tankless water heater is not vented properly a number of things can happen. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Vent to the outside.

The standard galvanized vent from your old storage tank heater would quickly rust away if your tankless heater vented. 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. The remaining heat creates a hot exhaust gas that requires metal venting typically stainless steel or thick aluminum.