Condensing Tankless Water Heater Venting

If a tankless water heater is not vented properly a number of things can happen.

Condensing tankless water heater venting.

With a condensing tankless water heater you don t need metal venting. The exhaust is a gas condensate that is highly acidic and corrosive to the venting so they require the right material. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall.

Traditional gas tank water heater require venting through the roof. The vent pipe must be made of stainless steel designed for venting corrosive gases. The standard galvanized vent from your old storage tank heater would quickly rust away if your tankless heater vented. All of them unpleasant and some quite dangerous.

Non condensing tankless water heaters typically transfer to the water only about 80 percent of the heat they generate. Condensation tankless water heaters minimize the value of the installation. Here are a few things your installer should consider for effective tankless water heater venting. If the unit is installed on a basement wall the vent pipe can be run up just a few feet and then vented out the side with the use of a 90 degree elbow.

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. Special stainless steel pipe. The exhaust vent is also made of pvc or plastic and not metal which a feature that reduces the value of the installation.