Venting Tankless Water Heater Into Furnace Exhaust

Tankless heaters put out a lot of heat.

Venting tankless water heater into furnace exhaust.

Remove the anchoring screw from the base of the flue pipe. A high e furnace has separate venting which leaves the existing vent pipe to serve only the water heater. Indoor tankless water heaters draw in outside air. Tankless water heaters don t always need two ventilation pipes even for direct vent units.

It would be a potential fire hazard. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall. Tankless units withstand below freezing temperatures. They are there for a reason and they supersede building code.

This will prevent the water heater from turning on and burning you with exhaust gases. Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide. Tankless water heaters can be vented in two ways. Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.

Outside tankless water heaters free up indoor space. Set the water heater thermostat to its lowest setting typically the vacation setting. Tankless water heaters are vented in two ways. You furnace vent pipe is probably type b vent and not suitable for this use.

Always follow the manufacturer s installation instructions exactly. 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. All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. Facts about tankless water heater venting.

Typically they require stainless steel triple wall venting. Gas tankless water heaters don t have to use indoor air for combustion. Tankless water heater venting features.