Venting Tankless Water Heater Into Furnace Exhaust

Typically they require stainless steel triple wall venting.

Venting tankless water heater into furnace exhaust.

This will prevent the water heater from turning on and burning you with exhaust gases. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall. They are there for a reason and they supersede building code. Tankless water heater venting features.

All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. Tankless heaters put out a lot of heat. Tankless water heaters are vented in two ways. 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.

Always follow the manufacturer s installation instructions exactly. A high e furnace has separate venting which leaves the existing vent pipe to serve only the water heater. Tankless water heaters can be vented in two ways. It would be a potential fire hazard.

Facts about tankless water heater venting. Direct vent and power vent. The existing vent pipe is typically too large and must be replaced with one of a smaller dimension so the water heater can heat the vent enough to ensure exhaust gases rise out of the home. Set the water heater thermostat to its lowest setting typically the vacation setting.

Outside tankless water heaters free up indoor space. You furnace vent pipe is probably type b vent and not suitable for this use. Tankless units withstand below freezing temperatures. Tankless water heaters don t always need two ventilation pipes even for direct vent units.

Gas tankless water heaters don t have to use indoor air for combustion. Indoor tankless water heaters draw in outside air. Remove the anchoring screw from the base of the flue pipe.