Tankless Water Heater Venting Through Roof

Since the exhaust of tankless water heaters is relatively cool it can be vented through the wall instead of the roof.

Tankless water heater venting through roof. A water heater vent pipe can be used for this venting with a hot water heater vent cap for safety reasons. This is much easier and it is more affordable since it uses far less material and takes much less time to do. Technically you can vent your tankless heater through the chimney but only in certain circumstances. The biggest issue is that the condensate is very acidic and will corrode the masonry of a chimney.

Storage tank propane water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the facility. You can find this venting on rinnai s webs. This video is to help understand the proper type of venting to use when installing a rinnai tankless water heater. Existing water heater vent must be replaced when installing a tankless water heater.

Tankless water heaters provide either horizontal venting or vertical venting which is also referred to as tankless water heater venting through roof. Proper venting is required to help protect the heater from corrosion damage but most importantly it is required by code to prevent gas leaks in the exhaust vent. Traditional gas tank water heater require venting through the roof. Tankless water heater venting through roof is not necessary.

This will allow your water heater to operate efficiently and effectively and most significantly it will avoid any probability of danger and therefore the risk of carbon monoxide gas poisoning. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Download a complete accessories catalog here. And for better results one can install a water heater roof vent.

Tankless water heaters allow for either horizontal venting out a side wall or up through the roof. Tankless water heater venting through roof is not necessary. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.