Tankless Water Heater Chimney Venting

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

Tankless water heater chimney venting.

Tankless water heaters are vented in two ways. Needs pvc or category iii stainless steel anything else faces severe corrosion that will end up shortening the lifespan of your tankless will cost money to replace masonry of your chimney and can. Before you decide against a tankless water heater for your next project consider these tankless water heater venting requirements. Existing water heater vent must be replaced when installing a tankless water heater.

Vent to the outside. When venting a gas water heater to a chimney be aware that holes in the chimney can prevent a good draw on the water heater causing downdrafts and presenting the risk of carbon monoxide poisoning. 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. To avert this problem you can vent the water heater to the largest hole in the chimney and cap the remaining holes.

Facts about tankless water heater venting. Direct vent and power vent. Tankless water heater venting must be done correctly to ensure safe and efficient operation of the unit. This configuration allows tankless units to fit in smaller spaces.

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. Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater which requires an electrical outlet to be close to the water heater. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry. Gas tankless water heaters don t have to use indoor air for combustion.

Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust. Shouldn t share venting your tankless water heater needs to have its own vent and cannot share one with a furnace or other water heaters. Tankless water heaters can be vented in two ways. Venting of a tankless water heater in accordance with the manufacturer s directions is very important in order to install the water heater.