Water Heater Air Vent

Tankless water heaters are ventilated in two ways.

Water heater air vent.

If air is introduced into the water loop system it eventually finds its way to the automatic air vent where it is vented. The automatic air vents are located throughout the system. The exhaust gases and excess heat produced by your water heater are then vented back outdoors. Set your store to see local availability add to cart.

A direct vent system pulls in. The text in the image above also mentions adding a power vent to the existing water heater. With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. Traditional tank gas 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 house.

Our line includes products such as high capacity air vents that provide automatic air venting for hot or cold water distribution systems and models with a manual vent feature for fast venting of residential and commercial systems. Rheem adjustable vent length 3 x 5 in. Stainless steel concentric vent for indoor tankless gas water heaters model rtg20151e 1 48 15 48 15. A direct vent water heater uses special coaxial venting that has separate chambers for intake air and exhaust in a single assembled vent piece.

The difference is that a power vent water heater pulls in combustion air from the space around the appliance then uses a fan to propel the exhaust through the vent. Rheem 3 in. Direct vent units attract outside air from the house or building while power vent units solely need an exhaust vent and should be installed in a larger area for receiving sufficient air amount for combustion. By contrast tankless water heaters vents can terminate on a side wall because their combustion fan blows exhaust from the units horizontally.

Air vents are designed for use on heating systems. In many cases a new vent liner will be installed to allow the water heater to vent into a smaller space. Exhaust gases are vented outdoors through a separate vent duct or through a separate chamber of the same pipe this requires a double wall vent duct. If you need to save more space be sure.

If you re feeling lukewarm about your current hot water heater or are looking to install one in your new home lowe s has a full selection of electric water heaters gas water heaters tankless water heaters hybrid heat pump water heaters and water heater accessories to help you make one very hot choice. Automatic air vents may also be found throughout any hydronic loop system. A direct vent water heater draws air for combustion from outside your home rather than inside.