Gas Water Heater Exhaust

The hot exhaust gases from a natural draft water heater rise through an open draft diverter and out through a metal duct.

Gas water heater exhaust.

All water heaters that burn natural gas or liquid propane lp gas require a venting system. In this case the exhaust gases backdraft into the home. A direct vent system pulls in. Rheem adjustable vent length 3 x 5 in.

Rheem 3 in. Every conventional i e non direct vent gas water heater i have seen has a roughly 1 vertical gap between its exhaust port and the exhaust vent or chimney. Power vented water heaters work the same as ordinary water heaters but the exhaust gases are blown out with a small fan instead of rising upwards through metal pipes. Gas fired water heaters like those illustrated here must be supplied with adequate combustion air and the heater s exhaust gases must be vented to outdoors.

As well as those suitable for category i gas fired appliances with b vent or appliances with a draft hood. The n the gasses end up inside the home near. The vent system must be installed by a qualified person. Set your store to see local availability add to cart.

Failure to properly vent a gas fueled water heater can result in severe injury or death from carbon monoxide poisoning. Backdraft means the exhaust gasses move downward in the exhaust pipe. 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. With a vent pipe that is too large the water heater does not produce enough heat to sufficiently warm the vent pipe to get water heater exhaust gases to rise out of the home.

Stainless steel concentric vent for indoor tankless gas water heaters model rtg20151e 1 48 15 48 15. Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters but installing a standard vent in a house.