Gas Water Heater Exhaust

Backdraft means the exhaust gasses move downward in the exhaust pipe.

Gas water heater exhaust.

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. Stainless steel concentric vent for indoor tankless gas water heaters model rtg20151e 1 48 15 48 15. Rheem 3 in. In this case the exhaust gases backdraft into the home.

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. The n the gasses end up inside the home near. Ameri vent chimney liner kits are designed to allow you to easily line masonry chimneys. A direct vent system pulls in.

Rheem adjustable vent length 3 x 5 in. 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. 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. Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters but installing a standard vent in a house.

The process of burning of the gas is called combustion and it creates heat exhaust gases including highly poisonous carbon monoxide and moisture. The vent system must be installed by a qualified person. As well as those suitable for category i gas fired appliances with b vent or appliances with a draft hood. The hot exhaust gases from a natural draft water heater rise through an open draft diverter and out through a metal duct.

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. Kits in this category include those designed for natural draft appliances using gas oil or wood.