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Water heater vent pipe.
Both pvc vent pipes must terminate on the outside.
Water heater ducts may lead directly outdoors or they may tie into a larger vent duct that also serves a gas or propane furnace or boiler in the home.
Apollopex corrugated the 3 4 in.
The duct may be metal or plastic depending on the type of vent system.
Plastic condensing vent pipe extension for rinnai super high efficiency tankless water heaters model 224080pp 43 21 43 21.
Pvc vent pipe water heater power vent system based on 2 pipes this system is called direct vent uses one pvc pipe to supply combustion air from the house exterior and second pvc vent pipe to discharge exhaust gases beyond the house.
After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with pliers.
Gas water heater vent pipe connector must continuously run upward towards the chimney entrance rising not less than 1 4 per linear foot to provide proper draft.
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All water heater venting systems use a vent duct or pipe also called a chimney or flue to bring exhaust gases from the water heater to the outdoors.