We have had s many as thirty in stock at a time in our warehouse.
Gas waterheaters (natural gas or propane) Since they are atmospheric ventilation models, they use galvanized ventilation pipes connected directly to the house chimney.
Power-vent waterheaters are equivalent to the atmospheric models, but with a re-engineered exhaust . The exhaust vent is formed from PVC plastic instead of metal, features a blower (black motor on the top) installed to help the expulsion of combustion by-products, and may be vented through either the roof or a sidewall when there’s no chimney.
Electric waterheaters as the name says … they will have a wire connected to the head of the hot water tank. They will also have one or two maintenance entrances (as shown in the picture)