WebAssemble and tighten each fitting with two pipe wrenches. Install the union fitting last since it connects the new line to the existing line. Apply gas-rated pipe joint compound to the … WebApr 19, 2013 · It's simpler to plumb it to use the boiler as pre-heat to the tank, which won't really care if it's taking in 60F summertime water or 150F wintertime water. If you plumbed it with the coil as pre-heat to the electric tank, you can turn off the boiler for the summer and save huge on standby loss cost and a bit on air conditioning cost.
How to Install a Tankless Gas Water Heater - The Home Depot
WebTurn off the water and gas supply valves and/or the power. Remove the electrical supply access plate at the top of the water heater. Check the connections with a continuity tester to make sure the power is off. Attach … WebMay 11, 2024 · Put plumber's paste on the threading of one end of a 20-inch piece of 1/2-inch pipe and screw it into one of the elbows. Hand tighten and use a pipe wrench on each side of the union to tighten them... potassium 4.1 good or bad
Hot Water Storage Tank and Boiler - Plumbing Zone
WebDec 30, 2010 · The way its plumbed in is the hot out from the boiler goes into the top lower fitting of the storage tank. but the recirculation pump is on this hot side moving the water from the boiler to the tank, and just after … WebOct 22, 2024 · Turn off the cold water valve at the top of the heater. Switch off the electric supply to the heater at the circuit breaker. Attach a hose … WebA check valve must be installed in the line to ensure hot water only goes in one direction. An aqua-stat is mounted to the hot-water pipe. When it senses that hot water is returning to the heater, it shuts off the pump. A timer is used to ensure that the system isn’t maintaining the recirculation line when you’re away at work or sleeping. toth catherine voyante