Hot Water Storage Tank Piping Diagram. Really a tank is a tank. When the aquastat on the storage tank calls for heat the pump turns on and then the boiler turns on.
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The recirculation loop shall be returned to the cold water inlet of the small tank-type water heater with the hot water outlet connected to the hot water line feeding the fixtures. Indirect fired water heater tanks for domestic hot water such as the SuperStor TM are usually located close to the heating boiler and will have both cold and hot water lines leaving the tank to supply the building with domestic hot water and a loop of piping that runs between the usually the bottom of the tank and a nearby heating boiler. Two lines run to and from the water heating source possibly circulating by convection with cold water leaving the tank bottom and warm or hot water entering higher on the tank.
When hot water is drawn from the tank it is replaced by cold from the cold tank which in turn is fed to the boiler.
Ao smith 2018 a. Expansion tank must be rated for use with potable water. Water Closet Flush Tank Public 5 5 -- Pedestal Urinal Flush Valve Public 10 10 --. Really a tank is a tank.
