Gas Hot Water Tank Diagram. Install in location with drainage. A guide to the most common types of domestic heating and hot water systems with diagrams including indirect boiler system unvented system thermal store.
A loop of pipe was installed around the house and a pump pushed the hot water around the loop. Multiple boilers and storage tanks shall be installed with reverse return piping as shown. The gas burner fires and the heat exchanger warms the flowing water.
Electric water heater heating element replacement.
The following cross sectional gas water heater parts diagram shows the components common to most tank type heaters. The boiler diagram below works by heating the central heating water and pumping it around to the diverter valve. Expansion tank must be rated for use with potable water. Mixing valves are recommended on all tanks if hot water temperature is above 119of.