Hot Water Expansion Tank Installation Diagram

Positive lock retention system controls compression in the diaphragm connection eliminating air loss or water leaks in hot water expansion tank. Retail expansion tanks come with a saddle fitting which allows the installation into the system without any soldering thereby making installation easier for the average homeowner.

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They are used to absorb excess water pressure which can be caused by thermal expansion as water is heated.

Hot water expansion tank installation diagram. Do not install this tank on the hot water outlet. Installation instructions thermal expansion tanks. Turn on the water supply valve.

Thermal expansion tank to install a thermal expansion tank first determine the water pressure in your home. Interior powder coating is permanently bonded to the tank shell for ultimate protection on the water side of the water heater expansion tank. Expansion tank must be rated for use with potable water.

Heavy duty butyl rubber diaphragm ensures long life. 23 lp 276 rev. Do not install without adequate drainage provisions.

Tanks up to 9 in. Expansion tank must be rated for use with potable water. Open a hot water fixture and allow water flow until all air is removed from the system.

Piping diagrams figure 6. Reapply power to the water heater. Use a pressure gauge with a recording hand and check the pressure for a 24 hour period.

Follow all local plumbing codes during installation. Open a hot water fixture to allow a slight flow until the. This expansion tank as all expansion tanks may eventually leak.

The qs 5 thermal expansion tank mounting bracket supports up to 25 gal. Install the wh or whv tank as shown by teeing into the the cold water line. Water heater thermal expansion tanks a thermal expansion tank is designed to help protect potable drinkable hot water systems helping to maintain them and keep them working efficiently.

The expansion tank uses compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. The holdrite quick strap qs 5 h secures water heater the holdrite quick strap qs 5 h secures water heater expansion tanks to the wall relieving weight loads off connection pipes. The recommended water pressure is between 50 and 60 psi.

Some tank designs incorporate a diaphragm or bladder to isolate the expanded water from the pressure controlling air cushion. If the water pressure is greater than 80 psi install a pressure reducing valve. The galvanized steel straps install quickly and easily.

Mixing valves are recommended on all tanks if hot water temperature is above 119of. Vacuum build up in the water heater. The saddle fitting is a device that clamps around the pipe and has female threads that will accept the expansion tank.

32814 figure 7.

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