For household use install the reducing valve when possible, so that the sill cock line is on the high or street side of the reducing valve. Before installing the reducing valve, flush out the line to remove loose dirt and scale, which might damage valve disc and seat. On valves having strainers the screen should be removed and cleaned at least once every six months, more often if water conditions are bad.

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Wattsexpansion tanksizing chart

Effectiveness of the Thermal Expansion by-pass featureis limited to systems where the street main pressure is less than the setting of the heater relief valve. Therefore, the highest allowable pressure setting for the relief valve should be selected for widest effectiveness of a Thermal Expansion by-pass

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INSTALL VALVE IN THE LINE SUPPLY PRESSURE CONNECTED TO THE "IN" CONNECTION. These regulators can be installed horizontally in either an upright or inverted position or in a vertical position, and must be installed in an accessible location to facilitate servicing the regulator.

Note that in an open expansion tank fresh air is constantly absorbed in the water and tends to corrode the system. Open expansion tanks must also be located above the highest heating element, in general on the top of buildings, where they may be exposed to freezing.

Expansion tanksizing rule of thumb

Since 1910 Ames Fire & Waterworks has been a leader in the manufacture of valves and fittings for all types of pipeline systems. Ames products serve the ...

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An electronic mixing valve is a type of thermostatic mixing valve. It is installed as part of a hot water system in order to mix hot and cold water together.

Annual inspection of all water system safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.

When high house pressure is evident, open a cold water faucet. If your pressure gauge shows immediate drop to the regulated reduced pressure setting it indicates the regulator is operating correctly end that thermal-expansion is the cause of the expanded pressure. For additional detailed information, send for folder F-RV.

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TO READJUST Pressure, loosen check nut and turn adjusting screw clockwise to raise pressure and counter clockwise to lower pressure.

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The use of a water pressure-reducing valve normally creates a closed system. When water is heated in a closed system, it expands, causing an increase in pressure. This pressure may increase to the set pressure of the relief valve (on the water heater) causing it to drip, thus releasing the expanding water and protecting the system against excessive pressure, This increase in the system pressure over that regulated by the reducing valve is called "thermal expansion pressure".

18 Apr 2015 — Your pressure reducing valve has a strainer that threads into the bottom of the valve. The strainer should be cleaned every year or two. Now ...

Watts® Hot Water Recirculating System with Built-In Timer. Never wait for hot water again! The Watts® Hot Water Recirculating Pump provides hot water at every ...

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Expansion tanksizing calculator

By choosing VersaCheck, you are investing in a high-quality, lead-free backflow preventer that combines ease of installation with superior performance. Designed ...

Expansion tank sizefor 50 gallon water heater

Line Pressure Gauges - Accessories Line Pressure Gauges.

A pump that's pumping the cold water out of the hot water pipes and the crossover valve at the furthest, end of the system.

How to calculateexpansion tank sizefor chilled water system

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No. 25AUB by-pass Model water pressure reducing valves, are an economical solution of this annoyance, since under certain conditions it allows the expanding water to escape back into the supply main before it can affect the relief valve.

At Backflow Direct, we provide high-quality, certified backflow prevention assemblies, pressure-relief valves, ACVs, strainers, and more.

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Expansion tanks are required in heating, cooling or air condition system to avoid unacceptable increases of system pressures when water expands during heat-up.