Backflow Preventer

DCs offer protection against non-health hazards whereas RPZs offer maximum backflow protection for hazardous substances.

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See A. O. Smith's selection of water heater expansion tanks to protect your home from damage due to excessive pressure.

The P2820 is a sleek and compact under-sink temperature mixing valve designed to help prevent scalding. Meeting ASSE 1070 standards for mixing valves, it features a superior, fast-acting thermostatic element that provides stable operation at flow rates as low as .25 gpm (.95 lpm). The under-sink, anti-scald valve also reduces the outlet flow to a trickle in the event of a cold-water supply failure to avoid scalding.

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Public and patient restrooms usually look institutional, dirty or unhygienic. We make commercial plumbing fixtures that look modern, are easy to clean, and are made from anti-bacterial materials.

PipingNow offers both Reduced Pressure Principle Backflow Preventer (RPZ) and Double Check Backflow Valve Preventers (DC).

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The valve inlets and outlet connections of the P2820 hot water tempering valve are standard 3/8 in. supply line compression connections for use with 3/8 in. OD tube. The inlets feature check valves to prevent cross-contamination as well as serviceable strainer screens to prevent the valve from being clogged with dirt or debris.

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WattsBackflow preventer

Backflow preventers valves are devices that are installed prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are substances that are hazardous.

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In compliance with ASSE 1070/CSA B125.7 standards, the adjusted outlet temperature range of the HG135 is 100 – 120°F (38-49°C).

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Thermostatic mixing valves testing must be done by a qualified plumber annually, such as CRG. A TMV is a valve that blends hot & cold water.

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