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  • LF7R

    LF7R

    Watts Series LF7R Lead Free* Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It consists of a Lead Free* cast copper silicon alloy body construction, with two compact replaceable plastic check modules, and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa) Maximum Working Pressure: 175psi

  • 9BD

    9BD

    Watts Series 9BD Dual Check Vacuum Breakers for Vending Machine Water Supply Lines prevent the reverse flow of contaminates, such as carbon dioxide gas and carbonated water, from entering the potable water supply. It consists of a stainless steel body construction, rubber parts, dual check valves, ball check valve, and an atmospheric vent. Series 9BD is designed for continuous pressure applications and complies with FDA food additive regulations. Maximum Working Pressure: 150psi

  • 9D

    9D

    Watts Series 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. Minimum Working Pressure: 25psi (172kPa), Maximum Working Pressure: 175psi

  • LFH7 / LFH7C

    LFH7 / LFH7C

    Watts Series LFH7C Lead Free* Dual Check Valve with Hose Connection prevent the reverse flow of polluted water from entering into the drinking water supply at individual outlets. It consists of a chrome-plated Lead Free* brass body construction, with two independently operating check valves, stainless steel springs, pressure plates, and chrome-plated hose connection. Series LFH7C is designed for non-health hazard residential water system containment, continuous pressure applications, such as wash-down sinks with a hose-type device. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69kPa), Maximum Working Pressure: 150psi

  • LFNLF-9

    LFNLF-9

    Watts Series LFNLF-9 Lead Free* Dual Check Vacuum Breakers for Laboratory Faucets prevent the reverse flow of polluted water from entering into the potable water supply. It consists of a brass body construction with chrome plating, dual check valves, stainless steel working parts, and durable rubber diaphragm and discs. Series LFNLF-9 is designed for health hazard, non-continuous pressure applications. It is specifically designed for laboratory faucets where portable hoses can be attached. Maximum Working Pressure: 150psi

  • LFN9 / LFN9C

    LFN9 / LFN9C

    Watts Series LFN9, LFN9C Lead Free* Dual Check Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply. It consists of a Lead Free* brass body construction with an atmospheric vent, and NPT female inlet and outlet connections. Series LFN9 and LFN9C are designed for non-health hazard, continuous pressure applications. Series LFN9C comes with chrome plated finish. Maximum Working Pressure: 125psi

  • SD-2 / SD-3

    SD-2 / SD-3

    Watts Series SD-2 / SD-3 Dual Check Valves with Atmospheric Port & Strainer (SD-3 Only) for Carbonated Beverage Machines prevent the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Series SD-3 has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. Series SD-3 is available in a variety of models and is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. Maximum Working Pressure: 150psi