Watts 0794081 - LFRK 909 RV 2 1/2 - 3" Relief Valve Rubber Kit

Watts 0061983 3/4" Vacuum Breaker This 3/4 inch hose connection vacuum breaker permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, a rubber diaphragm and disc, a draining stem, and a break-away set screw for tamper resistant installations. It is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing ...

Watts 0792093 3/4" Dual Check Valve This 3/4 inch hose bibb vacuum breaker is designed specifically for wall and yard hydrants to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of lead free body construction, stainless steel working parts, a rubber diaphragm and disc, and a draining stem. It permits manual draining for freezing conditions. The maximum pressure is 125 PSI (8.6 bar).

Watts 0387114 1-1/2" Vacuum Breaker This 1 1/2 IN Watts series 800M4-QT-FZ anti-siphon pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, lever handle shutoffs, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial ...

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. A test cock plug is provided to protectagainst fouling caused by insects, dirt and debris. Assembly shall provide protection where a potential non-health hazard exists. Standards Compliance Unless otherwise noted, applies to 3/4" thru 2" Horizontal ASSE® Listed 1015 (Vertical flow-up:1 1/4" thru 2") IAPMO® Listed CSA® Certified (Vertical flow-up:1 1/2" & 2") AWWA Compliant C510 Approved by the Foundation for Cross Connection Control and ...

Watts 0061888 3/4" Dual Check Valve This 3/4 inch dual check valve with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve 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. It consists of a brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.