Signs Of a Problem with Your Hot Water Recirculating Pump - hot water recirculating
• End connections Threaded: AANSI B1.20.1 • Hydrostatic test pressure: 350 PS ” • Maximum working water pressure: 175 PSI • Maximum working water temperature: 180° F
Reduced Pressure PrincipleAssembly
• Access covers: Cast bronze (ASTM B 584) • ASSE listed 1013 • Elastomers: Silicone (FDA approved) Buna nitrile (FDA approved) • Internals: Stainless steel, 300 Series • Main valve body: Cast bronze (ASTM B 584) • Polymers: Noryl™, NSF Listed • Polymers: Noryl™, NSF Listed • Rated to 180° F”
Reduced Pressure Principle BackflowPrevention Assembly
Reduced pressure backflow preventervs Double check valve
Standards Compliance • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California • ASSE® Listed 1013 • CSA® B64.4 • IAPMO® Listed
The Reduced Pressure Principle Assembly-2″, model 975XL by Wilkins, is a simple and great backflow preventer available to the irrigation market. Fewer parts means simple, reliable performance, and lower cost, just ask any tester. Irrigation systems present unique requirements, and the Wilkins 975XL responds with ease of access to the first check, which is the usual location for debris to lodge and foul. You can get in, clean out and reassemble in record time, saving you time and money. Standards Compliances include approval by the Foundation for Cross Connection, Control, and Hydraulic Research at the University of Southern California, ASSE® Listed 1013, APMO® Listed, CSA®, and B64.4.