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NR701 Non-Return Valve 20mm 3/4"

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NR701 Non-Return Valve 20mm 3/4"
  • Buy 10 for US$2.20 each and save 50%
NR701 20mm 3/4" Non-Return Valves offer non-return.

NR701 Non-Return Valves combine the mandatory functions of isolating valve and non-return valve for the installation of pressurised water heaters. They prevent the backflow of water from a water heater to the mains line. This serves the dual purpose of protecting the mains supply from contamination, and the loss of water that has already been heated. MATERIALS: Body - Cast gunmetal Internal Parts - Brass and stainless steel Seat Disc - Nitrile