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It is especially well suited\nfor many domestic and commercial systems. It works by preventing internal\nvacuum conditions that could result in burned out heaters and\/or collapsed\nstorage tanks. Installed on the cold water supply line, the Cash Acme VR20\ncloses tightly under pressure and opens at a 1″ mercury vacuum. Atmosphere\nadmitted to the system breaks the vacuum, preventing collapse of the storage\ntank. APPLICATION: For protection of commercial hot water supply systems and\npressure vessels against negative pressure. APPROVALS AND LISTINGS: ANSI\nZ21.22\/CSA 4.4. 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Cash Acme 22397LF RV VR20 Vacuum Relief Valve Vent with Dust Cover, 1/2-Inch, Bronze, gold

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Cash Acme 22397LF RV VR20 Vacuum Relief Valve Vent with Dust Cover, 1/2-Inch, Bronze, gold

The VR20 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well suited for many domestic and commercial systems. It works by preventing internal vacuum conditions that could result in burned out heaters and/or collapsed storage tanks. Installed on the cold water supply line, the Cash Acme VR20 closes tightly under pressure and opens at a 1″ mercury vacuum. Atmosphere admitted to the system breaks the vacuum, preventing collapse of the storage tank. APPLICATION: For protection of commercial hot water supply systems and pressure vessels against negative pressure. APPROVALS AND LISTINGS: ANSI Z21.22/CSA 4.4. Listed by CSA

Product Features

  • HOT WATER SUPPLY: Our vacuum relief valve is designed specifically to protect the hot water supply system where over-pressure conditions are likely to occur as a result of thermal expansion
  • DOMESTIC AND COMMERCIAL APPLICATIONS: Can be used for both domestic household and commercial job site applications
  • COMPLETELY AUTOMATIC: The VR20 Vacuum Relief Valve reseals after pressure relief
  • INSTALLATION: The valve may be installed directly on the tank or in a tee and is appropriate for either side (hot or cold) of the water heater
  • PRODUCT SPECIFACTIONS: Fitted with a bronze body and has a stainless steel internal part, silicone seat disc and stainless steel pressure spring

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.

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