The Maxim M500Z Reduced Pressure Detector Backflow Preventer Assembly, 4 inch, is designed to protect drinking water supplies from dangerous cross-connections, in accordance with national plumbing codes and water authority requirements for health-hazard non-potable service applications such as irrigation, fire line, or industrial processing. This assembly also monitors unauthorized use of water from the fire protection system and detects underground leaks.
The unit features a compact, modular design with a single access cover for easy maintenance, approved for horizontal Z pattern installation.
WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing, consult your local water authority, building, and plumbing codes.
Features
- Extremely compact design, approximately 70% lighter than traditional designs
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304 (Schedule 40) Stainless Steel Housing & Sleeve for durability
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Groove fittings allow for integral pipeline adjustment and easy installation
- Patented Link Check modules provide lowest pressure loss
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Unmatched ease of serviceability with a single access cover
- Includes UL/FM grooved gear operated butterfly valve shutoffs with tamper switch
- Equipped with a gallon per minute meter to detect leaks and unauthorized water usage
- Approved for horizontal or Z pattern installations
- Contains two independent Link Check modules and a differential pressure relief valve
- Replaceable check disc rubber
- Bronze body nickel plated test cocks
