Watts Atmospheric Vacuum Breaker 8B (0061983)Series 8B Hose Connection Vacuum Breakers permit the attachment of portable hoses to hose thread faucets and prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a brass body construction (8B) or chrome finish (8BC), stainless steel working parts, a rubber diaphragm and disc, a draining stem, and a break-away set screw for tamper-resistant installations. Series 8B is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum Pressure:125psi (8.6 bar).Watts Atmospheric Vacuum Breaker 8B (0061983) Features:• 3/4 in. (20mm)• Brass body (all models except 8P)• Stainless steel working parts for longevity• Durable rubber diaphragm and disc for consistent positive seating* Not AB1953 CA/VT Compliant
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