Watts 174A-135 1 1/2 - Part of the 174A Series Tactile Paving lasting drainage capacity

lasting drainage capacity

Provides debris protection for compatible roof drain systems

Capture and convey stormwater to drain pipe with the Dura Slope® Channel Drain

This 3/4 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply

Adjustable square nickel-bronze strainer with hinged solid cover for access and protection

Watts 174A-135 1 1/2 - Part of the 174A Series Tactile Paving lasting drainage capacityThis 1 1 2 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non metallic disc to metal seating, stainless steel spring, and test lever. It resists corrosive water conditions,