Watts 374A Boiler Water Pressure Relief Valve, 3/4" BESTSELLERS The device functions by broadcasting

The device functions by broadcasting an electromagnetic signal in a pulsing fashion with an on-off cycle in order to avoid the numbing effect obtained with any constant sensory stimulus

The unit contains 3 side panels

2 pieces of 7' and 1 piece of 3'

Corrosion-resistant housing

Fully heat-treated

Watts 374A Boiler Water Pressure Relief Valve, 3/4" BESTSELLERS The device functions by broadcastingSeries 374A Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections, non metallic disc to metal seating, stainless steel spring, and test lever. Series 374A resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in