Watts 740-070 - Part of the 740 Series Z100F-6NH it withstands years of exposure

it withstands years of exposure while maintaining peak performance

This air gap for reduced pressure zone assembly

ensuring long-lasting protection against cracking and structural damage

residential and industrial applications to protect against excessive pressure in systems containing water

Cast iron body and cover

Watts 740-070 - Part of the 740 Series Z100F-6NH it withstands years of exposureThis 1 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of an iron body construction with expanded outlet drain connections for hot water space heating boilers, non metallic disc to metal seating, stainless steel spring, and test lever. Series 740 offers large discharge capacity, resists corrosive water