Specification Brand : Farmer Bob's Parts BulletPoint : Spring-controlled relief pressure range up to 250 PSI T-handle permits quick adjustments to higher or lower pressures Chemical-resistant nylon construction Convenient lock wheel to hold pressure setting Made in the USA BulletPoint1 : Brass Construction, ASTM B16 BulletPoint2 : Bubble-tight seating below the re-seat pressure BulletPoint3 : Heavy duty construction for lasting performance BulletPoint4 : Stainless steel or music wire spring depending on set pressure BulletPoint5 : 150 psi Set Pressure BulletPoint6 : 【WARM TIP】 Please open your tank water heater door to check the right size 1/2" or 3/4" NPT thread needed before ordering! As most returns so far have been "Ordered the wrong size". For example, Suburban some models such as 5243A, SW10DE need the 3/4" NPT thread size, while some need the 1/2" NPT thread size. Thank you! Color : Black ConnectorType : Threaded ExteriorFinish : Silicone,Stainless Steel ExternallyAssignedProductIdentifier1 : 731515739566 ExternallyAssignedProductIdentifier2 : 0731515739566 ExternallyAssignedProductIdentifier3 : 00810256030726 IncludedComponents : Pressure Relief and Temperature ItemName : Pressure Relief/Regulating Valve 3/4" Inlet & Outlet w/ 0-250 PSI Range Farmer Bob's Parts 2066-05-58 ItemPackageDimensions_Height : 14.4 centimeters ItemPackageDimensions_Length : 3.8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-relief-valves Manufacturer : W.L Hamilton & Co Material : Nylon Material1 : Stainless Steel Material2 : Brass MaximumOperatingPressure : 150 pounds_per_square_inch ModelName : HTU-FSTPRV150A-F31 ModelNumber : 2066-05-58 NumberOfItems : 1 NumberOfPorts : 1 PartNumber : 2066-05-58 PressureRange : 22-80 pounds_per_square_inch ProductDescription : Spring-controlled relief pressure range up to 250 PSI T-handle permits quick adjustments to higher or lower pressures Chemical-resistant nylon construction Convenient lock wheel to hold pressure setting Made in the USA ProductSiteLaunchDate : 2020-01-21T17:33:35.386Z Size : 0.25 Inch SpecificationMet : Asme StreetDate : 2017-09-18T00:00:01Z Style : Threaded SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 40141600 ValveType : Pressure Relief Valve