Watts 1 1/4 740 030 FS Hot Water Relief Valve, Iron, FNPTF x FNPTF, 1-1/4 in x 1-1/2 in, 30 psi G7607302 They offer good corrosion resistance

They offer good corrosion resistance

32 lb Opening Type Adjustable

Features Can be Converted to 3-Wheel Cutter

Hazardous Moderate Chemical Splash

Range -40 Degrees to 230 Degrees F Edge Construction Raw Edge Maximum Operating Temperature 230 Degrees F Number of Bands 1 Resistance Properties Heat Resistant

Watts 1 1/4 740 030 FS Hot Water Relief Valve, Iron, FNPTF x FNPTF, 1-1/4 in x 1-1/2 in, 30 psi G7607302 They offer good corrosion resistanceRelief Valve, Body Material Iron, Factory Set Pressure 30 psi, 2,105,000 BtuH BtuH, Overall Height 8 3 4 in, Application Hot Water Space Heating Boiler, Overall Length 4 5 8 in, Seat Material Metal, Spring Material Stainless Steel, Test Lever Test Lever Included, Standards ASME Code HV Body Material Iron Application Hot Water Space Heating Boiler Test Lever Test Lever Included Standards ASME Code HV Seat Material Metal BtuH 2,105,000 BtuH Spring