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Package Size: 7.7 x 4.6 x 3.4 inches
Safety relief valves protect ASME Section IV hot water heating boilers and hydronic heating systems. High capacity design features corrosion resistant construction. High-capacity heating system valves with female inlet and standard female outlet. Elevated seat for drainage of water away from seat area. Entire pressure range is National oard capacity certifed. Registered in Canadian provinces and territories CRN #0G8547.5C. Protects against excessive water pressure due to failure of controls to regulate Btu input. Bronze Alloy C84400 body. Brass ASTM B-16 seat insert. Silicone seat. Brass ASTM B-16 disc. Fabric reinforce EPDM diaphragm. Steel plated stem nut. Silicone spacer. Bronze Alloy C84400 cap. PLAted ASTM A228 spring. AISI 12L14 Steel spring washer. Brass ASTM B-16 adjusted screw. Aluminum nameplate. All steel plated lift washer, handle rivet, lift handle, stem nut and diaphragm ret. High Btu capacity rating.
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