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NSF372, NSF61, NSF14, cUPC and IAPMO Z1157 Approved
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Available in Union X Threaded
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125 PSI and 150 PSI Rated at 500,000 btu/ hr Pressure Relief Valve Included
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Pressure Relief Valve is ASME Section IV, ANSI Z21.22 and CSA 4.4 Certified