Standard/Approvals: Third-Party Tested and Certified in Compliance with U.S. Federal Public Law 111-380|Pressure Relief Valve is ASME listed and ANSI Z21.22 / CSA 4.4 Compliant: CSA rated to 200,000 Btu/hr|ASME rated to 150 psi and 500,000 Btu/hr|ANSI/ASME B1.20.1|cUPC Listed|ISO 9002
INCLUDES: Hot and Cold Isolation Valve and Pressure Relief Valve