We recommend verifying the seal during installation to ensure a proper airtight connection to the collector box

Key Benefits for Technicians Dual Fuel Compatibility: Rated for both NAT and LP gas configurations

Always ensure the furnace power is disconnected before removing the SPST leads

0KW heating capacity for effective supplemental warmth

Safety Compliance: UL Listed and Recognized for use in commercial and industrial refrigeration applications

Watts 0275824 Valve 320788-702 We recommend verifying the sealEnsure critical over pressure safety for commercial heating systems with the Watts 0275824 (Series 174A M1), a high capacity 1 1 4 inch NPT pressure relief valve specifically engineered for hot water space heating boilers. This ASME Section IV certified valve is preset to 50 PSI and provides a discharge capacity of 2,459,000 BTU hr, making it a reliable choice for large scale hydronic applications. The bronze body construction is designed to resist