Watts 0275824 Valve 321142-301 Always verify your boiler's Series

Always verify your boiler's Series number and MBH input before installation to ensure the control board’s ohm-curve matches the sensor output

including hot water tanks and boilers

Dual Terminal Versatility: Equipped with both box lugs and quick-connect terminals to accommodate various wiring field conditions

This model is designed for large-frame compressors

What are the typical applications for the Belimo B238 valve

Watts 0275824 Valve 321142-301 Always verify your boiler's SeriesEnsure 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