Watts 0275825 Valve 323055-751 and NRB series actuators to

and NRB series actuators to maintain tight control over flow rates in demanding commercial environments

this sensor provides a highly stable resistance output that is compatible with most Building Automation Systems (BAS) and digital controllers

engineered specifically for building automation and mission-critical HVACR applications

the B331 is rated specifically for chilled or hot water and glycol solutions up to 250°F

Watts 0275825 Valve 323055-751 and NRB series actuators toThe Watts 0275825 (Series 174A) is a high capacity ASME Section IV boiler pressure relief valve designed specifically for hot water space heating applications. Engineered for rugged performance in commercial and residential hydronic systems, this 1 1 4" NPT valve is factory set at 75 PSI to provide reliable overpressure protection. With a high volume discharge capacity of 3,429,000 BTU hr, it ensures system integrity during thermal expansion or