ensuring the system is operating with a full liquid charge

providing superior stability and linear resistance output across a wide operating range of -40°F to 210°F

A: The HS3GH24A24 is designed for 24 VAC operation

The Maxitrol 325-5BL-1/2 is a professional-grade 1/2" NPT line pressure regulator designed specifically for 2 PSI gas piping systems

ready for direct mounting to a conduit knockout

Watts 0360281 Valve Els PW 17895 ensuring the system is operatingThe Watts 0360281 Valve (Series M375 M1) is an essential safety component for contractors managing hot water heating and domestic supply boiler systems. This 3 4" boiler pressure relief valve is engineered to protect equipment from catastrophic failure caused by excessive thermal expansion or mechanical malfunction. Featuring a durable brass body construction and a high strength stainless steel spring, it is factory set to a 75 PSI relief pressure.