Description
making it the reliable choice for large-scale HVAC system upgrades or new panel fabrication
providing the exact BTU input needed to energize the thermocouple or flame sensor
The unit must be fully seated into the crankcase well to ensure the 4
suitable for large boilers and multi-appliance manifolds
Belimo B331 Valve 30067439-890 making it the reliable choiceThe Belimo B331 is a high performance 1 1 4 inch NPT 3 way characterized control valve engineered for precise flow regulation in demanding hydronic systems. Featuring a 25 Cv rating, this valve utilizes an equal percentage flow characteristic on the A port and a modified linear flow on the B port to ensure constant common port flow, making it ideal for mixing or diverting applications. The nickel plated forged brass body housing a 316 stainless steel