Belimo B311B Valve Els PW 17895 Precise Safety Calibration: Maintains a

Precise Safety Calibration: Maintains a strict 120°F to 140°F operating range to protect the gas furnace from overheating and potential cracks in the heat exchanger

this valve provides the reliability necessary for consistent climate control and HVAC system efficiency

protecting the motor shaft and housing from harmonic stress

The unit features an error-code display and can be programmed to de-energize relays upon sensing a thermistor short or open circuit to prevent system damage

While designed for Rheem-Ruud specifications

Belimo B311B Valve Els PW 17895 Precise Safety Calibration: Maintains aThe Belimo B311B is a 1 2 inch NPT 3 way characterized control valve engineered for precision in hydronic systems. With a flow coefficient of 1. 9 Cv, this valve features an A port equal percentage flow characteristic and a modified B port for constant common port flow, ensuring stable heat transfer even during part load conditions. Constructed with a nickel plated forged brass body and a chrome plated brass ball, it is rated for chilled or hot water