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55" WC pressure switch for the draft proving circuit
What is the maximum wiring distance for this zone sensor
This assembly is primarily designed for the Weil-McLain GV90+ Series 2 gas boilers but is also documented for use in specific Ultra 80 through 105 configurations depending on the serial number
5 Cv rating and equal percentage flow characteristic ensure linear and stable control
Belimo B311B+LRB24-SR Valve Assembly R-410A 55" WC pressure switch forThe Belimo B311B+LRB24 SR is a precision engineered 3 way characterized control valve (CCV) assembly designed for modulating control of hot or chilled water in HVAC systems. Featuring a 1 2" NPT connection and a flow coefficient of Cv 1. 9, this valve utilizes a chrome plated brass ball and stem to ensure reliable performance in closed loop hydronic circuits. It is paired with the LRB24 SR non spring return actuator, which delivers 45 in lb of torque
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