Belimo B311B+LRB24-SR Valve Assembly 318973-401 The MARS 61480 is a

The MARS 61480 is a heavy-duty 3-pole definite purpose contactor engineered for industrial and commercial HVACR applications requiring high-amperage switching

For 24VAC applications

Mechanical Protection: Prevents excessive movement that can lead to copper line work hardening and eventual leaks

Key Benefits Direct OEM Compatibility: Ensures seamless fit and function within specific Carrier and Bryant equipment footprints

The hydraulic action element ensures the unit remains unaffected by motion

Belimo B311B+LRB24-SR Valve Assembly 318973-401 The MARS 61480 is aThe 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