Belimo B221B Valve Els PW 29614 microprocessor-based 24VAC Hot Surface Ignition

microprocessor-based 24VAC Hot Surface Ignition (HSI) module engineered to manage specialized gas-fired combustion sequences in high-demand HVACR systems

This 24V HVAC actuator is primarily used for driving dampers and valves in Trane commercial equipment where a non-spring return fails-in-place function is required

In professional applications

The P461-2502 (functionally identical to P4612502) is engineered for high-cycle industrial and residential maintenance applications

The unit features SPDT switch action

Belimo B221B Valve Els PW 29614 microprocessor-based 24VAC Hot Surface IgnitionThis Belimo B221B valve is a robust 2 way ball valve engineered for precise flow control in demanding HVACR applications. Featuring a 3 4" NPT internal thread connection and a 24 Cv rating, this valve delivers an equal percentage flow characteristic, crucial for stable system operation. Its construction includes a nickel plated forged brass body, a chrome plated brass ball, and a nickel plated brass stem, ensuring durability and resistance to