the S1-024-35706-007 serves as a direct drop-in solution to restore variable-speed functionality without the need for field programming

simplifying actuator replacement without breaking the plumbing seal

This direct replacement control board features a 120-second factory-set blower off-delay and supports both 24VAC and 115VAC humidifier outputs

Why use 321 Stainless Steel instead of 304

it switches the load directly

Trane BLW1371 Inducer 319848-301 the S1-024-35706-007 serves as aThe Trane BLW1371 is a high performance OEM draft inducer blower designed for precise combustion air management in commercial and residential HVAC systems. Operating at 208 230V and a fixed speed of 3075 RPM, this motor ensures the safe extraction of combustion gases through the heat exchanger, a critical step for modern furnace ignition sequences. Built with a rolled steel frame and an aluminum flange, the assembly provides the structural rigidity