this genuine OEM furnace part ensures exact electrical load compatibility and physical fitment without the need for field modifications

it includes an integrated circuit breaker for reliable overcurrent protection

outperforming metal-seated alternatives

Common Questions Can I use the 3Z1B with rigid 3R rods

Precision Thermal Control: Adjustable room temperature calibration and a setpoint range of 45-90°F (7-32°C)

Armstrong Furnace R45407-001 Wire Harness Els PW 17895 this genuine OEM furnace partThe Armstrong Furnace R45407 001 Wire Harness is a critical OEM replacement component engineered for precise electrical integration within Armstrong residential gas furnaces. Designed to maintain circuit integrity and reliable signal transmission between the integrated furnace control (IFC) board and peripheral components like the inducer motor, pressure switches, and gas valve, this harness ensures fail safe communication across the 24V control