3-inch shaft and a reversible CW/CCW rotation

it will fit any 16x25x1 slot

'H' for heating) to help technicians quickly identify component failures or normal operating status

and ensure the gas pressure is within factory specifications

Smith 100074640 Ignitor is a critical genuine OEM ignition component engineered for high-efficiency condensing water heaters and commercial boiler systems

Browning 1VP34X7/8 CLEAR PK Sheave 321702-401 3-inch shaft and a reversibleThe Browning 1VP34X7 8 CLEAR PK is a professional grade variable pitch sheave engineered for precise air balancing and belt drive speed adjustments in HVACR systems. This single groove sheave features a high density cast iron construction, providing the mass and durability required for continuous duty fans, blowers, and pumps. With a 3. 15" outside diameter and a 7 8" finished bore, this component integrates seamlessly onto standard motor shafts,