Verify the motor shaft length and shroud clearance before attempting to use it in alternative furnace brands

specifically the M9108

suitable for various mechanical room conditions

Always match or exceed the original 40VA specification

Using a switch with an incorrect water column rating can bypass safety protocols or cause nuisance lockouts

Spence BF-3/4-KIT Valve 30067439-890 Verify the motor shaft lengthThe Spence BF 3 4 KIT is a complete bends and fittings kit specifically designed for the 3 4 inch Spence Type E main valve. This essential hardware package facilitates the critical connection between the external pilot and the main regulator body, ensuring the hydraulic or pneumatic pilot signal is delivered without pressure loss. As a veteran technician knows, maintaining the integrity of these external sensing lines is paramount for the stable