Can I use an aftermarket interlock switch instead of the OEM 10690402S

ensuring minimal pressure drop across the seat

Key Benefits of the Belimo KG8 Precision Linkage: Designed for an exact fit with the KH8 crank arm and 5/16" rods to eliminate slippage

Optimized 4-Tube Geometry: Provides the necessary surface area to meet manufacturer BTU/h output requirements without restricting static pressure

Direct OEM Replacement: Replaces Trane CNT4827 exactly

Heil Quaker ICP 611798 Motor 322056-301 Can I use an aftermarketThe Heil Quaker ICP 611798 Motor is a heavy duty, OEM replacement blower motor designed specifically for high efficiency climate control systems. Built with a 48 NEMA frame size, this 1 3 HP PSC motor operates at 115V and 1050 RPM, providing the consistent static pressure required for residential furnace and air handler applications. As a 4 speed furnace motor, it allows technicians to fine tune airflow for heating and cooling stages, ensuring optimal