Manual reset versions require a technician to physically reset the device after a low-water event

Engineered with a micro-machined glass-on-silicon (Gl-Si) capacitance sensor

the 421-340 is rated specifically for 120Vac supply voltage

Always check the motor label to confirm the specific microfarad rating before installation

the 1087952 is the official ICP replacement board for the discontinued 1087515 model and offers the same footprint and terminal locations for a straightforward installation

Fasco A173 Inducer Assembly 320720-756 Manual reset versions require aThe Fasco A173 Inducer Assembly is a high performance 115V draft inducer motor specifically engineered as a direct OEM replacement for Intercity Products (ICP), Heil, Tempstar, and Keeprite furnace systems. Operating at 3450 RPM, this PSC (Permanent Split Capacitor) motor provides the critical static pressure required to ensure safe combustion and efficient flue gas evacuation. Built with sealed ball bearings and automatic thermal overload protection,