This Source1 blower motor is a dedicated ECM part

Can I use this in an 80% AFUE furnace

Reduced Downtime: Engineered for reliability with Class B insulation and thermal overload protection to prevent motor burnout under varying loads

where the burner ignites but shuts off after a few seconds

Siemens Industrial Controls LF111N Switch R-134A This Source1 blower motor isThe Siemens LF111N is a rugged, 30A 1P 120V plug fused switch designed for reliable circuit protection in NEMA 1 indoor environments. As a veteran grade general duty safety switch, this unit features a single pole, two wire configuration that is ideal for managing low voltage HVACR and light industrial loads. The visible blade switching construction provides technicians with a clear, physical confirmation of the circuit status, while the quick make,