While it will physically function

you know that a failing defrost cycle is a quick way to kill a heat pump's efficiency and risk compressor floodback in freezing conditions

What happens if I use a higher amperage fuse instead of the 025-28967-000

This unit is rated for 35 CFM at 100 PSIG

Rotom Motor R3-R366 Motor 320720-756 While it will physically functionThe Rotom Motor R3 R366 is a professional grade 1 4 HP 115V PSC motor designed for high static pressure applications in HVAC systems and industrial blowers. Operating at a nominal 1630 RPM, this Permanent Split Capacitor motor provides the torque and thermal stability required for continuous duty cycles in fan coil units and exhaust fans. As a veteran preferred Rotom replacement motor, the R3 R366 features a high efficiency design that optimizes power