Is the HH18HA122 compatible with 80% and 90% efficiency furnaces

with a 1/4" bore

moving the flanges closer increases the pitch diameter and driven speed

Universal Compatibility: Validated for use with modern HFC and HCFC refrigerants

It serves as a direct S1-024-35275-000 replacement for York

Century Motors FEH1026SF Motor 320734-701 Is the HH18HA122 compatible withThe Century Motors FEH1026SF Motor is a high performance 1 4 HP condenser fan motor engineered for heavy duty HVACR applications. As a direct replacement for FEH1026S, this 460V single phase motor features a 1075 RPM fixed speed, drawing 1. 0 Amp at full load. Built on a 48 Nema frame size, it utilizes a permanent split capacitor (PSC) design that requires a 7. 5 MFD 370V capacitor for optimal torque and efficiency. The unit is totally enclosed air