This blade is designed for CCW rotation (Counter-Clockwise) when viewing from the discharge side or the lead end of the motor

you know that dielectric union repair is critical for preventing galvanic corrosion between dissimilar metal pipes

It operates with an open-high switch action

compatible with 120/230VAC circuits

For a correct tech-spec fit

York S1-026-34797-000 Motor Freon This blade is designed forYork S1 026 34797 000 Motor, Blower, 3 4HP, 115Vac, Single Phase, 1050 RPM, 4 Speed, 48Y Nema Frame Size, Open Air Over, CCW Lead End Rotation, Permanent Split Capacitor Motor This item is not qualified for free shipping.