York S1-028-04761-700 Sheave 320788-703 As the direct replacement for

As the direct replacement for MOT3438

you would typically require an RX-series thermostat with a hermetically sealed reed switch

This module is primarily utilized in Bradford White MITW 10 Series units and specific D-series models such as the D38T155

keeping the system within its designed safety parameters

this mechanical thermostat provides reliable on/off logic for air handlers

York S1-028-04761-700 Sheave 320788-703 As the direct replacement forThe York S1 028 04761 700 Variable Groove Sheave is a heavy duty mechanical component engineered for precise airflow modulation in commercial air handling systems. Featuring a 1 1 8" bore size, this adjustable pitch pulley allows technicians to fine tune the blower fan speed to meet specific CFM requirements without replacing existing drive components. Designed for compatibility with various v belt profiles, the sheaves adjustable flange design