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67-amp current for 24V boiler controls
and American water heater units manufactured after 1993
Key Benefits: Enhanced Durability: Features heavy-duty bellows constructed to withstand high-cycle commercial applications without fatigue
specifically the MT3021 VLV EXP CONTROLLER
Browning BK55H Sheave 321702-401 67-amp current for 24V boilerThe Browning BK55H Sheave is a precision engineered single groove cast iron pulley designed for heavy duty power transmission. With a 5. 25" outside diameter and a 5. 0" datum diameter for B belts (4. 6" for A belts), this sheave provides reliable performance in industrial HVACR systems. It is specifically manufactured for use with H Series split taper bushings, ensuring a secure, concentric fit on the drive shaft that minimizes vibration and extends