The McDonnell & Miller 93-HD Pump Controller (Part Number 162400) is a heavy-duty combination low water cut-off and pump controller engineered specifically for commercial and industrial steam boiler systems
and fan speeds to maintain optimal thermal efficiency
A single or triple flash often points to a defective pressure switch or a blockage in the venting system preventing the switch from closing
this selector board dictates motor speed and fan cycling to maintain optimal static pressure and system efficiency
This kit includes the electronic module and the required lube oil pressure sensor
Carrier HC35CE234 Motor 323055-751 The McDonnell & Miller 93-HDThe Carrier HC35CE234 is a direct drive blower motor designed for high performance air handling and condensing units. Operating at 208 230V, 1 phase, this 1 8 HP HVAC motor delivers a multi speed output of 1050 900 RPM, providing the necessary torque for precise airflow management. This OEM replacement motor features a 5 inch diameter frame with a 1 2 inch shaft, ensuring drop in compatibility with many Carrier, Bryant, and Payne systems. Designed for
