Carrier HC37SA651 Motor R-22 This is the preferred choice

This is the preferred choice when the boiler tappings do not align with standard sight glass spacing or when hard-piping the control is required

Key Benefits for Contractors: Synchronized Dual Compressor Support: Manages two separate compressors simultaneously to ensure uniform defrost cycle management

eliminating the need to break into the piping for electrical repairs

ensuring continuous operation without manual intervention

it functions as primary heating or as an emergency backup for heat pump systems

Carrier HC37SA651 Motor R-22 This is the preferred choiceCarrier HC37SA651 1 5HP 230V 1Ph 1075RPM 2Speed CW Motor