The Ranco O16-166 Pressure Control is a heavy-duty SPDT refrigeration pressure switch engineered for high-precision regulation in commercial HVACR systems

The pitch determines how much air the blade moves per revolution

ensuring a reliable interface with existing control circuits

For hot water heating systems

Carrier 327905-701 Wire Harness 328140-751 The Ranco O16-166 Pressure ControlThe Carrier 327905 701 Wire Harness is a critical OEM component designed for high precision electrical distribution in Carrier HVAC systems. This multi conductor assembly features a dual connector configuration with 6 and 11 pin receptacles, facilitating secure signal and power transmission between the blower motor assembly and the control board or evaporator coil. Engineered for compatibility with select air conditioners, heat pumps, and furnaces,