Johnson Controls MR4DR24-12 Defrost Control Refrigerant The Johnson Controls P352AB-3 is

The Johnson Controls P352AB-3 is a professional-grade System 350 Electronic Pressure Control designed for precise on/off pressure management in commercial HVACR systems

skin oils can create hot spots

The switch utilizes a snap-disc mechanism that is factory-calibrated to cut power to the gas valve or heating elements when the internal plenum temperature reaches a 150

supporting both standing pilot and intermittent ignition systems

Designed for vertical or horizontal installation after the draft hood

Johnson Controls MR4DR24-12 Defrost Control Refrigerant The Johnson Controls P352AB-3 isThe Johnson Controls MR4DR24 12 is a professional grade electronic temperature control designed for precise defrost management and multi stage HVACR applications. Operating on 24 Vac, this four stage controller provides exceptional reliability with a 1. 8 degree accuracy, ensuring tight setpoint maintenance in critical refrigeration environments. The unit features built in alarm management and is packaged with two A99BB 200C sensors, allowing for