Mechanical Calibration: Reliable bimetal coil technology eliminates the need for external power or batteries

Lead-Free Reliability: Fully compliant with lead-free plumbing requirements for safe water delivery

This 2-inch receiver gauge features a robust black plastic case and is designed for stem mount installation

protecting the heat exchanger and surrounding components from excessive thermal exposure

ensuring seamless integration with existing control logic and power blocks for a clean

Johnson Controls A28AA-28 Temperature Control Freon Mechanical Calibration: Reliable bimetal coilTemperature Control, Two Stage, 2 SPDT Switch Action, 120 208 240 277 Vac, 30 110 Degree Setpoint Range, 3 1 2 Degree Differential Each Stage, 2 7 Degree Adjustable Differential Between Stages, 12' Averaging Bulb, 6' Capillary Length, Screwdriver Range Adjuster