Johnson Controls A28AA-28 Temperature Control Freon this switch facilitates accurate airflow

this switch facilitates accurate airflow verification by detecting differential pressure across the heat exchanger or vent system

Exact Alignment: Maintains the critical spacing between the blower motor shaft and the wheel for optimal CFM delivery

Featuring a 1/4 NPT connection and SPDT contacts

This intermittent pilot ignition system replaces older LH31CM023 units and features a factory-calibrated 0

this dual stage thermostat features a selectable five-minute compressor delay to prevent short-cycling

Johnson Controls A28AA-28 Temperature Control Freon this switch facilitates accurate airflowTemperature 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