1 Grade B accuracy (±3/2/3%) that technicians depend on during system diagnostics and preventative maintenance

this contactor provides reliable control of compressors

ensuring no impedance mismatch

Is this pan compatible with gas furnaces or only electric air handlers

Common Questions Is the SA159-17 compatible with both steam and hot water boilers

Johnson Controls A28AA-37 Temperature Control Refrigerant 1 Grade B accuracy (±3/2/3%)Temperature Control, Two Stage, 2 SPDT Switch Action, 120 208 240 277 Vac, 60 140 Degree Setpoint Range, 5 Degree Differential Each Stage, 2 7 Degree Adjustable Differential Between Stages, 3 8" x 4" Bulb, 6' Capillary Length, Knob Range Adjuster A28AA 37 is identical to A28AA 37C