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Proper furnace burner replacement is critical for maintaining AFUE ratings and preventing carbon buildup within the heat exchanger tubes
What is the proper flow direction for installation
using this exact furnace venter motor prevents nuisance trips and premature heat exchanger fatigue caused by improper airflow rates
The thermostat detects shifts in the main supply line pressure
Johnson Controls A28KA-1 Temperature Control THPU32HP7Y Proper furnace burner replacement isJohnson Controls A28KA 1 Industrial Thermostat, Temperature Control, 120 208 240 Vac, Two Stage, Two SPDT Switches, 0 150 Degree Temperature Setpoint Range, 5 Degree Differential Each Stage, 3 Degree Fixed Differential Between Stages, . 29" x2 1 2 Sensing Bulb, 10' Capillary Length, Knob Range Adjustment, Watertight and Dusttight A28KA 1 is identical to A28KA 1C