This genuine OEM Lennox part
The thermostat detects shifts in the main supply line pressure
This kit is the direct successor to the legacy 0861470 (861470) series
While universal
it operates within a temperature range of -30°C to +40°C and meets strict EMI/RFI standards to prevent interference with nearby HVAC controls
Johnson Controls A28KA-1 Temperature Control THPU32HP7Y This genuine OEM Lennox partJohnson 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