For technicians troubleshooting a furnace that is not cycling or is locking out with a three-flash or four-flash error code

Automatic Reset Logic: Eliminates the need for manual resets

To maintain the safety rating and specified performance of Modine heating equipment

it is functioning as intended to protect the heat exchanger

Precision Calibration: Factory-set temperature thresholds ensure the system shuts down accurately before unsafe levels are reached

Danfoss 068U1038 Orifice Assembly For technicians troubleshooting a furnaceThe Danfoss 068U1038 Orifice Assembly is a critical metering component designed specifically for TUA and TUAE series thermostatic expansion valves. Engineered for precise refrigerant injection, this size 08 orifice ensures optimal evaporator coil loading and superheat control across diverse temperature ranges, specifically from 40F to 50F ( 40C to 10C). This assembly, also identified by the interchangeable part number 068U103800, provides the field