Marley Engineered UHMT2 Stat Kit Refrigerant Swapping in a 620825R furnace

Swapping in a 620825R furnace transformer ensures voltage stability and helps protect sensitive downstream electronics from power fluctuations

75" WC pressure switch typically triggers a diagnostic flash code on the integrated control board

Precision Control: Features an adjustable 3°F to 20°F differential for precise thermal management

For contractors managing boiler feed systems or pump control

Marley Engineered UHMT2 Stat Kit Refrigerant Swapping in a 620825R furnaceThe Marley Engineered UHMT2 Stat Kit is a field installed, two stage internal thermostat kit designed for high performance thermal management in industrial and commercial environments. Engineered as a direct 12 digit UPC 685360152424 replacement, the UHMT2 is identical to HUHAAMT2 and provides precise temperature regulation across a 40F to 80F range. This 2 pole control kit is specifically compatible with Marley's horizontal and downflow unit heaters,