York S1-025-21785-002 heater 30067439-890 The Trane CNT3278 Smart Valve

The Trane CNT3278 Smart Valve is a critical ignition control component designed for high-efficiency natural gas furnaces

would be required

this SPDT pressure switch provides flexible control

ensuring reliable opening and closing even in low-load scenarios

Precision Damper Control: Features a robust 4-inch stroke and a calibrated 8-13# spring range for accurate air volume management

York S1-025-21785-002 heater 30067439-890 The Trane CNT3278 Smart ValveThe York S1 025 21785 002 is a professional grade 10KW 460V 3 element heater designed for high demand commercial and industrial HVACR applications. As an OEM York replacement part, this heating element ensures precise compatibility with established York air handling units and furnace systems. Operating at 460V (commonly referenced in 480V systems), this three element configuration provides balanced load distribution and rapid heat transfer to meet