The heavy-duty brass construction and internal slide assembly are built to withstand the pressure seating requirements of R-410A systems

ensuring seamless mechanical continuity during retrofit or repair operations

If the heater attempts to start but the ignitor doesn't glow

Common Questions and Technical Support

The 959 is the current production standard and a direct functional equivalent to the 901

Nordyne 622338 Transformer 323055-751 The heavy-duty brass construction andThe Nordyne 622338 Transformer is a heavy duty step down transformer engineered to convert 240V AC primary input to a stable 24V AC secondary output. Rated at 30VA, this OEM component is a staple for residential and commercial HVAC service, providing the necessary low voltage power for integrated furnace control boards, 24V thermostats, and ignition systems. As a veteran technician knows, a 30VA power rating is the sweet spot for many furnace repair