Lennox 10P17 Transformer the Functional Devices TR40VA002 is

the Functional Devices TR40VA002 is rated for 50/60 Hz operation

Precise Level Sensing: Ensures the water inlet valve energizes correctly to prevent tank overflow or element burnout

ensuring proper static pressure and airflow delivery across the evaporator coil

or valve cartridge replacement to prevent future leaks

It features a 1/4-inch hub bore with a CCW (Counter-Clockwise) rotation as viewed from the discharge side

Lennox 10P17 Transformer the Functional Devices TR40VA002 isThe Lennox 10P17 is a heavy duty 40VA HVAC transformer engineered for multi tap versatility in light commercial and residential climate control systems. Built to handle 120 208 240V primary inputs and provide a stable 24V secondary output, this replacement part ensures consistent power delivery to contactors, thermostats, and integrated furnace controls. This foot mounted unit is essential for technicians addressing voltage drop issues or failing