Nordyne 621709R Transformer 19 inches long

19 inches long

which translates to quieter operation and improved electrical integrity in demanding environments

This high-impact plastic dial allows for reliable setpoint adjustments in residential and commercial pneumatic or electric control systems

check your equipment’s schematics for specific voltage ratings

Always verify the part number in your specific unit's wiring diagram

Nordyne 621709R Transformer 19 inches longThe Nordyne 621709R Transformer is a heavy duty 40VA control transformer engineered specifically for residential and light commercial HVAC equipment. Designed with a 208 240V primary and a 24V secondary output, this step down transformer provides the stable low voltage power necessary for thermostats, contactors, and integrated furnace control boards. This HVAC replacement part is the current manufacturer authorized upgrade for legacy models including