Carrier HT680056 Transformer 320735-701 Flexible Differential: Wide adjustment range

Flexible Differential: Wide adjustment range prevents short-cycling in high-load commercial environments

This Parker fluid control component is built for reliability in harsh environments

Rugged Construction: Designed with high-vibration resistance for demanding industrial environments

A failing switch often results in ignition lockout or "pressure switch stuck open" error codes

24V Low-Voltage Control: Engineered for standard 24VAC control circuits

Carrier HT680056 Transformer 320735-701 Flexible Differential: Wide adjustment rangeWhen you're out in the field and find a secondary side with no voltage, the Carrier HT680056 Transformer is the reliable OEM replacement part you need to restore the 24V control circuit. Built specifically for Carrier, Bryant, and Payne equipment, this 40VA HVAC transformer handles the step down from a 120V primary to a steady 24VAC secondary output. It is a critical component for powering furnace control boards, ignition modules, and 24V thermostats.