Carrier HT680056 Transformer 320735-701 The NBR seals provide excellent

The NBR seals provide excellent sealing for these fluids within a temperature range of 32°F to 90°F for DC applications

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

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

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

Carrier HT680056 Transformer 320735-701 The NBR seals provide excellentWhen 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.