The 3R1C0 probe works on the principle of liquid conductivity

facilitating reliable ignition and stable pilot flame profiles

ensuring your VenNet sensor or Wi-Fi module operates at full strength

This motor operates on 208-230V single-phase power at 60Hz

reducing the frequency of probe cleaning and maintenance

Carrier HT680056 Transformer R-407C The 3R1C0 probe works onWhen 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.