including Robertshaw 41-401 and Honeywell Q4100C9042

on-the-fly oil swaps without breaking the vacuum

032" quick-connect terminals

it is designed to carry the 24V signal required to operate the damper motor and return the proving signal to the ignition module through the HVAC part interface

it provides high-level isolation between primary and secondary windings to ensure long-term performance in demanding environments

Reznor 210764 Switch including Robertshaw 41-401 and HoneywellThe Reznor 210764 is a low temperature oil switch engineered specifically for waste oil heating systems to ensure the burner remains within safe operational parameters. As a factory authorized OEM replacement part, this 140F limit switch is designed to monitor preheated oil temperature, preventing the system from firing if the oil is too cold for proper atomization. Maintaining this set point is critical for reducing soot buildup and protecting the