designed to break the electrical circuit when the plenum temperature reaches its 260°F opening setpoint

It utilizes the same mounting footprint and terminal connections for a seamless swap

When you are protecting a medium to large commercial ASME Section IV boiler

For technicians performing gas manifold adjustments or system overhauls

This unit utilizes two snap-acting SPDT switches (Number 5 switches) to provide reliable burner cut-off and feed pump activation

Lennox 56W57 Panel Kit 322838-752 designed to break the electricalThe Lennox 56W57 Vest Panel Corbol Kit is a critical OEM component designed to maintain the structural integrity and high performance standards of residential and commercial Lennox HVAC systems. Engineered as a direct fit for the vestibule panel, this kit facilitates precise airflow regulation and provides a secure housing for sensitive electronic furnace parts, including the integrated control board. Built to withstand the high thermal environments