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you should always verify the part number against your specific unit's wiring diagram or serial plate to ensure electrical compatibility
Can I use this orifice for high-altitude installations
Automatic Reset: Eliminates the need for manual intervention by resetting the circuit at 200
Common Questions Does this regulator require an external vent line
Is this switch compatible with other furnace brands
MARS 39220 Limit Switch you should always verify theThe MARS 39220 Limit Switch is a versatile, high reliability solution for field service technicians needing an exact or universal replacement for furnace high limit applications. This adjustable snap disc thermostat features a temperature range of 135F to 175F with a fixed 40F differential, allowing for precise calibration to match specific internal plenum requirements. Designed as an open on rise safety device, the 39220 ensures the heating circuit