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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
When you're troubleshooting a York furnace that isn't hitting temp or is cycling on a limit switch
which is critical for clearance planning within the mechanical room or crawlspace
The FT rating indicates the thermal class of the insulation system
it operates with a nonadjustable 5% nominal differential
Marley Engineered Products 410143000 Limit Switch 30067439-890 When you're troubleshooting a YorkThe Marley Engineered Products 410143000 Limit Switch is an essential OEM replacement part engineered for precise thermal regulation in electric baseboard heaters and forced air units. This heavy duty high limit safety control operates within a fixed 180 220F range, providing critical protection against overheating in residential and commercial heating systems. Unlike manual resets, this automatic reset temperature switch simplifies maintenance by