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When you're troubleshooting a York furnace that isn't hitting temp or is cycling on a limit switch
or producing excessive humming/chattering during operation
it operates with a nonadjustable 5% nominal differential
Operating at 115V with a robust 1/16 HP output
Environmental Protection: The NEMA 4X enclosure is watertight and dust-tight
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
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