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Mars 39220 Adjustable Limit Switch 135-175°F Temperature Range

Manufacturer

Picture for manufacturer Mars

Part Number

39220
5 reviews
Sale Price

$27.16

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Mars 39220 is an adjustable limit switch designed for HVAC applications, featuring a temperature range of 135°F to 175°F. This safety control device monitors temperature conditions and automatically cuts power to the heating system when temperatures exceed safe operating limits, protecting equipment from damage due to overheating.

Key Features:

  • Adjustable temperature range from 135°F to 175°F for flexible installation requirements
  • Automatic reset functionality returns system to normal operation once temperature drops to safe levels
  • Reliable snap-action switch mechanism ensures positive contact operation
  • Durable construction suitable for residential and light commercial furnace applications
  • Direct mounting design for easy installation on furnace plenums or heat exchangers

This limit switch is commonly used as a replacement control in gas and oil-fired forced air furnaces, providing essential overheat protection and ensuring safe, reliable system operation.

i .wish you could have told me the size of the pad .i had to call mfr

major issues with affirm not working. billing address errors for no reason.

Thumbs up

Great price and speed in ordering AND they HAVE THE PARTS IN STOCK!!!!!!

Honestly found exactly what I was looking and ordered immediately

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