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MARS M39023 Limit Switch 190° Open 160° Close 120/240V HVAC

SKU: M39023

$18.78

Only 2 left in stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$18.780%
5–9$17.845%
10+$16.9010%

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Available to order: 2.

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Overview

The MARS M39023 Temperature Limit Switch is a high-quality HVAC safety control designed to protect heating systems from overheating.

This snap disc limit switch is configured to open on temperature rise at 190°F and automatically reset at 160°F, making it ideal for gas furnaces, air handlers, and heating equipment requiring reliable thermal protection.

Key Features

  • Opens at 190°FCloses at 160°FRated 10A @ 120V / 5A @ 240VAuto-reset design
  • Includes tab-to-screw terminal adaptersDirect OEM replacement for many furnace limit controls
  • Durable metal mounting base
  • Perfect for furnace high-limit safety applications and HVAC temperature regulation systems.
  • Designed for professional HVAC technicians and service contractors.

Product details

Part / SKU M39023

Package includes

  • MARS M39023 Limit Switch 190° Open 160° Close 120/240V HVAC

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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