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Dometic 37021 Limit Switch for 7900 & 8900-III RV Furnaces

Manufacturer

Dometic

<p>Dometic is a Swedish global leader in branded solutions for mobile living, with roots tracing back to 1922 when inventors Carl Munters and Baltzar von Platen developed groundbreaking absorption refrigeration technology. Originally spun off from Electrolux's leisure division in 1960, Dometic Corporation has evolved from its refrigeration origins into a comprehensive provider of climate control, power management, and comfort systems for recreational vehicles, marine applications, and increasingly, automotive environments.</p> <h3>Engineering Excellence for Mobile Climate Control</h3> <p>As a global market leader in mobile living solutions, Dometic creates smart, sustainable, and reliable products for food & beverage, climate, power & control, and other applications. The brand's automotive product line reflects decades of engineering expertise applied to vehicle HVAC systems. Dometic is the world's leading supplier of integrated cooling solutions for the automotive industry, with OEMs relying on their experience and innovation skills.</p> <p>For vehicles requiring climate management, Dometic's <a href="/200073-air-conditioning-dometic-7321">Air Conditioning</a> systems deliver robust cooling performance in compact, energy-efficient packages. These units are engineered for the unique challenges of mobile environments, from temperature extremes to vibration resistance. The company's <a href="/7321-dometic-circulation-air-conditioning-pumps-200261">Circulation & Air Conditioning Pumps</a> play a critical role in maintaining proper coolant flow and thermal regulation, ensuring consistent HVAC performance across operating conditions.</p> <h3>Comprehensive HVAC Component Solutions</h3> <p>Temperature regulation in vehicles depends on precision-engineered components working in harmony. Dometic's <a href="/6860-hvac-heater-control-valve-dometic-7321">HVAC Heater Control Valves</a> regulate coolant flow to heating cores, allowing drivers to modulate cabin temperature with accuracy. These valves are designed for durability and consistent operation across thousands of heating cycles, reflecting the brand's focus on long-term reliability.</p> <p>Dometic's focus on technological advancements and user-friendly designs has set it apart in the industry. Beyond core climate components, the brand's <a href="/1-accessories-and-fluids-dometic-7321">Accessories and Fluids</a> catalog includes essential maintenance products that keep HVAC systems operating at peak efficiency. Proper system care with compatible fluids and components extends service life and maintains performance standards.</p> <h3>Quality and Innovation Heritage</h3> <p>Dometic demonstrates commitment to sustainable products through eco-friendly refrigerants and energy-efficient designs, having completed the phase-out of high global warming potential refrigerants by January 1, 2025. This environmental stewardship extends across their automotive product lines, where modern climate control systems balance performance with reduced environmental impact.</p> <p>Dometic is known for high-quality products in the RV, marine, and outdoor leisure markets, with a focus on innovation and durability in products such as refrigerators, air conditioners, and awnings that are well-regarded for their performance and reliability. That same engineering rigor applies to automotive applications, where components must endure demanding conditions while maintaining consistent operation. Whether replacing a worn heater control valve or upgrading circulation pumps, Dometic parts are manufactured to exacting standards that professional technicians and DIY enthusiasts have come to expect from this century-old brand.</p>

Part Number

37021
08/02/2036 4:57 AM
Sale Price

$14.04

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dometic 37021 is a replacement limit switch designed for Atwood 8900-II and 8900-III series RV furnaces, as well as the 7900 series. This critical safety component monitors furnace temperature and automatically shuts off the unit if it exceeds safe operating limits, preventing overheating and potential damage.

Key Features:

  • Direct replacement limit switch for Atwood/Dometic RV furnaces
  • Compatible with 7900, 8900-II, and 8900-III series furnace models
  • Safety component that prevents furnace overheating
  • Genuine Dometic OEM part for reliable performance
  • Restores proper furnace operation when original switch fails

This limit switch is an essential safety device that should be replaced when your furnace exhibits symptoms such as short cycling, failure to ignite consistently, or unexpected shutdowns. Regular maintenance of safety components like the limit switch helps ensure your RV heating system operates safely and efficiently throughout the camping season.

verthank youy easy would like to have talked to a service rep.

Very easy and quick

good prices

1st order. Shipped super fast and prices are amazing. I will be back for sure.

easy

Super easy and quick

Great price on my Rampage rear bumper, good customer service, bit of a wait on the processing, but not horrible. After its all said and done, I'd shop here again.

Easy...found in stock item quickly and checkout was a breeze!

1st time buyer

good price. reasonable shipping.

AAAAAAAAAAAAAAAA+++++++++++++

Excellent, except I couldn't find where to enter my 20OFFSHIPPING Coupon Code.

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