My Account
Shopping Cart

Dometic 4450022959 CoolAir RTX 4AWG Wiring Kit with Anderson Connector

Manufacturer

Dometic

<h3>Dometic: The Global Standard for Mobile Climate Comfort</h3><p>For anyone who has spent time in an RV rolling across sun-baked desert highways or aboard a boat anchored in a sweltering marina, climate control isn't a luxury — it's a necessity. <strong>Dometic</strong> has built its reputation as the world's go-to brand for making mobile living comfortable, delivering compact, purpose-built climate solutions for RV travelers, boaters, campers, and outdoor enthusiasts across the globe.</p><p>Dometic's approach centers on the idea that adventure and comfort aren't mutually exclusive. Whether you're spending a weekend at a campground or cruising the open water for weeks at a time, Dometic engineers its products to perform reliably in demanding conditions — extreme heat, salt spray, tight installation spaces, and limited power supplies included.</p><h3>RV Air Conditioning: Keeping the Road Cool</h3><p>Dometic is one of the most recognized names in RV air conditioning. Their rooftop units span a wide range of BTU capacities, from compact low-profile designs suited for smaller campers to high-capacity systems built for large Class A motorhomes. Product lines like the Penguin II and FreshJet are engineered with aerodynamic profiles that minimize wind drag while delivering powerful, efficient cooling. Many models are available with integrated heat pump capability, making them four-season solutions for travelers who venture into colder climates. Dometic RV air conditioners can be found factory-installed on a huge percentage of new RVs sold in North America, Europe, and Australia — a testament to how deeply the brand is trusted by manufacturers and end users alike.</p><h3>Marine Air Conditioning: Decades of Seafaring Expertise</h3><p>On the water, Dometic's authority in <a href="/7321-dometic-rv-air-conditioning-200073">marine air conditioning</a> is the product of more than 60 years of experience building systems under legendary brands including Cruisair and Marine Air. That legacy has made Dometic the preferred marine climate brand for boat and yacht builders worldwide, with what is recognized as the world's largest certified dealer network for marine air conditioning systems. From compact self-contained units ideal for vessels up to 40 feet, to modular chiller systems designed for larger yachts, Dometic's marine lineup offers complete climate solutions for virtually any hull. Systems like the EnviroComfort series combine powerful cooling with reverse-cycle heating capability, all in a compact package designed for straightforward retrofitting.</p><h3>Circulation & Air Conditioning Pumps: The Heart of the System</h3><p>A marine air conditioning system is only as reliable as the pump circulating seawater through it. Dometic's <a href="/7321-dometic-rv-circulation-air-conditioning-pumps-200261">circulation and air conditioning pumps</a> are engineered to be the dependable core of any onboard climate setup. Their magnetic-drive pump designs eliminate traditional mechanical shaft seals — the chronic weak point in marine pump reliability — resulting in a leak-resistant, low-maintenance solution. Models like the PML and CW series are available in a range of flow capacities to match everything from small self-contained AC units to large chiller systems, and many can be run submerged or in open air, giving installers maximum flexibility.</p><h3>Why Dometic?</h3><ul><li>Decades of innovation in RV and marine climate control across multiple continents</li><li>Product lines engineered specifically for the space, power, and durability demands of mobile environments</li><li>Broad portfolio covering rooftop RV units, marine self-contained systems, chillers, air handlers, and circulation pumps</li><li>Factory-preferred supplier for RV and boat manufacturers worldwide</li><li>Global certified dealer and service network for long-term ownership support</li></ul><p>From the first cool blast of air on a hot summer day in your RV, to the quiet hum of a marine system keeping your cabin comfortable at anchor, Dometic products are built to deliver comfort wherever the road or water takes you.</p>

Part Number

4450022959
09/10/2036 7:26 PM
Sale Price

$399.99

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dometic 4450022959 Wire Harness is essential for connecting the RTX1000 or RTX2000 12V Air Conditioner to your battery power source. This wiring kit is required by Dometic for installation of either the RTX 1000 or RTX 2000 12-volt rooftop air conditioners to maintain valid warranty coverage.

Key Features:

  • 26-foot (8 meter) wiring harness with 4 AWG red/black power wires featuring an Anderson-style connector that matches the connection on the AC unit
  • Bare wire ends with supplied ring terminals for connecting the red (positive) wire through an 80-amp fuse to the battery
  • Voltage sensing wires with small white connector that monitors battery voltage to protect against over-discharge
  • Adjustable low voltage shutdown setting from 10 volts to 12.5 volts in 0.1 volt increments
  • Includes bag of electrical terminals and fuses for battery-side termination
  • Rubber gasket (taller version) for sealing the AC baseplate to the roof

This wire harness is designed for Dometic CoolAir RTX1000 and RTX2000 Truck Air Conditioners, connecting directly from the air conditioner to the battery. The kit simplifies the installation process and ensures reliable, safe operation of your 12V rooftop air conditioning system.

Very good

very easy to order. super fast shipping

So far so good

Easy site to navigate, easy to checkout

Great job

Good service

Quick easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy