{"product_id":"dometic-control-unit","title":"Dometic AC Control Board Thermostat - Fits 3300\/3500 Series Air Conditioners - Part# 4450037173","description":"\u003cdiv class=\"erp-pdp\"\u003e\n\n\u003cp\u003eThe Dometic 4450037173 AC Control Board Thermostat is the electronic brain of your Dometic 3300 and 3500 series rooftop air conditioners. This genuine OEM replacement control board manages temperature sensing, compressor cycling, fan speed control, and overall system operation. If your AC won't turn on, runs continuously without cycling, or displays erratic temperature control, this control board is likely the solution. Designed specifically for Dometic 3300 and 3500 series units, this thermostat control board restores factory performance and reliability.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Dometic OEM Part:\u003c\/strong\u003e Factory-engineered control board ensures perfect fit and reliable operation in 3300\/3500 series air conditioners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Temperature Control:\u003c\/strong\u003e Manages thermostat functions, temperature sensing, and automatic cycling for optimal comfort\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor \u0026amp; Fan Management:\u003c\/strong\u003e Controls compressor operation and fan speed settings for efficient cooling performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Plug-and-play installation replaces failed or malfunctioning original control boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic LED Indicators:\u003c\/strong\u003e Built-in status lights help troubleshoot system operation and identify issues\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand RV vibration, temperature extremes, and continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4450037173\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDometic 3300 Series, 3500 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic Control Board \/ Thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature Control, Compressor Management, Fan Speed Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement, Plug-In Connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3300 Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDometic Brisk Air 3300 Series Rooftop Air Conditioners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3500 Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDometic Brisk Air 3500 Series Rooftop Air Conditioners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow do I know if my control board has failed?\u003c\/h3\u003e\n\u003cp\u003eCommon symptoms of a failed control board include: AC unit won't turn on at all, compressor runs continuously without cycling off, fan operates but compressor doesn't engage, erratic temperature control or failure to reach set temperature, or no response from thermostat controls. If you've verified power supply and checked other components, the control board is often the culprit.\u003c\/p\u003e\n\n\u003ch3\u003eIs this control board difficult to replace?\u003c\/h3\u003e\n\u003cp\u003eMost RV owners with basic electrical knowledge can replace this control board. The process involves disconnecting power, removing the AC interior cover, unplugging wire harnesses from the old board, mounting the new board, and reconnecting the harnesses. Always disconnect shore power and turn off the breaker before working on AC electrical components. Consult your air conditioner's service manual for specific instructions.\u003c\/p\u003e\n\n\u003ch3\u003eWill this work with my older Dometic AC unit?\u003c\/h3\u003e\n\u003cp\u003eThis control board is specifically engineered for Dometic 3300 and 3500 series air conditioners. To verify compatibility, check your AC unit's model number (usually found on the data plate inside the ceiling assembly or on the rooftop unit). If you have a different series (such as 2200, 5000, or Penguin series), you'll need a different control board specific to that model.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this include the wall thermostat or just the control board?\u003c\/h3\u003e\n\u003cp\u003eThis is the main electronic control board that mounts inside the AC ceiling assembly, not the wall-mounted thermostat. The control board receives signals from your thermostat and controls the actual AC components. If your wall thermostat is also malfunctioning, that would be a separate part. This board handles the core system management and compressor\/fan control functions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Elkhart RV Parts?\u003c\/h2\u003e\n\u003cp\u003eAt Elkhart RV Parts, we specialize in hard-to-find Dometic replacement parts that keep your RV systems running smoothly. Located in Elkhart, Indiana — the RV Capital of the World — we understand the importance of getting the right part quickly. We stock genuine OEM Dometic components and ship fast so you can get back on the road. Our team knows Dometic systems inside and out and can help you identify exactly what you need. When you need a critical AC control board, trust the Dometic parts experts at Elkhart RV Parts.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48364896714904,"sku":"4450037173","price":108.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/elkhartrvparts.com\/en-ca\/products\/dometic-control-unit","provider":"Elkhart RV Parts","version":"1.0","type":"link"}