The differences between each model of the Wall Mount Garage Door/Residential Jackshaft Opener will vary. See below for more details and please refer to your manual when ordering or looking for replacement parts.
With the exception of the travel module (absolute encoder), all other replacement parts are the same. Accessories may vary depending on the package purchased from your dealer.
The 3800 uses a different absolute encoder or travel module, part number #041A6118.
The 3800P uses an improved absolute encoder or travel module, part #041A6408.
The 3800PLD also uses an absolute encoder or travel module, part #041A6408. The logic board was improved to allow 10 cycles per hour. The LD in PLD stands for Light Duty.
Model 8500 moved the programming of the accessories to the door control which allowed a user to connect the unit to the internet by way of accessory model 828LM Internet Gateway.
New retail models RJO20 and RJO20C also have the programming of accessories done from the door control and users can connect the unit to the internet by way of accessory model 828LM Internet Gateway.
Model 8500W introduces built in Wi-Fi. Once connected to your home network, this will allow you to use the MyQ app without additional equipment.
Accessory programming can be done from motor unit
Cable Tension Monitor is not required and can be added as an accessory
Needs the garage door profile to be set up when installed
The logic board is backward compatible with the 8500W/RJO70

When you browse the web, websites like ours sometimes store bits of information on your browser—often in the form of cookies. These cookies, including third-party cookies, collect details about your device and how you interact with our site and can help tailor your experience to your preferences, device, and interests.
Here, you can easily tweak your cookie preferences. Simply click on the categories to learn more about how each type of cookie works and adjust them as you see fit! Heads up: turning off some cookie types might change how certain features on our site work. When you're done, hit "Confirm My Choices." Your preferences are linked to this specific device, browser, and website. If you clear your cookies, you’ll need to reset your selections. For more information on your privacy rights, please review our Privacy Notice. To exercise any additional rights, click here.Strictly necessary cookies are vital for our website’s core functions, such as security, network management, and accessibility. Since they are essential, these cookies cannot be disabled in our systems.
Want a smoother experience? These cookies remember details like your preferred language or region to enhance your experience. While they’re not essential for the site to function, they help personalize your visit. You can opt-out of these cookies, but your experience may be less customized.
These cookies, along with select third-party partners, help us understand how visitors use our site, such as which pages are popular and how long they stay. You can opt-out of these cookies, but your experience may be less customized.
These cookies may be set on our site by us and our advertising partners. We and those companies may use them to build a profile of your interests and show you relevant ads, including on other sites. If you reject these cookies, not all advertising will stop, but you will likely experience less targeted advertising.