{"product_id":"tuziguaiguai-replacement-pcb-for-maxxair-maxxfan-deluxe-rv-vents-fits-7000k-8900k-restores-fan-motor-control","title":"TUZIGUAIGUAI Replacement PCB for MaxxAir\/Maxxfan Deluxe RV Vents — Fits 7000K–8900K, Restores Fan \u0026 Motor Control","description":"\u003cp\u003e\u003cstrong\u003eThis TUZIGUAIGUAI replacement printed circuit board restores electronics for Maxxfan MaxxAir Deluxe RV roof vents compatible with a long list of MaxxAir\/Maxxfan models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your RV vent stopped responding, stalls, or behaves unpredictably, swapping the PCB often brings the vent back to reliable operation without replacing the whole unit. This replacement board is designed to match the original electrical connectors, mounting points, and control functions used across many Maxxfan\/MaxxAir Deluxe series roof vent models.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Maxxfan\/MaxxAir models will this board fit?\u003c\/h3\u003e\n\u003cp\u003eThis circuit board is cross-referenced to numerous factory part numbers and model codes used in MaxxAir Deluxe vents. It covers both older and recent revisions so you can match it to the listed model codes on your vent or in the vent manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits model groups: 7000K through 8900K series and 4500\/4800 series variants.\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM part numbers like 10-21275K, 10-21275K-V3.8, V3.9 and related KE variants.\u003c\/li\u003e\n  \u003cli\u003eWorks with SKU ranges beginning 00-07xxx, 00-08xxx, 00-04xxx for Deluxe vents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know this PCB will plug into my existing vent?\u003c\/h3\u003e\n\u003cp\u003eBefore buying, inspect the connector layout, screw hole positions, and label information inside your vent. This TUZIGUAIGUAI board was made to match the original form factor and terminal arrangement used in many MaxxAir Deluxe boards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare connector types and pin counts visually to your old board.\u003c\/li\u003e\n  \u003cli\u003eCheck that mounting hole spacing aligns with your vent chassis.\u003c\/li\u003e\n  \u003cli\u003eConfirm the model code on your vent matches one of the listed compatible numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat functions does the replacement board restore?\u003c\/h3\u003e\n\u003cp\u003eThe board provides the control logic for fan speeds, vent motor operation, and accessory circuits used by the Deluxe series. Replacing it restores the electronic control layer while leaving mechanical parts intact.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores multi-speed fan controls and motor actuation signals.\u003c\/li\u003e\n  \u003cli\u003eSends proper signals to limit switches and position sensors.\u003c\/li\u003e\n  \u003cli\u003eSupports the same external controls and remote interfaces as the original board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic RV electrical work and removing the vent cover. Turn off power, document wiring orientation, swap the board, and reassemble; no soldering required if connectors match exactly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon tools: screwdriver set, socket or nut driver, and flashlight.\u003c\/li\u003e\n  \u003cli\u003eTurn off RV 12V supply before starting to avoid shorts or damage.\u003c\/li\u003e\n  \u003cli\u003ePhotograph wiring and connector positions to ensure correct reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This replacement PCB is intended for RV owners, repair technicians, and DIYers who want to fix a malfunctioning Maxxfan\/MaxxAir Deluxe roof vent without replacing the entire vent assembly. It’s ideal when the mechanics (fan blades, motor, lid) are sound but the control electronics have failed, offering a cost-effective route to restore full vent functionality.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this PCB work with my 00-07500K Maxxfan?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this TUZIGUAIGUAI PCB lists compatibility with 00-07500K and many related 00-07xxx and 00-08xxx models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to solder anything to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—installation typically uses the existing plug-in connectors and mounting screws; soldering is usually not required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TUZIGUAIGUAI","offers":[{"title":"Default Title","offer_id":48083931005086,"sku":"B0F1DB8RHP","price":88.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tuziguaiguai-front-board-overview.jpg?v=1785840490","url":"https:\/\/northtrailauto.ca\/products\/tuziguaiguai-replacement-pcb-for-maxxair-maxxfan-deluxe-rv-vents-fits-7000k-8900k-restores-fan-motor-control","provider":"North Trail Auto","version":"1.0","type":"link"}