{"product_id":"qhhr-rv-wall-thermostat-with-integrated-relay-box-for-dometic-ac-3316230-000-direct-replacement-lcd-heat-cool-control","title":"QHHR RV Wall Thermostat with Integrated Relay Box for Dometic AC — 3316230.000 Direct Replacement, LCD Heat\/Cool Control","description":"\u003cstrong\u003eQHHR 3316230.000 is a direct-replacement RV wall thermostat with relay box designed to control Dometic-style roof air conditioners and maintain comfortable cabin temperatures.\u003c\/strong\u003e\n\n\u003cp\u003eIf you need a reliable control interface for your RV, camper, or travel trailer air conditioning, this QHHR replacement combines a clear LCD thermostat with an integrated relay box to manage heat\/cool cycles. It swaps in for part numbers 3316230.000 and 3316230.700, restoring responsive temperature control and avoiding the expense of a full HVAC overhaul. The unit is built for mobile environments and includes a one-year warranty for added peace of mind.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this thermostat replace my existing Dometic controller?\u003c\/h3\u003e\n\u003cp\u003eThe QHHR 3316230.000 is engineered to match the electrical connections and mounting pattern used by many Dometic roof AC systems, so installation is straightforward for technicians or confident DIYers. It provides the same relay control functions that activate compressor and fan circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for part numbers 3316230.000 and 3316230.700\u003c\/li\u003e\n  \u003cli\u003eCompatible wiring terminals for common Dometic systems\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play mounting pattern reduces modification time\u003c\/li\u003e\n  \u003cli\u003eIntegrated relay box replaces separate components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features make the display and controls easy to use in an RV?\u003c\/h3\u003e\n\u003cp\u003eThe thermostat has a bright LCD that stays legible in low light, letting you check and adjust settings without fumbling. Controls are straightforward and responsive to help you set target temperatures and change modes quickly while on the road.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge, easy-to-read LCD screen\u003c\/li\u003e\n  \u003cli\u003eSimple temperature and mode buttons for quick adjustments\u003c\/li\u003e\n  \u003cli\u003eVisible feedback for fan\/compressor status\u003c\/li\u003e\n  \u003cli\u003eLayout designed for small-panel wall mounting in RV interiors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this improve temperature control and efficiency in my camper?\u003c\/h3\u003e\n\u003cp\u003eBy replacing a worn or malfunctioning thermostat and relay assembly, the QHHR unit restores precise cycling of the compressor and fan, which helps maintain a consistent cabin temperature. Proper relay operation also prevents excessive cycling that can reduce efficiency and component life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAccurate setpoint control helps maintain steady temperatures\u003c\/li\u003e\n  \u003cli\u003eRelay management prevents short-cycling of the compressor\u003c\/li\u003e\n  \u003cli\u003eSmoother fan control improves comfort without extra energy use\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty supports reliability expectations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know before installing this replacement part?\u003c\/h3\u003e\n\u003cp\u003eConfirm the part numbers and electrical compatibility before ordering to ensure a hassle-free swap. If you’re not experienced with RV electrical systems, have a qualified technician perform the installation to maintain safety and proper operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify matching part number: 3316230.000 or 3316230.700\u003c\/li\u003e\n  \u003cli\u003eTurn off power to the AC unit before servicing\u003c\/li\u003e\n  \u003cli\u003eFollow wiring diagram and mounting orientation exactly\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended for non-technical users\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Owners of RVs, travel trailers, and campers who have Dometic-style roof air conditioners and need a direct, dependable replacement for a failed or outdated wall thermostat and relay box. It’s especially useful for RV owners wanting an easy-to-read control interface, reliable relay switching, and a replacement that fits existing cutouts and wiring. Technicians and experienced DIYers will appreciate the matched connections and the one-year warranty backing the product.\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: Does this replace part number 3316230.700?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The QHHR 3316230.000 is a direct replacement for part numbers 3316230.000 and 3316230.700.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is professional installation required?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not strictly, but professional installation is recommended if you’re unfamiliar with RV electrical systems to ensure safety and correct wiring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QHHR","offers":[{"title":"Default Title","offer_id":48083997196446,"sku":"B0CZRG5SDX","price":94.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/qhhr-3316230-front-panel.jpg?v=1785842700","url":"https:\/\/northtrailauto.ca\/products\/qhhr-rv-wall-thermostat-with-integrated-relay-box-for-dometic-ac-3316230-000-direct-replacement-lcd-heat-cool-control","provider":"North Trail Auto","version":"1.0","type":"link"}