{"product_id":"viair-450p-rv-12v-automatic-air-compressor-for-rvs-trucks-150-psi-1-80-cfm-auto-shutoff","title":"VIAIR 450P-RV 12V Automatic Air Compressor for RVs \u0026 Trucks — 150 PSI, 1.80 CFM, Auto Shutoff","description":"\u003cb\u003eThe VIAIR 450P-RV is a 12V automatic portable air compressor that delivers up to 150 PSI and is built to inflate large RV and truck tires quickly and reliably.\u003c\/b\u003e\n\n\u003cp\u003eWhether you're heading out in a Class A motorhome, hauling a trailer, or driving a heavy-duty truck, having a compact, automatic inflator that handles big tires gives confidence on the road. The VIAIR 450P-RV combines a 150 PSI maximum, a 1.80 CFM free-flow rate and an automatic pressure cut-off for hands-free cycling, all packaged with a gas-station style inflation gun and a heavy-duty carry bag for easy storage.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the automatic pressure operation simplify inflating large tires?\u003c\/h3\u003e\n\u003cp\u003eThe 450P-RV uses an integrated pressure sensor that stops and restarts the unit as needed while the inflation gun remains engaged. That means you can check pressure and move from tire to tire without manually flipping the compressor on and off—reducing fuss and speeding up multi-tire jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated pressure cut-off cycles compressor automatically.\u003c\/li\u003e\n  \u003cli\u003eClose-ended gas-station style inflation gun lets you check pressure mid-fill.\u003c\/li\u003e\n  \u003cli\u003eMaintains set pressure without constant supervision.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this compressor handle RV and truck tires, and how fast is it?\u003c\/h3\u003e\n\u003cp\u003eThe unit is engineered for large tires up to about 42 inches, making it suitable for Class A motorhomes, trailers, trucks, SUVs and Jeeps. With a 1.80 CFM free-flow capacity and a maximum working pressure of 150 PSI, it offers steady inflation power for heavy-duty tires while the vehicle engine runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 150 PSI maximum working pressure for high-pressure tires.\u003c\/li\u003e\n  \u003cli\u003e1.80 CFM free-flow rate for continuous inflation performance.\u003c\/li\u003e\n  \u003cli\u003e100% duty cycle at 100 PSI and up to one hour of operation intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat power and connection requirements should I know before use?\u003c\/h3\u003e\n\u003cp\u003eThe 450P-RV runs from a 12-volt vehicle battery and must be connected directly to the battery with the engine running for optimal performance. This ensures stable voltage to support extended inflation cycles and prevents battery drain during long fills.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOperates on 12V vehicle electrical system—connect directly to battery posts.\u003c\/li\u003e\n  \u003cli\u003eEngine should be running during use for consistent voltage and performance.\u003c\/li\u003e\n  \u003cli\u003eDesigned for up to one hour continuous operation before a rest period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat accessories are included and how does the kit support portability?\u003c\/h3\u003e\n\u003cp\u003eThe compressor ships with a close-ended gas station style inflation gun and a deluxe heavy-duty carry bag to keep components organized and protected. The compact kit fits in RV compartments, truck beds or garage shelves so it’s always accessible for travel, roadside emergencies or routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGas-station style inflation gun for controlled filling and pressure checks.\u003c\/li\u003e\n  \u003cli\u003eDeluxe carry bag for storage and easy transport.\u003c\/li\u003e\n  \u003cli\u003eAll fittings and hoses store neatly for quick access on the road.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The VIAIR 450P-RV is aimed at RV owners, truck drivers, overlanders and anyone who needs reliable, portable inflation for large tires. If you regularly service Class A motorhomes, trailers or heavy vehicles and want an automatic, high-pressure inflator that’s travel-ready and built for extended duty, this kit is designed to make roadside and campsite tire care faster and less stressful.\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: What PSI can the VIAIR 450P-RV reach?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The compressor reaches up to 150 PSI maximum working pressure, suitable for high-pressure RV and truck tires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to run my vehicle while using it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Run the engine and connect directly to the battery to ensure stable voltage and uninterrupted performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIAIR","offers":[{"title":"Default Title","offer_id":67584891289785,"sku":"B0141KJTKQ","price":784.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/viair-450p-rv-front-view.jpg?v=1790457870","url":"https:\/\/redleafauto.ca\/products\/viair-450p-rv-12v-automatic-air-compressor-for-rvs-trucks-150-psi-1-80-cfm-auto-shutoff","provider":"Redleaf Auto","version":"1.0","type":"link"}