{"product_id":"aldervic-12v-rv-water-pump-4-0-gpm-45-psi-self-priming-diaphragm-adjustable-pressure-switch","title":"ALDERVIC 12V RV Water Pump 4.0 GPM 45 PSI — Self-Priming Diaphragm, Adjustable Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eALDERVIC 12V RV Water Pump is a self-priming, on-demand diaphragm pump delivering up to 4.0 GPM at 45 PSI for reliable fresh-water supply in campers, trailers, and boats.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact 12V pump pairs a three-chamber diaphragm design with an adjustable pressure switch, making it a practical choice for mobile water systems where steady flow, quiet operation, and easy installation matter. It includes a removable strainer and mounting hardware, thermal overload protection, and NPT threaded fittings so you can set it up in RVs, travel trailers, motorhomes, and small boats.\u003c\/p\u003e\n\n\u003ch3\u003eHow much water pressure and flow can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe ALDERVIC pump supplies up to 4.0 gallons per minute with a working pressure of 45 PSI and an adjustable pressure range that tailors performance to your needs. It provides strong suction and head capabilities for practical onboard water delivery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximum flow: 4.0 GPM\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: 45 PSI (adjustable 30–80 PSI)\u003c\/li\u003e\n  \u003cli\u003eSuction lift: up to 9.8 ft (3 m)\u003c\/li\u003e\n  \u003cli\u003eMaximum head: 98.4 ft (30 m)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it run quietly and last through frequent use?\u003c\/h3\u003e\n\u003cp\u003eThe three-chamber diaphragm and vibration-reducing design minimize pulsation and noise, giving smoother water delivery than many single-chamber pumps. Built-in thermal overload protection and a durable diaphragm extend service life under typical RV and marine conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuiet operation with reduced vibration\u003c\/li\u003e\n  \u003cli\u003eThermal overload protection to guard the motor\u003c\/li\u003e\n  \u003cli\u003eRated for water temperatures up to 140°F (60°C)\u003c\/li\u003e\n  \u003cli\u003eRobust diaphragm construction for longer reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and operation on a camper or boat?\u003c\/h3\u003e\n\u003cp\u003eThis pump is designed for straightforward mounting and plumbing into existing 12V systems. It starts automatically when you open a tap and stops when demand ends, and the included strainer helps protect the pump from debris.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12V DC operation suitable for most RV and marine electrical systems\u003c\/li\u003e\n  \u003cli\u003eNPT threaded connections for standard plumbing fittings\u003c\/li\u003e\n  \u003cli\u003eSelf-priming and on-demand switching — no manual priming required\u003c\/li\u003e\n  \u003cli\u003eComes with strainer and mounting accessories for easier setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can I adjust pressure for showers, faucets, or appliances?\u003c\/h3\u003e\n\u003cp\u003eThe integrated adjustable pressure switch allows you to tune activation and cutoff points to match specific fixtures or water-using appliances. Adjust within its 30–80 PSI range to balance flow and pump cycle frequency based on your system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable pressure range: 30–80 PSI\u003c\/li\u003e\n  \u003cli\u003eFine-tune for gentle faucet flow or higher shower pressure\u003c\/li\u003e\n  \u003cli\u003eHelps reduce short cycling when paired with appropriate accumulator tanks\u003c\/li\u003e\n  \u003cli\u003eSimple mechanical adjustment without complex tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this pump is for: The ALDERVIC 12V RV Water Pump suits RV owners, van lifers, and small-boat operators who need a dependable, compact water pump that balances quiet performance with strong flow. It’s a good fit for retrofits, replacements, or new builds where 12V compatibility, self-priming capability, and adjustable pressure are priorities. Choose this model if you want straightforward installation, a built-in strainer, and thermal protection for regular use in mobile freshwater systems.\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 pump need priming before use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the pump is self-priming and will automatically draw water when switched on or when a faucet opens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I adjust pressure for different fixtures?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the integrated pressure switch is adjustable across a 30–80 PSI range to suit showers, faucets, or appliances.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ALDERVIC","offers":[{"title":"Default Title","offer_id":55168623903063,"sku":"B0H4XWNMZX","price":78.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/aldervic-front-view-pump.jpg?v=1790410154","url":"https:\/\/britishgarage.co.uk\/products\/aldervic-12v-rv-water-pump-4-0-gpm-45-psi-self-priming-diaphragm-adjustable-pressure-switch","provider":"British Garage","version":"1.0","type":"link"}