{"product_id":"jabsco-par-max-hd4-fresh-water-pump-q401j-115s-3a-12v-4-gpm-40-psi-self-priming-diaphragm-pump","title":"Jabsco Par-Max HD4 Fresh Water Pump, Q401J-115S-3A, 12V 4 GPM 40 PSI Self-Priming Diaphragm Pump","description":"\u003cp\u003eThe Jabsco Par-Max HD4 Fresh Water Pump (Q401J-115S-3A) is a 12V diaphragm pump built to deliver on-demand freshwater supply for boats and RVs, moving 4 GPM (15 LPM) at up to 40 PSI. It uses a pressure-controlled diaphragm so the system behaves like a home water supply, cycling on automatically when a tap is opened and shutting off when pressure is satisfied, thanks to an integrated, sealed pressure switch.\u003c\/p\u003e\u003cp\u003eThis HD4 model steps up from Jabsco's standard Par-Max line with a heavy duty motor set in a cast aluminum housing for a longer working life under sustained high pressure, along with an integrated bypass module that reduces cycling and smooths out flow. Dampening feet under the pump reduce vibration for quiet running, and the pump is self-priming and can run dry without damage, which simplifies installation and protects the system if the supply line runs empty.\u003c\/p\u003e\u003cp\u003eInstallation and servicing are built around quick-connect fittings: the pump comes equipped with an inline 40 mesh quick-connect strainer to protect the diaphragm from debris, plus two 1\/2 inch quick-connect straight hosebarb fittings for fast, tool-light hookup to existing freshwater plumbing. The housing is a black plastic construction paired with the cast aluminum motor housing, sized at 9.41 inches long by 3.9 inches wide by 4.23 inches high, and weighing 7.8 pounds.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Jabsco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e Q401J-115S-3A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Style:\u003c\/strong\u003e Diaphragm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Flow:\u003c\/strong\u003e 4 GPM (15 LPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure:\u003c\/strong\u003e 40 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrainer:\u003c\/strong\u003e Inline 40 Mesh Quick-Connect Strainer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHosebarb Fittings:\u003c\/strong\u003e 2 x 1\/2 inch Quick-Connect Straight Hosebarbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic housing with cast aluminum motor housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 9.41 inches L x 3.9 inches W x 4.23 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 7.8 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 671880841863\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat flow rate and pressure does the Jabsco Q401J-115S-3A pump deliver?\u003c\/strong\u003e The Jabsco Par-Max HD4 Q401J-115S-3A delivers 4 GPM (15 LPM) of open flow at up to 40 PSI, running on a 12 volt DC supply.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this pump self-priming?\u003c\/strong\u003e Yes, the Q401J-115S-3A is self-priming, which simplifies installation since the line does not need to be manually primed before startup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the pump run dry without being damaged?\u003c\/strong\u003e Yes, the Jabsco Par-Max HD4 Q401J-115S-3A can run dry without damage to the unit, protecting the system if the freshwater tank runs empty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this pump cycle on automatically when a faucet is opened?\u003c\/strong\u003e On-demand operation is handled by an integrated, sealed pressure switch built into the Q401J-115S-3A, so the pump starts automatically when pressure drops and shuts off once it is satisfied.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat fittings are included with this pump?\u003c\/strong\u003e The Q401J-115S-3A comes equipped with an inline 40 mesh quick-connect strainer and two 1\/2 inch quick-connect straight hosebarb fittings for connecting to existing plumbing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions and weight of the Jabsco HD4 Par-Max pump?\u003c\/strong\u003e The pump measures 9.41 inches long by 3.9 inches wide by 4.23 inches high and weighs 7.8 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the housing made of?\u003c\/strong\u003e The Q401J-115S-3A has a black plastic housing paired with a cast aluminum motor housing for durability under sustained pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the HD4 differ from Jabsco's standard Par-Max pumps?\u003c\/strong\u003e The HD4 designation on the Q401J-115S-3A means a heavier duty motor in a cast aluminum housing plus an integrated bypass module that reduces cycling and smooths flow, compared to Jabsco's standard-duty Par-Max models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the pump noisy when running?\u003c\/strong\u003e No, the Q401J-115S-3A uses dampening feet under the pump body to reduce vibration and keep operation quiet.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat warranty comes with this pump?\u003c\/strong\u003e The Jabsco Q401J-115S-3A is backed by a 1-year manufacturer warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the inline strainer protect against?\u003c\/strong\u003e The included 40 mesh quick-connect strainer on the Q401J-115S-3A filters debris out of the water supply before it reaches the diaphragm, protecting the pump from clogging or damage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a 12V or 24V pump?\u003c\/strong\u003e The Q401J-115S-3A is a 12 volt DC pump.\u003c\/p\u003e","brand":"Jabsco","offers":[{"title":"Default Title","offer_id":49028223729883,"sku":"ITT-Q401J-115S-3A","price":215.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/Jabsco_ParMax_HD4_40PSI_Freshwater_Pump__03335.1722502644.500.750.jpg?v=1785164592","url":"https:\/\/www.goodvibesmarina.com\/products\/jabsco-par-max-hd4-fresh-water-pump-q401j-115s-3a-12v-4-gpm-40-psi-self-priming-diaphragm-pump","provider":"Good Vibes Marina","version":"1.0","type":"link"}