{"product_id":"ef5500-box-12v-sprayer-pump-5-5gpm-60-psi-self-priming-diaphragm","title":"EF5500-BOX 12V Sprayer Pump 5.5GPM 60 PSI - Self-Priming Diaphragm","description":"\u003cp\u003eIn this review of the EF5500-BOX 12V sprayer pump, the bottom line is simple: this is a purpose-built diaphragm pump for users who need reliable, chemical-resistant water delivery for soft wash, agricultural spraying, RVs and boats. The reviewer found its main strength is a combination of solid flow and built-in automation - the 5.5 GPM output and an adjustable pressure switch that stops and starts automatically at about 60 PSI make routine spraying and water delivery much less fiddly. It is best for people who need a compact 12V solution with self-priming ability and corrosion resistance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Designed for agricultural spraying, irrigation, soft wash systems and use on RVs and boats, so one pump fits many jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong flow rate:\u003c\/strong\u003e Delivers up to 5.5 GPM of water flow to cover larger spray zones or faster rinse cycles compared with smaller pump models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable pressure switch:\u003c\/strong\u003e Built-in automatic stop and start near 60 PSI provides steady flow and reduces manual control during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-priming:\u003c\/strong\u003e Can self-prime up to 8 ft, simplifying installation when the pump sits above the water source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical and corrosion resistance:\u003c\/strong\u003e Uses durable diaphragms and materials suited for bleach or mild chemicals used in soft wash and agricultural applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety features:\u003c\/strong\u003e All-copper motor with thermal overload protection and short-term idling tolerance helps protect the unit from burnout.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis pump is a good match for contractors or homeowners running soft wash systems, small-scale agricultural sprayers, or people fitting a pump to an RV or boat where 12V power is available and chemical resistance is needed. Its 5.5 GPM and 60 PSI setup handles medium-duty tasks where steady pressure and automatic cycling save time.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who need very high-pressure systems for heavy-duty commercial sprayers or anyone requiring specifications not listed here such as exact port sizes or a long-term commercial service warranty. For pure freshwater transfer without chemical exposure, simpler pumps may be less costly.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid 5.5 GPM flow rate that speeds up rinse and spray jobs.\u003c\/li\u003e\n\u003cli\u003eAutomatic stop\/start with an adjustable pressure switch for convenient, hands-off operation.\u003c\/li\u003e\n\u003cli\u003eChemical-resistant diaphragm construction suitable for bleach and common cleaning agents.\u003c\/li\u003e\n\u003cli\u003eSelf-priming to 8 ft and includes a 6 ft 20A power cord for easy setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot intended for high-pressure industrial spraying beyond the built-in 60 PSI switch setting.\u003c\/li\u003e\n\u003cli\u003eLimited specification detail in the listing means installers may need to confirm plumbing fittings before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e12V diaphragm sprayer pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow rate\u003c\/td\u003e\n\u003ctd\u003e5.5 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure switch setting\u003c\/td\u003e\n\u003ctd\u003e60 PSI (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-priming\u003c\/td\u003e\n\u003ctd\u003eUp to 8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower cord\u003c\/td\u003e\n\u003ctd\u003e6 ft 20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor material\u003c\/td\u003e\n\u003ctd\u003eAll-copper motor with thermal overload protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical resistance\u003c\/td\u003e\n\u003ctd\u003eChemical and corrosion resistant diaphragms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe EF5500-BOX 12V sprayer pump is a practical, well-configured choice for soft wash operators, small agricultural sprayers and RV or boat owners who need a 12V, self-priming pump with automatic pressure control. Its combination of 5.5 GPM flow, chemical-resistant internals and thermal protection makes it a good value for medium-duty use, provided you do not need higher industrial pressures or extensive plumbing detail.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this pump run on a standard 12V battery?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed as a 12V pump and can be operated from an appropriate 12V battery or power source capable of the required current.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the pressure adjustable below 60 PSI?\u003c\/strong\u003e\u003cbr\u003eThe built-in pressure switch is set around 60 PSI but is adjustable to tune the stop\/start behavior within its design range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it handle bleach and common cleaning chemicals?\u003c\/strong\u003e\u003cbr\u003eYes, the pump uses chemical-resistant diaphragms and materials intended for bleach and similar cleaning agents used in soft wash systems.\u003c\/p\u003e","brand":"DEEKOOL","offers":[{"title":"Default Title","offer_id":48728237048027,"sku":"B0D41TR8DW","price":103.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71YNX9zDnbL._AC_SL1500.jpg?v=1778878955","url":"https:\/\/gearmusthave.com\/products\/ef5500-box-12v-sprayer-pump-5-5gpm-60-psi-self-priming-diaphragm","provider":"GearMustHave","version":"1.0","type":"link"}