{"title":"Marine Plumbing","description":"","products":[{"product_id":"qbp921113","title":"Attwood Marine Shower Sump System, Multi-Port, 750 GPH, 12V, Packard Connector","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Attwood Marine 4143PF1 is a 12V shower sump system with a multi-port box and Packard connector for moving gray water from a shower pan or sink drain to a 3\/4 inch discharge line. It is the 750 GPH version in Attwood's larger sump box format, which makes it a practical fit when one box needs to manage more than a single drain.\u003c\/p\u003e\u003cp\u003eThe box measures 13 inches long, 7-3\/8 inches wide, and 4-7\/16 inches high. It accepts 3\/4 inch, 1 inch, 1-1\/8 inch, and 1-1\/2 inch inlet hose sizes, and the outlet is sized for 3\/4 inch I.D. hose. That helps when a boat uses different drain hose sizes between a shower stall, head sink, and galley sink.\u003c\/p\u003e\u003cp\u003eThe top lifts off for filter access, the lid gasket helps keep the box sealed at the top, and the built-in air vent helps reduce the air-lock problems that can interrupt sump discharge underway or at the dock.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e12V shower sump system with Packard connector\u003c\/li\u003e\n\u003cli\u003e750 GPH multi-port sump in the larger box size\u003c\/li\u003e\n\u003cli\u003e3\/4 inch I.D. outlet connection\u003c\/li\u003e\n\u003cli\u003eInlet options for 3\/4 inch, 1 inch, 1-1\/8 inch, and 1-1\/2 inch hose\u003c\/li\u003e\n\u003cli\u003eMulti-port layout for tying in more than one drain\u003c\/li\u003e\n\u003cli\u003eAir vent built into the box to help prevent air lock\u003c\/li\u003e\n\u003cli\u003eSnap-off lid with removable filter access for routine cleaning\u003c\/li\u003e\n\u003cli\u003eBox size of 13 inches x 7-3\/8 inches x 4-7\/16 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and fit\u003c\/h6\u003e\u003cp\u003eThis sump needs to sit lower than the shower drain and any other drain lines feeding it. For steady pump-out, the outlet hose should rise continuously from the box to the thru-hull without low spots, and the inlet hoses should rise smoothly from the sump toward their drains. Those routing details matter on boats where hose runs have to pass around stringers, tankage, or liners.\u003c\/p\u003e\u003cp\u003eThe larger box footprint is worth checking before replacement on compact bilge or utility spaces. Leave enough side access to release the lid tabs and enough clearance above the box to remove the cover and clean the filter without having to pull the whole unit back out.\u003c\/p\u003e\u003ch6\u003eElectrical and system fit\u003c\/h6\u003e\u003cp\u003eThis version is for 12V DC systems only. The Packard connector is one of the main fit points to confirm before ordering, especially when replacing an existing shower sump on a production boat where the factory harness is already terminated for that plug style.\u003c\/p\u003e\u003ch6\u003eUse on board\u003c\/h6\u003e\u003cp\u003eThis layout makes sense for cruisers, express boats, and small yachts where one serviceable sump box is used to collect shower water and secondary sink drains in the same part of the hull. It is also a sensible match when easy filter access matters because the box will need periodic cleaning from hair, soap residue, and everyday gray-water debris.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003e4143PF1\u003c\/span\u003e","brand":"Attwood Marine","offers":[{"title":"Default Title","offer_id":53721529614517,"sku":"QBP921113","price":153.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1322197_qbp921113.webp?v=1794116687"},{"product_id":"qbp398552","title":"Attwood Marine Sahara S500 Automatic Bilge Pump, 12V, 500 GPH, 3\/4 in Outlet","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Attwood Marine 4505-7 is an automatic 12V Sahara S500 bilge pump rated at 500 GPH at open flow and 350 GPH at 3.3 feet of head, with a 3\/4 inch discharge outlet. It combines the pump and automatic switch in one body, which keeps installation simpler in tight bilge spaces and avoids the extra footprint of a separate float switch.\u003c\/p\u003e\u003cp\u003eThis is a practical fit for boats that need unattended bilge water removal while sitting at the dock, on a mooring, or between trips. It is meant to clear standing bilge water, not fuel, oil, or fast flooding from hull damage or heavy weather.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eAutomatic pump with an integrated mercury-free switch, so the unit can cycle on when water rises without a separate float switch.\u003c\/li\u003e\n\u003cli\u003e12V output rated at 500 GPH at open flow and 350 GPH at 3.3 feet of head, which gives a clearer picture of installed performance.\u003c\/li\u003e\n\u003cli\u003eFits a 3\/4 inch I.D. discharge hose, which matters when matching an existing hose run or thru-hull size.\u003c\/li\u003e\n\u003cli\u003eUses 16-gauge tinned copper leads and calls for a 2 amp fuse, which helps when planning the wiring run and switch panel connection.\u003c\/li\u003e\n\u003cli\u003ePermanent-magnet motor, stainless steel shaft, steel-reinforced seal, and a strainer base that can be removed for cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eMount the pump in the lowest flat part of the bilge with the outlet pointing toward the transom and the discharge nozzle kept level. The hose should rise steadily to the thru-hull without dips, since trapped water or air in the line can cause airlock and cut pumping performance.\u003c\/p\u003e\u003cp\u003eThe pump body is sealed and submersible, but the wire connections should stay out of the water and be sealed properly. For a standard helm-controlled circuit, install it with an inline fuse and an AUTO\/OFF\/MANUAL switch.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis pump makes sense on 12V boats already set up for a 3\/4 inch bilge discharge hose, especially where space is limited and a combined pump-and-switch layout is easier to place. It also works well as a secondary automatic pump in a stepped bilge, fish box sump, or other low point where you want backup water removal without adding another float switch.\u003c\/p\u003e\u003ch6\u003eUse on board\u003c\/h6\u003e\u003cp\u003eIt suits owners who want a simple automatic bilge pump for runabouts, small center consoles, aluminum fishing boats, and sailboats with a modest bilge area. On larger boats, it is more often used as a secondary pump or for a smaller compartment rather than the main high-capacity bilge circuit.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003e4505-7\u003c\/span\u003e","brand":"Attwood Marine","offers":[{"title":"Default Title","offer_id":53721546064053,"sku":"QBP398552","price":94.82,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1322147_qbp398552.webp?v=1794117769"},{"product_id":"qbp199853","title":"Attwood Marine Replacement Transom Shower Hose, For 4131\/4133, 7 ft","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Attwood Marine 911420 is a replacement transom shower hose for Attwood shower systems. It is sold as the HOSE-7' service part and is used with Attwood shower setups including the 4131 and 4133 systems.\u003c\/p\u003e\u003cp\u003eThis is the part you replace when the original shower hose has become stiff, cracked, kinked, or starts leaking, but the rest of the shower assembly is still worth keeping in service. On a boat with a built-in cockpit or transom rinse station, that kind of repair is often the quickest way to get the shower working normally again without changing the whole box, sprayer, and controls.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eReplacement hose for Attwood transom and aft-deck shower systems\u003c\/li\u003e\n\u003cli\u003eListed as the HOSE-7' service part\u003c\/li\u003e\n\u003cli\u003eFits Attwood shower systems including 4131 and 4133\u003c\/li\u003e\n\u003cli\u003eMade for freshwater shower setups used at the transom or under the gunwale\u003c\/li\u003e\n\u003cli\u003eUseful when the original hose is worn but the shower box, sprayer, and controls remain serviceable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis hose is meant as a service replacement, not as a complete shower kit. It suits boats that already have an Attwood shower assembly installed and need the hose section replaced to restore normal pull-out reach and water delivery.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare your current hose routing and attachment points with the existing shower assembly on board. This is a good match for owners servicing an Attwood rinse station used after swimming, boarding, or cleaning off salt and sand at the stern.\u003c\/p\u003e\u003ch6\u003eInstallation and use\u003c\/h6\u003e\u003cp\u003eReplacement is most straightforward when the shower box and sprayer are already in place and only the hose needs attention. Route the new hose through the existing compartment with enough slack for smooth pull-out use, avoid tight bends that can pinch flow, and check the system under pressure before closing the access area back up.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003e911420\u003c\/span\u003e","brand":"Attwood Marine","offers":[{"title":"Default Title","offer_id":53721556582581,"sku":"QBP199853","price":33.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1322052_qbp199853.jpg?v=1794118111"},{"product_id":"qbp494890","title":"Whale BP2552B Gulper Toilet Pump - 12V BP2552B","description":"\u003cb\u003eBP2552B Gulper Toilet Pump - 12V\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eTrust Whale to bring you quality products every time.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFor holding tanks and vacuum systems\u003c\/li\u003e\n\u003cli\u003eVirtually unblockable and self-priming up to 9.8'\u003c\/li\u003e\n\u003cli\u003eCan be mounted in most convenient part of boat\u003c\/li\u003e\n\u003cli\u003eEasy to maintain and can run dry without damage\u003c\/li\u003e\n\u003cli\u003ePumps macerated waste\u003c\/li\u003e\n\u003cli\u003eFuse size 15-amp automotive output (open flow) 4-3\/4 gal per minute\u003c\/li\u003e\n\u003cli\u003eWire size of 16 AWG\u003c\/li\u003e\n\u003cli\u003eMax head and lift is 9.8'\u003c\/li\u003e\n\u003cli\u003eHose connections are 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003ePorts: 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003eVolts: 12\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/productimageserver.com\/prop65\/6pt.png\" alt=\"Warning\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003eBP2552B\u003c\/span\u003e","brand":"Whale Marine","offers":[{"title":"Default Title","offer_id":53721564545205,"sku":"QBP494890","price":435.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1105541_qbp494890jpg.jpg?v=1794118304"},{"product_id":"qbp356090","title":"Attwood Marine Sahara-Powered Shower Sump System, 500 GPH, 12V","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Attwood Marine 4141-1 is a 12V shower sump system with a 500 GPH automatic pump for moving gray water from a shower pan and other onboard drains. It uses a standard-size sump box, a 3\/4-inch I.D. outlet, and 36-inch wire leads, which makes it a practical fit for many small to mid-size boat plumbing layouts.\u003c\/p\u003e\u003cp\u003eThis sump is built for installations where shower water needs to be collected, filtered, and discharged reliably instead of draining straight into the bilge. Multiple inlets can be connected to more than one drain with different hose sizes, so it works well when the shower shares the sump with nearby sink or compartment drains.\u003c\/p\u003e\u003cp\u003eThe box has a clear top for quick filter checks, a gasketed lid to help contain overflow, and an air vent to reduce the chance of air lock. It also meets applicable ABYC and USCG standards, which matters when you are matching replacement plumbing parts to an existing system on board.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e500 GPH shower sump system for 12V DC boats\u003c\/li\u003e\n\u003cli\u003e3\/4-inch I.D. outlet hose connection with a 3-amp fuse specification\u003c\/li\u003e\n\u003cli\u003eMultiple inlet positions for tying in more than one gray-water drain\u003c\/li\u003e\n\u003cli\u003eClear lid makes it easy to inspect the filter without opening the box\u003c\/li\u003e\n\u003cli\u003eGasketed snap-on lid helps contain overflow and simplifies filter access for cleaning\u003c\/li\u003e\n\u003cli\u003eAir vent is built into the box to help prevent air lock in the discharge line\u003c\/li\u003e\n\u003cli\u003e36-inch wire leads give some flexibility when routing power to the unit\u003c\/li\u003e\n\u003cli\u003eStandard-size sump box suits installations where space is tighter than a large-box setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThis unit needs to be mounted lower than the shower drain and other connected drains, and the box should sit level so the automatic pump can work as intended. The discharge hose should rise smoothly from the sump to the thru-hull without dips, because low spots in the hose can trap air and reduce pump performance.\u003c\/p\u003e\u003cp\u003eFor boats with more than one gray-water source, the inlet layout gives some flexibility when routing hoses into the box. The lid removes for service, so it is worth leaving enough clearance around the sump to open the top and clean the filter without pulling the whole unit back out.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis sump is a good match for 12V boats that need a compact gray-water collection point for a shower or a shower shared with one or more nearby drains. It fits best where the plumbing run can keep the outlet hose rising toward the discharge point and where routine access to the filter is still possible after installation.\u003c\/p\u003e\u003cp\u003eFor owners replacing an older sump box, the details that matter most are system voltage, outlet hose size, available mounting space, and whether a standard-size box matches the footprint already in the boat. Checking those points before ordering usually tells you very quickly whether this is the right replacement.\u003c\/p\u003e\u003ch6\u003eMaintenance and care\u003c\/h6\u003e\u003cp\u003eThe filter should be checked and cleaned as part of normal onboard plumbing maintenance, especially on boats that see frequent shower use or pick up hair, soap residue, and other debris in the drain line. The clear lid helps with quick inspections, which makes it easier to catch buildup before it slows the pump or causes the sump to cycle more often than it should.\u003c\/p\u003e\u003cp\u003eIf the boat is laid up in cold weather, the sump and connected hoses should be drained as part of winterization. Keeping the box clean and the hoses clear will do more for long-term performance than any extra add-ons.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003e4141-1\u003c\/span\u003e","brand":"Attwood Marine","offers":[{"title":"Default Title","offer_id":53721582370997,"sku":"QBP356090","price":231.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1322140_qbp356090.jpg?v=1794118799"},{"product_id":"qbp921431","title":"Attwood Marine Sahara Automatic Bilge Pump, 500 GPH, 12V, Quicksilver Connectors","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Attwood Marine 4505ST1 is a Sahara S500 automatic bilge pump for 12V systems with a Quicksilver connector, rated at 500 GPH at open flow and 350 GPH at 3.3 feet of head. It fits a 3\/4 inch I.D. discharge hose and uses a built-in automatic switch, so it suits boats that need a compact pump with automatic operation already built in.\u003c\/p\u003e\u003cp\u003eThe housing is about 5-1\/2 inches long, 3-1\/4 inches wide, and 4 inches high, which helps when bilge space is limited. This pump is for clearing standing bilge water, not fuel, oil, or fast flooding from heavy weather or hull damage. The pump body is sealed and submersible, but the electrical connection still needs to stay out of the water during installation.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e12V automatic bilge pump in the Sahara S500 class with a built-in switch and manual test knob\u003c\/li\u003e\n\u003cli\u003e500 GPH open-flow rating and 350 GPH at 3.3 feet of head\u003c\/li\u003e\n\u003cli\u003eQuicksilver connector version for boats already rigged with that connector style\u003c\/li\u003e\n\u003cli\u003eUses 3\/4 inch I.D. hose and a 2 amp fuse for this pump model\u003c\/li\u003e\n\u003cli\u003eCompact body at about 5-1\/2 x 3-1\/4 x 4 inches for tighter bilge areas\u003c\/li\u003e\n\u003cli\u003eMercury-free switch and 316 stainless steel motor shaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and fit\u003c\/h6\u003e\u003cp\u003eThis pump is usually mounted on a flat pad at the lowest practical point in the bilge, with the outlet aimed toward the transom. For the best result, the discharge hose should rise steadily to the thru-hull rather than dipping along the way, and the float end of the pump should sit level with or slightly above the outlet end.\u003c\/p\u003e\u003cp\u003eFor replacement work, the main checkpoints are straightforward: confirm a 12V circuit, a 3\/4 inch discharge line, room for the pump body, and a harness that matches the Quicksilver connector on this version. That connector detail matters on boats where keeping the existing rigging layout is preferable to reworking the bilge pump connection.\u003c\/p\u003e\u003ch6\u003eUse on board\u003c\/h6\u003e\u003cp\u003eThis pump is a good match for runabouts, skiffs, bass boats, and other boats with a smaller bilge compartment and a 3\/4 inch discharge setup. It also makes sense when you want automatic bilge protection in the 500 GPH range without adding a separate float switch assembly for the same basic job.\u003c\/p\u003e\n\u003cspan itemprop=\"mpn\" hidden\u003e4505ST1\u003c\/span\u003e","brand":"Attwood Marine","offers":[{"title":"Default Title","offer_id":53721607602357,"sku":"QBP921431","price":70.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1322545_qbp921431.webp?v=1794119694"}],"url":"https:\/\/www.qualityboatparts.com\/collections\/cat-marine-plumbing.oembed","provider":"Quality Boat Parts","version":"1.0","type":"link"}