{"product_id":"red-sea-reefer-sump-pump-return-pipe-rf-g2-900-s-850-s-1000-extension-left-y-connect","title":"Red Sea Reefer Sump Pump Return Pipe RF G2 900\/S-850\/S-1000 Extension - Left Y Connect","description":"\u003cp\u003e\u003cstrong\u003eThe genuine left-side extension that splits sump return flow on the large-format Reefer G2 range.\u003c\/strong\u003e This is the factory left Y-connect return pipe extension, Red Sea part number R43318, for the REEFER G2 900, S-850 and S-1000 — the extension section that splits and extends the sump return on the left side of these large twin-return systems.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Red Sea part\u003c\/strong\u003e — matched bore and seal dimensions to the factory sump plumbing on these models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eY-connect design\u003c\/strong\u003e — splits the return flow to feed both left-side return points on a twin-return sump layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-fit replacement\u003c\/strong\u003e — restores a cracked, leaking or missing extension without re-engineering the plumbing run.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRed Sea part number\u003c\/th\u003e\n\u003ctd\u003eR43318\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOur SKU\u003c\/th\u003e\n\u003ctd\u003eRED816e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSump return pipe extension, left Y-connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSide\u003c\/th\u003e\n\u003ctd\u003eLeft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eREEFER G2 900, S-850, S-1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\u003cp\u003eThis is the left-side part for the large-format REEFER G2 900, S-850 and S-1000. It is not interchangeable with the right-side Y-connect (R43320) — the two are mirror-image parts and only one will align with the left return run. It does not fit the 350–750 REEFER G2 range, which uses a single-return sump layout without a Y-split.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for repairing or replacing the left-side return split on a REEFER G2 900, S-850 or S-1000 sump. Not suitable for the smaller G2 350–750 range or for the right-side return run on any model.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Red Sea's manufacturer warranty against manufacturing defects, in addition to your consumer guarantee rights under Australian Consumer Law. Ships as a small parcel item at standard freight rates.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eIs this the same as the right-side Y-connect?\u003c\/h4\u003e\u003cp\u003eNo. R43318 is the left-side part and R43320 is the right-side part — they're mirror-image fittings for the twin-return sump on these large systems.\u003c\/p\u003e\u003ch4\u003eWill this fit my REEFER G2 750?\u003c\/h4\u003e\u003cp\u003eNo. The 750 and smaller G2 models use a single-return sump layout. This Y-connect is specific to the twin-return 900, S-850 and S-1000.\u003c\/p\u003e\u003ch4\u003eDoes this include O-rings or seals?\u003c\/h4\u003e\u003cp\u003eIt's supplied as the pipe extension fitting itself, matched to the original seals in your sump plumbing. Inspect existing O-rings when you disassemble the joint and replace them if worn.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774160752931,"sku":"RED816e","price":165.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/RED816e.jpg?v=1772078852","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-reefer-sump-pump-return-pipe-rf-g2-900-s-850-s-1000-extension-left-y-connect","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}