{"product_id":"valterra-rubber-tank-grommet-1-3","title":"Valterra Rubber Tank Grommet – 1½″ \u0026 3″","description":"\u003cp\u003eInstall a drain connection in a polyethylene caravan, motorhome or RV holding tank with a Valterra rubber tank grommet. Choose the grommet size to match your drain pipe and required tank opening.\u003c\/p\u003e\n\u003ch2\u003eChoose the correct size\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1½″ pipe:\u003c\/strong\u003e requires a 2½″ hole in the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3″ pipe:\u003c\/strong\u003e requires a 3⅞″ hole in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasure both the drain pipe and tank opening before ordering. The pipe inserts through the fitted rubber grommet to form the connection.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eCut the specified hole size in a compatible polyethylene holding tank.\u003c\/li\u003e\n\u003cli\u003eFit the rubber grommet securely into the tank opening.\u003c\/li\u003e\n\u003cli\u003eInsert the correctly sized drain pipe through the grommet.\u003c\/li\u003e\n\u003cli\u003eSecure the connection with a suitable hose clamp, sold separately.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eProduct features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for polyethylene RV holding tanks.\u003c\/li\u003e\n\u003cli\u003eCreates a sealed drain-pipe connection.\u003c\/li\u003e\n\u003cli\u003eAvailable for 1½″ and 3″ waste plumbing.\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible caravan, motorhome and RV installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat hole size do I need?\u003c\/h3\u003e\n\u003cp\u003eThe 1½″ grommet requires a 2½″ tank hole. The 3″ grommet requires a 3⅞″ tank hole.\u003c\/p\u003e\n\u003ch3\u003eIs a hose clamp included?\u003c\/h3\u003e\n\u003cp\u003eNo. A compatible hose clamp is required and sold separately.\u003c\/p\u003e","brand":"RV Supplies","offers":[{"title":"1½″","offer_id":48600083595449,"sku":"RVE627","price":19.99,"currency_code":"NZD","in_stock":true},{"title":"3″","offer_id":48600083628217,"sku":"RVE628","price":29.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9851\/2216\/files\/RVE627_-_1__78605.1720041342.webp?v=1786696612","url":"https:\/\/selectcaravans.co.nz\/products\/valterra-rubber-tank-grommet-1-3","provider":"Select Caravans Limited","version":"1.0","type":"link"}