{"product_id":"ampliador-tubo-conector-john-guest","title":"Tube extender","description":"\u003ch2\u003eJohn Guest tube expander\u003c\/h2\u003e\u003cp\u003eAdapter to go from a smaller‑diameter plain spigot to a push‑fit connection for larger‑diameter tube. Current variants include 5\/16\" plain spigot to 3\/8\" tube and 3\/8\" plain spigot to 1\/2\" tube.\u003c\/p\u003e\u003ch3\u003eWhat it’s for\u003c\/h3\u003e\u003cp\u003eAllows you to increase the line diameter in a compact transition, avoiding the need to combine several fittings when the installation has a plain spigot outlet.\u003c\/p\u003e\u003ch3\u003eHow to choose the variant\u003c\/h3\u003e\u003cp\u003eFirst identify the size of the existing plain spigot and then the outside diameter of the tube that will continue the line. Both values must match the variant.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eDepressurize, check that the tailpiece is clean and in good condition, install the adapter and prepare the tube with a perpendicular cut before inserting it fully to the stop.\u003c\/p\u003e\u003ch3\u003eUse and maintenance\u003c\/h3\u003e\u003cp\u003eAvoid using the extender to correct misalignment or to keep the tube under continuous bending. At each service, check retention and leak tightness.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes it reduce or increase the diameter?\u003c\/strong\u003e\u003cbr\u003eThese variants are designed to go from a smaller tailpiece to a larger-diameter tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat combinations are available?\u003c\/strong\u003e\u003cbr\u003e5\/16\" to 3\/8\" and 3\/8\" to 1\/2\".\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the barb and the tube the same connection?\u003c\/strong\u003e\u003cbr\u003eNo; each side serves a different function.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat mistake should I avoid?\u003c\/strong\u003e\u003cbr\u003eConfusing the spigot size with the tube’s outside diameter.\u003c\/p\u003e","brand":"John Guest","offers":[{"title":"Smooth Barb 5\/16'' to 3\/8'' Tube","offer_id":38534028818,"sku":"IB0067","price":397.0,"currency_code":"JPY","in_stock":true},{"title":"Smooth 3\/8'' Barb to 1\/2'' Tube","offer_id":4122185093,"sku":"IB0066","price":464.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0339\/9513\/files\/Ampliador-de-tubo.webp?v=1697720548","url":"https:\/\/installbeer.com\/en-jp\/products\/tube-expander-connector-john-guest","provider":"Install Beer","version":"1.0","type":"link"}