{"title":"Non Return Valves","description":null,"products":[{"product_id":"non-return-valve-aluminium","title":"Non-Return Valve - Metal Heavy Pattern, 6mm to 12mm","description":"\u003cp\u003e\u003cstrong\u003eNon-return valve\u003c\/strong\u003e - a heavy pattern metal inline one-way valve that lets fluid flow in one direction only. Robust tin-plated brass construction for fuel, washer and low-pressure fluid lines. Sold singly in your choice of size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003cbr\u003eTin-plated brass, heavy pattern [confirm - the live title says \"aluminium\" but the spec reads tin-plated brass; worth settling which, as they're different metals]\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003cbr\u003eInline non-return (one-way) valve\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupplied as\u003c\/strong\u003e\u003cbr\u003e1 valve\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003cbr\u003eChoose 6mm, 8mm, 10mm or 12mm above to match your tubing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefit\u003c\/strong\u003e\u003cbr\u003eHolds fluid in the line and prevents back-flow, keeping systems primed and flowing the right way\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUses\u003c\/strong\u003e\u003cbr\u003eFuel lines, windscreen washer systems, low-pressure fluid and vacuum lines on cars, vans, marine and machinery\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003cbr\u003eCut the hose and push the valve inline, with the flow arrow pointing in the direction of flow\u003c\/p\u003e\n\u003cp\u003eAlso known as a one-way valve, check valve, anti-drain valve or inline fuel non-return valve.\u003c\/p\u003e","brand":"DH \u0026 JS Trading Ltd","offers":[{"title":"6mm","offer_id":57352419770746,"sku":"PW-8","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"8mm","offer_id":57352419803514,"sku":"PW-9","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":57352419836282,"sku":"PW-10","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57352419869050,"sku":"PW-11","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2239\/6850\/files\/Screenshot2026-10-06at13.38.01.png?v=1791269490"},{"product_id":"non-return-valves-elbow-pack-of-5","title":"Washer Non-Return Valves - Elbow (90°), 4.8mm","description":"\u003cp\u003e\u003cstrong\u003eWasher non-return valves (elbow)\u003c\/strong\u003e - 90-degree elbow inline one-way valves for windscreen washer systems. The right-angle body turns the washer tube neatly where space is tight, while holding screen wash in the line so the jets fire instantly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003cbr\u003e90-degree elbow non-return (one-way) valve\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInlet\u003c\/strong\u003e\u003cbr\u003e4.8mm push-fit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube size\u003c\/strong\u003e\u003cbr\u003eSuits 5mm and 6mm washer tubing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefit\u003c\/strong\u003e\u003cbr\u003eStops screen wash draining back to the bottle for instant spray, and routes the tube around a 90-degree bend without kinking\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003eUniversal - cut the washer tube and push the valve inline, with the arrow pointing towards the jets\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantities available\u003c\/strong\u003e\u003cbr\u003eChoose your amount above - buy 1, 2, 5 or 10.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePair with\u003c\/strong\u003e\u003cbr\u003eAlso available as a straight non-return valve. Washer tubing, jets and pumps are in our windscreen accessories range.\u003c\/p\u003e\n\u003cp\u003eAlso known as 90-degree washer valves, elbow one-way valves, anti-drain valves or right-angle check valves.\u003c\/p\u003e","brand":"DH \u0026 JS Trading Ltd","offers":[{"title":"1","offer_id":57352422523258,"sku":"PW-8","price":4.99,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":57352422556026,"sku":"PW-9","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":57352422588794,"sku":"PW-10","price":17.99,"currency_code":"GBP","in_stock":true},{"title":"10","offer_id":57352422621562,"sku":"PW-11","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2239\/6850\/files\/Screenshot2026-10-06at16.05.32_6fe8d6b8-e60b-49d4-a248-1fbb073d1575.png?v=1791277657"},{"product_id":"non-return-valves-straight","title":"Washer Non-Return Valves - Straight, 4.8mm","description":"\u003cp\u003e\u003cstrong\u003eWasher non-return valves (straight)\u003c\/strong\u003e - straight inline one-way valves for windscreen washer systems. Fitted in the washer tubing, they hold screen wash in the line so the jets fire instantly instead of waiting for the pump to re-prime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003cbr\u003eStraight inline non-return (one-way) valve\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInlet\u003c\/strong\u003e\u003cbr\u003e4.8mm push-fit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube size\u003c\/strong\u003e\u003cbr\u003eSuits 5mm and 6mm washer tubing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefit\u003c\/strong\u003e\u003cbr\u003eStops screen wash draining back to the bottle, giving instant spray and quicker wash after standing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003eUniversal - cut the washer tube and push the valve inline, with the arrow pointing towards the jets\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantities available\u003c\/strong\u003e\u003cbr\u003eChoose your amount above - buy 1, 2, 5 or 10.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePair with\u003c\/strong\u003e\u003cbr\u003eAlso available as a 90-degree elbow non-return valve. Washer tubing, jets and pumps are in our windscreen accessories range.\u003c\/p\u003e\n\u003cp\u003eAlso known as one-way washer valves, anti-drain valves, inline check valves or screen wash non-return valves.\u003c\/p\u003e","brand":"DH \u0026 JS Trading Ltd","offers":[{"title":"1","offer_id":57352471871866,"sku":"PW4 x1","price":4.99,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":57352471904634,"sku":"PW4 x2","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":57352471937402,"sku":"PW4 x5","price":17.99,"currency_code":"GBP","in_stock":true},{"title":"10","offer_id":57352471970170,"sku":"PW4 x10","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2239\/6850\/files\/Screenshot2026-10-06at16.31.48_577bd498-e900-41bd-a410-94e59347065d.png?v=1791279378"},{"product_id":"non-return-valves-t-piece","title":"Washer Non-Return Valves - T-Piece, 4.8mm","description":"\u003cp\u003e\u003cstrong\u003eWasher non-return valves (T-piece)\u003c\/strong\u003e - T-piece inline one-way valves for windscreen washer systems. The T-piece splits one washer feed to two outlets - handy for feeding both front jets, or front and rear - while holding screen wash in the line so the jets fire instantly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003cbr\u003eT-piece non-return (one-way) valve with one inlet and two outlets\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInlet\u003c\/strong\u003e\u003cbr\u003e4.8mm push-fit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTube size\u003c\/strong\u003e\u003cbr\u003eSuits 5mm and 6mm washer tubing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefit\u003c\/strong\u003e\u003cbr\u003eSplits the washer feed to two jets and stops screen wash draining back, for instant, even spray\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003eUniversal - cut the washer tube and push the valve inline, with the arrow pointing towards the jets\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantities available\u003c\/strong\u003e\u003cbr\u003eChoose your amount above - buy 1, 2, 5 or 10.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePair with\u003c\/strong\u003e\u003cbr\u003eAlso available as straight and 90-degree elbow non-return valves. Washer tubing, jets and pumps are in our windscreen accessories range.\u003c\/p\u003e\n\u003cp\u003eAlso known as a T-piece washer valve, splitter non-return valve, two-way washer valve or anti-drain T-connector.\u003c\/p\u003e","brand":"DH \u0026 JS Trading Ltd","offers":[{"title":"1","offer_id":57352494383482,"sku":"PW4 x1","price":4.99,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":57352494416250,"sku":"PW4 x2","price":7.99,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":57352494449018,"sku":"PW4 x5","price":17.99,"currency_code":"GBP","in_stock":true},{"title":"10","offer_id":57352494481786,"sku":"PW4 x10","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2239\/6850\/files\/Screenshot2026-10-06at16.58.34.png?v=1791280728"}],"url":"https:\/\/www.dhjstrading.com\/collections\/non-return-valves.oembed","provider":"DH \u0026 JS Trading Ltd","version":"1.0","type":"link"}