{"title":"Reducing External","description":"","products":[{"product_id":"copper-endfeed-external-reducing-couplers-10mm-54mm","title":"Copper Endfeed External Reducing Couplers (10mm - 54mm)","description":"\u003cp data-path-to-node=\"4\"\u003eStreamline pipeline transitions and step-down configurations across domestic, commercial, and industrial networks with our premium selection of trade-grade copper reducing couplers. Designed explicitly for external capillary reduction, these components provide a seamless, leak-proof transition between varying pipe diameters. Whether routing intricate micro-bore heating zones or managing high-capacity plant room distribution lines, this collection offers ultimate flow consistency and structural integrity.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eManufactured from thick-walled, high-purity copper, each fitting ensures exceptional thermal conductivity and a flawless, deep capillary draw during the endfeed soldering process.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e📐 Available Sizing \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eSelect your required configuration from the dropdown menu to match your system specification:\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eMicro-Bore \u0026amp; Low-Profile Feeds:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,0,0\"\u003e10mm x 8mm (SKU: WBS20)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,1,0\"\u003e15mm x 8mm (SKU: WBS21)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,2,0\"\u003e15mm x 10mm (SKU: WBS22)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,3,0\"\u003e15mm x 12mm (SKU: WBS23)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eStandard Domestic \u0026amp; Commercial Loops:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,0,0\"\u003e22mm x 15mm (SKU: WBS24)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,1,0\"\u003e28mm x 15mm (SKU: WBS25)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,1,2,0\"\u003e28mm x 22mm (SKU: WBS26)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eHigh-Capacity Commercial Mains:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,1,0,0\"\u003e35mm x 22mm (SKU: WBS27)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,1,1,0\"\u003e35mm x 28mm (SKU: WBS28)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,1,2,0\"\u003e42mm x 28mm (SKU: WBS29)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,1,3,0\"\u003e42mm x 35mm (SKU: WBS30)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eIndustrial \u0026amp; Plant Room Headers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,1,0,0\"\u003e54mm x 28mm (SKU: WBS31)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,1,1,0\"\u003e54mm x 35mm (SKU: WBS32)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,1,2,0\"\u003e54mm x 42mm (SKU: WBS33)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e🛠️ Key Features\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003ePrecision Tapered Transition:\u003c\/b\u003e Engineered to step down pipe sizing cleanly without creating restrictive internal shoulders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eIndustrial Durability:\u003c\/b\u003e Heavy-gauge, corrosion-resistant copper manufactured to withstand severe mechanical and fluid stress\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eFlawless Capillary Action:\u003c\/b\u003e Precision-machined sockets ensure tight tolerances for an even, leak-proof solder seal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eCategory:\u003c\/b\u003e Endfeed \/ Couplers \/ Reducing \/ External\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e💧 Plumbing \u0026amp; Installation Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eOptimized Fluid Dynamics:\u003c\/b\u003e Smooth internal bore design eliminates fluid slamming and turbulence, preventing localized pressure drops and air pocket formations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eMaterial \u0026amp; Labor Efficiency:\u003c\/b\u003e Eliminates multi-stage reduction setups, lowering component costs and minimizing potential failure points across complex pipe runs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eExtreme Thermal Resilience:\u003c\/b\u003e Highly resilient against intense thermal cycles, preventing joint fatigue in domestic hot water networks, commercial plant rooms, and district heating loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eProfessional presentation Finish:\u003c\/b\u003e Compact architectures and clean finishes deliver a space-saving layout ideal for exposed plant room tracking or aesthetic showroom installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"warwickheatingsupplies","offers":[{"title":"10mm x 8mm","offer_id":57748965687628,"sku":null,"price":0.5,"currency_code":"GBP","in_stock":true},{"title":"15mm x 8mm","offer_id":57748965720396,"sku":null,"price":0.5,"currency_code":"GBP","in_stock":true},{"title":"15mm x 10mm","offer_id":57748965753164,"sku":null,"price":0.5,"currency_code":"GBP","in_stock":true},{"title":"15mm x 12mm","offer_id":57748965785932,"sku":null,"price":0.8,"currency_code":"GBP","in_stock":true},{"title":"22mm x 15mm","offer_id":57748965818700,"sku":null,"price":0.9,"currency_code":"GBP","in_stock":true},{"title":"28mm x 15mm","offer_id":57748965851468,"sku":null,"price":1.0,"currency_code":"GBP","in_stock":true},{"title":"28mm x 22mm","offer_id":57748965884236,"sku":null,"price":1.1,"currency_code":"GBP","in_stock":true},{"title":"35mm x 22mm","offer_id":57748965917004,"sku":null,"price":1.9,"currency_code":"GBP","in_stock":true},{"title":"35mm x 28mm","offer_id":57748965949772,"sku":null,"price":2.7,"currency_code":"GBP","in_stock":true},{"title":"42mm x 28mm","offer_id":57748965982540,"sku":null,"price":2.8,"currency_code":"GBP","in_stock":true},{"title":"42mm x 35mm","offer_id":57748966015308,"sku":null,"price":3.2,"currency_code":"GBP","in_stock":true},{"title":"54mm x 28mm","offer_id":57748966048076,"sku":null,"price":4.8,"currency_code":"GBP","in_stock":true},{"title":"54mm x 35mm","offer_id":57748966080844,"sku":null,"price":5.1,"currency_code":"GBP","in_stock":true},{"title":"54mm x 42mm","offer_id":57748966113612,"sku":null,"price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6796\/1932\/files\/a105dbd5-96e9-4c92-af74-16f3ba58e626.jpg?v=1780998472"},{"product_id":"copper-endfeed-long-shank-reducers-15mm-x-8mm-10mm","title":"Copper Endfeed Long Shank Reducers (15mm x 8mm \/ 10mm)","description":"\u003cp data-path-to-node=\"4\"\u003eExecute ultra-compact transitions and low-profile layout modifications across residential heating networks with our premium copper endfeed long shank reducers. Known across the trade as extended street reducers, these components feature an elongated male insertion end (the shank) designed to pass entirely over a pipe run or seat deeply within a standard fitting socket. By converting any \u003cb data-path-to-node=\"4\" data-index-in-node=\"390\"\u003e15mm socketed fitting\u003c\/b\u003e directly into an \u003cb data-path-to-node=\"4\" data-index-in-node=\"429\"\u003e8mm or 10mm micro-bore receiver\u003c\/b\u003e, they eliminate the need for short intermediate pipe bridges, significantly reducing physical layout footprints behind modern radiators, partition walls, and manifold cabinets.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eManufactured from high-purity, heavy-gauge copper, each fitting provides excellent thermal mass to ensure rapid, uniform capillary draw during endfeed soldering.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e📐 Sizing \u0026amp; Variant Selection\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eSelect the specific variant from the dropdown menu to match your system criteria:\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003e15mm x 8mm :\u003c\/b\u003e Ideal for transitioning standard lines down to ultra-low profile 8mm micro-bore radiator loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003e15mm x 10mm :\u003c\/b\u003e Perfect for connecting high-efficiency central heating manifolds directly to standard 10mm feeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e🛠️ Key Features\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eExtended Long Shank:\u003c\/b\u003e Features an elongated male insertion profile engineered to seat fully inside preceding fitting cavities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eSeamless Size Reduction:\u003c\/b\u003e Drop down smoothly from a 15mm infrastructure socket to micro-bore sizing without adding system length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003ePure Copper Build:\u003c\/b\u003e Highly durable, corrosion-resistant composition built for long-term system reliability in closed wet loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eCategory:\u003c\/b\u003e Endfeed \/ Couplers \/ Reducers \/ External \/ Long\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e💧 Plumbing \u0026amp; Installation Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eMaximum Space Optimization:\u003c\/b\u003e Bypasses standard external couplings, allowing intricate zone valves and distribution clusters to sit completely flush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eTurbulence-Free Transition:\u003c\/b\u003e Precision-tapered internal shoulder architecture ensures smooth fluid transfer without creating air pockets or pressure restrictions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eLabor \u0026amp; Component Efficiency:\u003c\/b\u003e Streamlines retrofitting by converting existing fitting sockets directly into localized feeds, cutting down on components and potential joint leak paths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eHigh Thermal Responsiveness:\u003c\/b\u003e Lightweight design absorbs torch heat rapidly, protecting surrounding building materials, valves, and components from thermal fatigue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"warwickheatingsupplies","offers":[{"title":"15mm x 8mm","offer_id":57749648572748,"sku":null,"price":0.6,"currency_code":"GBP","in_stock":true},{"title":"15mm x 10mm","offer_id":57749648605516,"sku":null,"price":0.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6796\/1932\/files\/8f6a590c-ebc6-429b-a260-adf95b20c88a.jpg?v=1781004698"}],"url":"https:\/\/warwickheatingsupplies.com\/collections\/reducing-external.oembed","provider":"warwickheatingsupplies","version":"1.0","type":"link"}