{"product_id":"pvc-push-fit-union-straight-coupling-20mm-160mm","title":"PVC Push Fit Plumbing Fittings Union Straight Pipe Quick Couplings 20mm-160mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003ePVC Push Fit Union Straight Couplings — Tool-Free Pipe Connections for DIY Plumbing\u003c\/h2\u003e\n    \u003cp\u003eDealing with a leaking joint or mid-project pipe repair shouldn't require a full toolkit. These PVC push fit union straight couplings are designed for homeowners, maintenance technicians, and hands-on DIYers who need a fast, reliable pipe connection without solvent cement, clamps, or specialist tools.\u003c\/p\u003e\n    \u003cp\u003eEach coupling is made from rigid PVC with an integrated push-to-connect mechanism. Available in 10 sizes ranging from 20mm (~¾ in) to 160mm (~6¼ in), and in two color options — White and Grey — to match your existing pipework. The union design allows the fitting to be disassembled for future access or modification.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include cold-water supply lines, irrigation system repairs, rainwater downpipe connections, and above-ground drainage runs where quick-access fittings are preferred over permanent solvent-welded joints.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for standard metric PVC pipe OD. Confirm your pipe's outer diameter matches the selected size before ordering. Not rated for hot-water or pressurized heating systems.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These PVC Push Fit Union Straight Couplings\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e \u003cstrong\u003eTool-free installation\u003c\/strong\u003e — Push pipe into the fitting until it clicks; no cement, clamps, or heat required, cutting repair time significantly.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔓\u003c\/span\u003e \u003cstrong\u003eUnion (demountable) design\u003c\/strong\u003e — The two-part union body allows the joint to be unscrewed and disassembled for future pipe access, modification, or replacement.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003e10 size options (20mm–160mm)\u003c\/strong\u003e — Covers the most common metric PVC pipe diameters from ¾ in to ~6¼ in, suitable for a wide range of residential and light-commercial plumbing tasks.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e \u003cstrong\u003eTwo color options\u003c\/strong\u003e — White and Grey finishes available to blend with existing pipework in utility rooms, gardens, or exposed installations.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e \u003cstrong\u003eLeak-resistant push-connect seal\u003c\/strong\u003e — Internal rubber O-ring creates a watertight seal on cold-water and drainage applications when pipe is fully inserted.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e \u003cstrong\u003eStraight-through flow path\u003c\/strong\u003e — Full-bore union straight design minimizes flow restriction, maintaining pipe system efficiency across the connection point.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — PVC Push Fit Union Straight Couplings\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eRigid PVC (Polyvinyl Chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFitting Type\u003c\/th\u003e\n\u003ctd\u003eUnion Straight Coupling (Push Fit)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003ePush-to-connect with internal O-ring seal\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes (OD)\u003c\/th\u003e\n\u003ctd\u003e20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor Options\u003c\/th\u003e\n\u003ctd\u003eWhite, Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs (see variant options for multi-pack availability)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCold-water supply, drainage, irrigation, rainwater systems\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options — not rated for hot water or pressurized heating\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePipe Compatibility\u003c\/th\u003e\n\u003ctd\u003eStandard metric PVC pipe (confirm pipe OD before ordering)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right size coupling for my pipe?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the \u003cstrong\u003eouter diameter (OD)\u003c\/strong\u003e of your existing pipe — not the inner bore. Match that measurement to the size listed in the variant options (e.g., 20mm OD pipe → select 20mm). If you are unsure, use a caliper or wrap a tape measure around the pipe and divide by π (3.14) to estimate the OD.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this fitting be used on hot-water lines?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. These PVC push fit couplings are intended for \u003cstrong\u003ecold-water supply, drainage, and irrigation\u003c\/strong\u003e applications only. PVC softens at elevated temperatures and is not suitable for hot-water or pressurized heating systems. For hot-water lines, consider CPVC or brass fittings rated for higher temperatures.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs the union design truly demountable — can I take it apart after installation?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The union body consists of two threaded halves that can be unscrewed by hand or with a strap wrench. This allows you to disconnect the joint without cutting the pipe, making it ideal for locations where future access may be needed — such as under sinks, in inspection chambers, or at equipment connections.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need any tools or adhesive to install this fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo tools or solvent cement are required for the push-fit connection. Simply ensure the pipe end is cut square and deburred, then push it firmly into the fitting socket until you feel it seat against the internal stop. The O-ring creates the seal automatically. The union nut can be hand-tightened to complete the assembly.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this coupling work with both White and Grey PVC pipe regardless of color?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe color of the fitting (White or Grey) is a cosmetic choice and does not affect compatibility. Both variants use the same PVC compound and O-ring seal. Choose the color that best matches your existing pipework for a cleaner visual finish.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow corrosion-resistant is PVC compared to metal fittings for outdoor or damp environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003ePVC is inherently resistant to rust, corrosion, and most common chemicals found in water supply and drainage systems. Unlike metal fittings, it will not corrode in damp or outdoor environments, making it a practical choice for garden irrigation, rainwater downpipes, and exposed utility installations. Prolonged UV exposure may cause surface discoloration over time; painting or shielding is recommended for long-term outdoor use.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I connect pipes of different colors using this fitting?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — the fitting connects any two pipes of the correct outer diameter regardless of pipe color. The fitting color (White or Grey) only affects the visible appearance of the coupling itself, not its function or compatibility with differently colored pipes.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your Color and Size above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right size coupling for my pipe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the outer diameter (OD) of your existing pipe — not the inner bore. Match that measurement to the size listed in the variant options (e.g., 20mm OD pipe → select 20mm). If you are unsure, use a caliper or wrap a tape measure around the pipe and divide by π (3.14) to estimate the OD.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this fitting be used on hot-water lines?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These PVC push fit couplings are intended for cold-water supply, drainage, and irrigation applications only. PVC softens at elevated temperatures and is not suitable for hot-water or pressurized heating systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the union design truly demountable — can I take it apart after installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The union body consists of two threaded halves that can be unscrewed by hand or with a strap wrench, allowing you to disconnect the joint without cutting the pipe.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need any tools or adhesive to install this fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No tools or solvent cement are required. Cut the pipe end square, deburr it, then push it firmly into the fitting socket until it seats against the internal stop. The O-ring creates the seal automatically.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this coupling work with both White and Grey PVC pipe regardless of color?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The color of the fitting is a cosmetic choice and does not affect compatibility. Both variants use the same PVC compound and O-ring seal.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How corrosion-resistant is PVC compared to metal fittings for outdoor or damp environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"PVC is inherently resistant to rust, corrosion, and most common chemicals found in water supply and drainage systems. Unlike metal fittings, it will not corrode in damp or outdoor environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I connect pipes of different colors using this fitting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — the fitting connects any two pipes of the correct outer diameter regardless of pipe color. The fitting color only affects the visible appearance of the coupling itself.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"White \/ 20mm \/ 1 Pcs","offer_id":52331831623954,"sku":"GLFBQLWGLBZSJ020744x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"White \/ 25mm \/ 1 Pcs","offer_id":52331831656722,"sku":"GLFBQLWGLBZSJ020745x1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"White \/ 32mm \/ 1 Pcs","offer_id":52331831689490,"sku":"GLFBQLWGLBZSJ020746x1","price":6.38,"currency_code":"USD","in_stock":true},{"title":"White \/ 40mm \/ 1 Pcs","offer_id":52331831722258,"sku":"GLFBQLWGLBZSJ020747x1","price":8.77,"currency_code":"USD","in_stock":true},{"title":"White \/ 50mm \/ 1 Pcs","offer_id":52331831755026,"sku":"GLFBQLWGLBZSJ020748x1","price":11.0,"currency_code":"USD","in_stock":true},{"title":"White \/ 63mm \/ 1 Pcs","offer_id":52331831787794,"sku":"GLFBQLWGLBZSJ020749x1","price":14.13,"currency_code":"USD","in_stock":true},{"title":"White \/ 75mm \/ 1 Pcs","offer_id":52331831820562,"sku":"GLFBQLWGLBZSJ020750x1","price":19.43,"currency_code":"USD","in_stock":true},{"title":"White \/ 90mm \/ 1 Pcs","offer_id":52331831853330,"sku":"GLFBQLWGLBZSJ020751x1","price":24.6,"currency_code":"USD","in_stock":true},{"title":"White \/ 110mm \/ 1 Pcs","offer_id":52331831886098,"sku":"GLFBQLWGLBZSJ020752x1","price":32.35,"currency_code":"USD","in_stock":true},{"title":"White \/ 160mm \/ 1 Pcs","offer_id":52331831918866,"sku":"GLFBQLWGLBZSJ020753x1","price":66.49,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 20mm \/ 1 Pcs","offer_id":52331831951634,"sku":"GLFBQLWGLBZSJ020759x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 25mm \/ 1 Pcs","offer_id":52331831984402,"sku":"GLFBQLWGLBZSJ020760x1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 32mm \/ 1 Pcs","offer_id":52331832017170,"sku":"GLFBQLWGLBZSJ020761x1","price":6.38,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 40mm \/ 1 Pcs","offer_id":52331832049938,"sku":"GLFBQLWGLBZSJ020762x1","price":8.77,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 50mm \/ 1 Pcs","offer_id":52331832082706,"sku":"GLFBQLWGLBZSJ020763x1","price":11.0,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 63mm \/ 1 Pcs","offer_id":52331832115474,"sku":"GLFBQLWGLBZSJ020764x1","price":14.13,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 75mm \/ 1 Pcs","offer_id":52331832148242,"sku":"GLFBQLWGLBZSJ020765x1","price":19.43,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 90mm \/ 1 Pcs","offer_id":52331832181010,"sku":"GLFBQLWGLBZSJ020766x1","price":24.6,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 110mm \/ 1 Pcs","offer_id":52331832213778,"sku":"GLFBQLWGLBZSJ020767x1","price":32.35,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 160mm \/ 1 Pcs","offer_id":52331832246546,"sku":"GLFBQLWGLBZSJ020768x1","price":66.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of8_b76135df-34c0-4e2e-ab54-e6c00180930a.jpg?v=1782014751","url":"https:\/\/homediyer.com\/de\/products\/pvc-push-fit-union-straight-coupling-20mm-160mm","provider":"HomeDIYer","version":"1.0","type":"link"}