{"title":"Plastic Pipe Inserts","description":null,"products":[{"product_id":"plumbright-10mm-tube-pipe-support-white-plastic","title":"Plumbright 10mm Tube Pipe Support White plastic NTS10M","description":"\u003ch2\u003ePlumbright Tube Support Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Tube Support Insert reinforces compatible plastic pipe at a push-fit connection. By supporting the inside of the tube, it helps the pipe retain its shape as the joint is assembled and placed into service.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReinforces plastic pipe at the connection point\u003c\/li\u003e\n\u003cli\u003eHelps maintain a round, stable pipe profile\u003c\/li\u003e\n\u003cli\u003eSupports correct engagement with the fitting seal and grip mechanism\u003c\/li\u003e\n\u003cli\u003eSimple to install as part of normal pipe preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eSecure distribution pipework protects the performance of a wet underfloor heating system. Using the correct tube support at manifold, control and heating-circuit connections helps create dependable joints and reduces avoidable installation risk.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eMake a clean, square cut and inspect the pipe end before inserting the support fully. Assemble the pipe and fitting to the manufacturer's insertion mark or depth, carry out a pull check where recommended, and pressure-test before commissioning.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA moulded internal support component for compatible plastic pipe and push-fit fittings. It should be selected as part of the same approved pipework system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190297993589,"sku":"168373","price":0.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/NTS10M_168373_ProductImage.jpg?v=1778839379"},{"product_id":"plumbright-15mm-tube-pipe-support-white-plastic","title":"Plumbright 15mm Tube Pipe Support White plastic NTS15M","description":"\u003ch2\u003ePlumbright Tube Support Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Tube Support Insert reinforces compatible plastic pipe at a push-fit connection. By supporting the inside of the tube, it helps the pipe retain its shape as the joint is assembled and placed into service.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReinforces plastic pipe at the connection point\u003c\/li\u003e\n\u003cli\u003eHelps maintain a round, stable pipe profile\u003c\/li\u003e\n\u003cli\u003eSupports correct engagement with the fitting seal and grip mechanism\u003c\/li\u003e\n\u003cli\u003eSimple to install as part of normal pipe preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eSecure distribution pipework protects the performance of a wet underfloor heating system. Using the correct tube support at manifold, control and heating-circuit connections helps create dependable joints and reduces avoidable installation risk.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eMake a clean, square cut and inspect the pipe end before inserting the support fully. Assemble the pipe and fitting to the manufacturer's insertion mark or depth, carry out a pull check where recommended, and pressure-test before commissioning.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA moulded internal support component for compatible plastic pipe and push-fit fittings. It should be selected as part of the same approved pipework system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190298321269,"sku":"168374","price":0.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/NTS15M_168374_ProductImage.jpg?v=1778839381"},{"product_id":"plumbright-22mm-tube-pipe-support-white-plastic","title":"Plumbright 22mm Tube Pipe Support White plastic NTS22M","description":"\u003ch2\u003ePlumbright Tube Support Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Tube Support Insert reinforces compatible plastic pipe at a push-fit connection. By supporting the inside of the tube, it helps the pipe retain its shape as the joint is assembled and placed into service.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReinforces plastic pipe at the connection point\u003c\/li\u003e\n\u003cli\u003eHelps maintain a round, stable pipe profile\u003c\/li\u003e\n\u003cli\u003eSupports correct engagement with the fitting seal and grip mechanism\u003c\/li\u003e\n\u003cli\u003eSimple to install as part of normal pipe preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eSecure distribution pipework protects the performance of a wet underfloor heating system. Using the correct tube support at manifold, control and heating-circuit connections helps create dependable joints and reduces avoidable installation risk.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eMake a clean, square cut and inspect the pipe end before inserting the support fully. Assemble the pipe and fitting to the manufacturer's insertion mark or depth, carry out a pull check where recommended, and pressure-test before commissioning.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA moulded internal support component for compatible plastic pipe and push-fit fittings. It should be selected as part of the same approved pipework system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190298616181,"sku":"168375","price":0.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/NTS22M_168375_ProductImage.jpg?v=1778839383"},{"product_id":"plumbright-28mm-tube-pipe-support-white-plastic","title":"Plumbright 28mm Tube Pipe Support White plastic","description":"\u003ch2\u003ePlumbright Push-Fit Tube Pipe Support\u003c\/h2\u003e\n \n \u003cp\u003eThe Plumbright Push-Fit Tube Pipe Support is designed to reinforce plastic pipe within push-fit plumbing and heating connections. Installed inside the pipe before connection, this insert helps maintain pipe shape, improves joint security, and supports a reliable, leak-free seal within hot and cold water systems, including wet underfloor heating installations.\u003c\/p\u003e\n \n \u003cp\u003eManufactured for compatibility with plastic push-fit pipe systems, this plumbing fitting is an essential component for maintaining long-term system performance and ensuring compliant push-fit connections.\u003c\/p\u003e\n \n \u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n \n \u003cul\u003e\n \u003cli\u003eProvides internal reinforcement for plastic pipe in push-fit systems\u003c\/li\u003e\n \u003cli\u003eHelps create a secure and leak-resistant pipe connection\u003c\/li\u003e\n \u003cli\u003eSuitable for hot and cold plumbing and heating applications\u003c\/li\u003e\n \u003cli\u003eSupports reliable performance in wet underfloor heating systems\u003c\/li\u003e\n \u003cli\u003eDesigned for use with plastic barrier pipe\u003c\/li\u003e\n \u003cli\u003eManufactured from durable engineering-grade material\u003c\/li\u003e\n \u003cli\u003eWRAS approved for use in potable water systems\u003c\/li\u003e\n \u003cli\u003eSimple push-fit installation with no specialist tools required\u003c\/li\u003e\n \u003cli\u003eHelps maintain pipe integrity under pressure and temperature changes\u003c\/li\u003e\n \u003c\/ul\u003e\n \n \u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\n \n \u003cp\u003eThis push-fit pipe support is suitable for a wide range of domestic and light commercial plumbing and heating systems using plastic push-fit pipework. It is commonly used in:\u003c\/p\u003e\n \n \u003cul\u003e\n \u003cli\u003eWet underfloor heating pipe installations\u003c\/li\u003e\n \u003cli\u003eCentral heating systems\u003c\/li\u003e\n \u003cli\u003eHot and cold water distribution systems\u003c\/li\u003e\n \u003cli\u003ePlastic barrier pipe applications\u003c\/li\u003e\n \u003cli\u003eGeneral plumbing and heating repairs or upgrades\u003c\/li\u003e\n \u003c\/ul\u003e\n \n \u003cp\u003eThe insert is designed to work within compatible push-fit plumbing fittings and should be used wherever manufacturer guidance recommends internal pipe support.\u003c\/p\u003e\n \n \u003ch3\u003eRole In Underfloor Heating\u003c\/h3\u003e\n \n \u003cp\u003eWithin a wet underfloor heating system, maintaining secure pipe connections is critical for long-term reliability and leak prevention. Push-fit tube supports help reinforce plastic pipework at connection points, reducing the risk of deformation and helping preserve a consistent seal under operating pressure and temperature fluctuations.\u003c\/p\u003e\n \n \u003cp\u003eBy supporting the integrity of the pipe connection, these fittings contribute to efficient system performance, reduced maintenance risk, and dependable operation over the lifespan of the heating system.\u003c\/p\u003e\n \n \u003ch3\u003eGuidance\u003c\/h3\u003e\n \n \u003cp\u003eBefore making a push-fit connection, ensure the pipe is cut cleanly and free from burrs or damage. Fully insert the pipe support into the plastic pipe before connecting it to the push-fit fitting. Always follow the installation guidance provided for the pipe and fitting system being used.\u003c\/p\u003e\n \n \u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n \n \u003cul\u003e\n \u003cli\u003ePush-fit plumbing pipe support insert\u003c\/li\u003e\n \u003cli\u003eSuitable for plastic barrier pipe systems\u003c\/li\u003e\n \u003cli\u003eCompatible with hot and cold water applications\u003c\/li\u003e\n \u003cli\u003eSuitable for wet underfloor heating systems\u003c\/li\u003e\n \u003cli\u003eManufactured from durable polysulphone material\u003c\/li\u003e\n \u003cli\u003eWRAS approved\u003c\/li\u003e\n \u003cli\u003eKitemark certified\u003c\/li\u003e\n \u003cli\u003eDesigned for high-performance plumbing and heating installations\u003c\/li\u003e\n \u003c\/ul\u003e\n :\n ","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190299206005,"sku":"168376","price":0.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/NTS28M_168376_ProductImage.jpg?v=1778839385"},{"product_id":"plumbright-10mm-double-seal-insert-white-plastic","title":"Plumbright 10mm Double Seal Insert White plastic NDSI10M","description":"\u003ch2\u003ePlumbright Double Seal Pipe Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Double Seal Pipe Insert is fitted inside compatible plastic pipe before jointing. It supports the pipe wall at the connection point and helps the assembled push-fit joint maintain a secure, dependable seal.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports the pipe bore at the joint to reduce the risk of distortion\u003c\/li\u003e\n\u003cli\u003eDouble-seal design helps provide additional confidence at the connection\u003c\/li\u003e\n\u003cli\u003eQuick to fit during first-fix and final connection work\u003c\/li\u003e\n\u003cli\u003eA small but important component for consistent push-fit joint preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eReliable joints are essential around heat sources, pumps, controls and manifolds. In a wet underfloor heating installation, the correct insert supports long-term system integrity and helps reduce the risk of leaks at accessible distribution connections.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eCut the pipe squarely with a suitable pipe cutter, ensure the end is clean and undamaged, then push the insert fully home before assembling the fitting. Confirm the pipe is inserted to the required depth and pressure-test the completed system before it is concealed or commissioned.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA purpose-made internal pipe support with a sealing profile for compatible plastic pipe. Select and install it as part of the matching pipe and fitting system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190319456629,"sku":"168424","price":0.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/branded_NDSI10M_168424_ProductImage.jpg?v=1778839448"},{"product_id":"plumbright-15mm-double-seal-insert-white-plastic","title":"Plumbright 15mm Double Seal Insert White plastic NDSI15M","description":"\u003ch2\u003ePlumbright Double Seal Pipe Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Double Seal Pipe Insert is fitted inside compatible plastic pipe before jointing. It supports the pipe wall at the connection point and helps the assembled push-fit joint maintain a secure, dependable seal.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports the pipe bore at the joint to reduce the risk of distortion\u003c\/li\u003e\n\u003cli\u003eDouble-seal design helps provide additional confidence at the connection\u003c\/li\u003e\n\u003cli\u003eQuick to fit during first-fix and final connection work\u003c\/li\u003e\n\u003cli\u003eA small but important component for consistent push-fit joint preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eReliable joints are essential around heat sources, pumps, controls and manifolds. In a wet underfloor heating installation, the correct insert supports long-term system integrity and helps reduce the risk of leaks at accessible distribution connections.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eCut the pipe squarely with a suitable pipe cutter, ensure the end is clean and undamaged, then push the insert fully home before assembling the fitting. Confirm the pipe is inserted to the required depth and pressure-test the completed system before it is concealed or commissioned.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA purpose-made internal pipe support with a sealing profile for compatible plastic pipe. Select and install it as part of the matching pipe and fitting system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190320046453,"sku":"168425","price":0.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/branded_NDSI15M_168425_ProductImage.jpg?v=1778839450"},{"product_id":"plumbright-22mm-double-seal-insert-white-plastic","title":"Plumbright 22mm Double Seal Insert White plastic NDSI22M","description":"\u003ch2\u003ePlumbright Double Seal Pipe Insert\u003c\/h2\u003e\u003cp\u003eThe Plumbright Double Seal Pipe Insert is fitted inside compatible plastic pipe before jointing. It supports the pipe wall at the connection point and helps the assembled push-fit joint maintain a secure, dependable seal.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports the pipe bore at the joint to reduce the risk of distortion\u003c\/li\u003e\n\u003cli\u003eDouble-seal design helps provide additional confidence at the connection\u003c\/li\u003e\n\u003cli\u003eQuick to fit during first-fix and final connection work\u003c\/li\u003e\n\u003cli\u003eA small but important component for consistent push-fit joint preparation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e\u003cp\u003eDesigned for compatible plastic pipe systems and suitable hot and cold water or heating services. Compatibility with pipe, inserts and any connection to copper tube should be checked against the manufacturer's current instructions.\u003c\/p\u003e\u003ch3\u003eRole in Wet Underfloor Heating\u003c\/h3\u003e\u003cp\u003eReliable joints are essential around heat sources, pumps, controls and manifolds. In a wet underfloor heating installation, the correct insert supports long-term system integrity and helps reduce the risk of leaks at accessible distribution connections.\u003c\/p\u003e\u003ch3\u003eGuidance\u003c\/h3\u003e\u003cp\u003eCut the pipe squarely with a suitable pipe cutter, ensure the end is clean and undamaged, then push the insert fully home before assembling the fitting. Confirm the pipe is inserted to the required depth and pressure-test the completed system before it is concealed or commissioned.\u003c\/p\u003e\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\u003cp\u003eA purpose-made internal pipe support with a sealing profile for compatible plastic pipe. Select and install it as part of the matching pipe and fitting system.\u003c\/p\u003e","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190320374133,"sku":"168426","price":0.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/branded_NDSI22M_168426_ProductImage.jpg?v=1778839452"},{"product_id":"plumbright-28mm-double-seal-insert-white-plastic","title":"Plumbright 28mm Double Seal Insert White plastic","description":"\u003ch2\u003ePlumbright Plastic Push-Fit Double Seal Insert\u003c\/h2\u003e  \u003cp\u003eThe Plumbright Plastic Push-Fit Double Seal Insert is designed to strengthen and support plastic barrier pipe connections within plumbing and heating systems, including wet underfloor heating installations. Engineered for use with push-fit fittings, this insert helps maintain pipe shape, improves joint integrity, and supports reliable long-term system performance.\u003c\/p\u003e  \u003cp\u003eManufactured from durable polymer materials, the insert is suitable for hot and cold water systems and is ideal for both professional installers and DIY customers looking for a dependable plumbing fitting solution.\u003c\/p\u003e  \u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e  \u003cul\u003e   \u003cli\u003eDesigned for use with plastic push-fit plumbing and heating fittings\u003c\/li\u003e   \u003cli\u003eProvides internal pipe support for secure and reliable connections\u003c\/li\u003e   \u003cli\u003eDouble seal design helps improve joint performance and stability\u003c\/li\u003e   \u003cli\u003eSuitable for hot and cold water systems\u003c\/li\u003e   \u003cli\u003eCompatible with polybutylene barrier pipe systems\u003c\/li\u003e   \u003cli\u003eQuick and simple installation with no specialist tools required\u003c\/li\u003e   \u003cli\u003eLightweight, corrosion-resistant polymer construction\u003c\/li\u003e   \u003cli\u003eSuitable for domestic and commercial plumbing applications\u003c\/li\u003e   \u003cli\u003eHelps reduce the risk of pipe distortion within push-fit fittings\u003c\/li\u003e   \u003cli\u003eReusable design supports straightforward maintenance and adjustments\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eSuitable Applications and Compatibility\u003c\/h3\u003e  \u003cp\u003eThis push-fit pipe insert is suitable for use in a wide range of plumbing and heating applications, including wet underfloor heating systems, radiator circuits, hot and cold water distribution, and general plastic pipe installations.\u003c\/p\u003e  \u003cp\u003eIt is designed for compatibility with plastic barrier pipe and push-fit plumbing fittings commonly used within modern heating and plumbing systems.\u003c\/p\u003e  \u003ch3\u003eRole In Underfloor Heating\u003c\/h3\u003e  \u003cp\u003eWithin a wet underfloor heating system, pipe inserts play an important role in maintaining secure pipe connections and protecting the integrity of the pipework. By reinforcing the pipe inside the fitting, the insert helps create a stronger connection that can withstand pressure and temperature changes during system operation.\u003c\/p\u003e  \u003cp\u003eReliable pipe support is essential for long-term heating system efficiency, helping to reduce the risk of leaks, maintain consistent water flow, and support overall system durability.\u003c\/p\u003e  \u003ch3\u003eGuidance\u003c\/h3\u003e  \u003cp\u003eEnsure the plastic barrier pipe is cut cleanly and square before installation. Fully insert the pipe insert into the pipe end prior to connecting the push-fit fitting. Always follow the pipe and fitting manufacturer’s installation instructions and test the system before covering pipework or commissioning the heating system.\u003c\/p\u003e  \u003ch3\u003eTechnical Overview\u003c\/h3\u003e  \u003cul\u003e   \u003cli\u003eManufactured from durable polymer material\u003c\/li\u003e   \u003cli\u003eSuitable for plastic push-fit plumbing systems\u003c\/li\u003e   \u003cli\u003eCompatible with hot and cold water applications\u003c\/li\u003e   \u003cli\u003eSuitable for plumbing and wet underfloor heating systems\u003c\/li\u003e   \u003cli\u003eKitemark approved for quality assurance\u003c\/li\u003e   \u003cli\u003eCorrosion-resistant and non-toxic construction\u003c\/li\u003e \u003c\/ul\u003e : ","brand":"Plumbright","offers":[{"title":"Default Title","offer_id":57190320669045,"sku":"168427","price":0.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/0323\/2025\/files\/NDSI28M_168427.jpg?v=1778839454"}],"url":"https:\/\/www.theunderfloorheatingstore.com\/collections\/plastic-pipe-tee-fittings-copy.oembed","provider":"The Underfloor Heating Store","version":"1.0","type":"link"}