{"product_id":"floplast-21-5mm-black-overflow-condensate-pipe-3m-os01b-pvc-u","title":"FloPlast 21.5mm Black Overflow Condensate Pipe 3m | OS01B | PVC-U","description":"\u003c!-- SEO Product Name: FloPlast 21.5mm Black Overflow Condensate Pipe 3m | OS01B | PVC-U --\u003e\n\u003cdiv style=\"font-size:16px;max-width:900px;margin:0 auto;line-height:1.6;color:#222;font-family:Arial,Helvetica,sans-serif;\"\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eThe FloPlast 21.5 mm black overflow pipe (OS01B) is a \u003cstrong\u003e3 m length of PVC-U solvent weld pipe\u003c\/strong\u003e widely used to carry \u003cstrong\u003econdensate from air conditioning indoor units\u003c\/strong\u003e to a drain, as well as overflow and boiler condensate. The \u003cstrong\u003eblack RAL 9005 finish\u003c\/strong\u003e is discreet on exterior and visible runs.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eIt is part of FloPlast's \u003cstrong\u003e21.5 mm solvent weld overflow system\u003c\/strong\u003e, with \u003cstrong\u003eno expansion gap required\u003c\/strong\u003e and a \u003cstrong\u003econtinuous temperature rating of 76 °C\u003c\/strong\u003e (intermittent discharges to 100 °C for under two minutes). It is lightweight, easy to cut and available with matching couplings, bends and clips.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin:26px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003e21.5 mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003ePipe size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003e3 m\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003ePipe length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003ePVC-U\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eSolvent weld\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003e76 °C\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eContinuous temperature\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003eRAL 9005\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eBlack finish\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003eOS01B\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eFloPlast part code\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #008377CF;background:#f0f9f8;border-radius:0 6px 6px 0;padding:14px 18px;margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#00695f;margin-bottom:5px;\"\u003eℹ Condensate drains must fall\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.95em;color:#1f2d2c;\"\u003eRun condensate pipework with a continuous fall away from the indoor unit and avoid dips or traps that hold water. Check the unit's installation manual for the drain connection and gradient.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #e67e22;background:#fdf8f2;border-radius:0 6px 6px 0;padding:14px 18px;margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#b35f00;margin-bottom:5px;\"\u003e⚠ Solvent cement is sold separately\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.95em;color:#1f2d2c;\"\u003eFloPlast solvent weld joints need FloPlast solvent cement. Apply it evenly to both surfaces, insert the pipe fully into the socket, wipe off surplus cement, and follow the cement manufacturer's cure times before testing. No expansion gap is needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:14px;margin:22px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e💧\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eCondensate and overflow duty\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003eDesigned for \u003cstrong\u003eoverflow waste\u003c\/strong\u003e and widely used for \u003cstrong\u003eair conditioning and boiler condensate\u003c\/strong\u003e drains.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e⚫\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eBlack RAL 9005\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eBlack finish\u003c\/strong\u003e blends in on exterior runs and matches black soil pipe.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🔗\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eSolvent weld jointing\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eSolvent weld joints\u003c\/strong\u003e to PVC-U give strong, permanent joints with no rubber seals to degrade.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🌡️\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eHot water rated\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003e76 °C continuous\u003c\/strong\u003e with intermittent discharges up to 100 °C for under two minutes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e↔️\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eNo expansion gap\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eNo expansion gap required\u003c\/strong\u003e, so runs are quick to assemble.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e📏\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003e3 m lengths\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003e3 m length\u003c\/strong\u003e keeps the number of joints down on longer drain runs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"margin:18px 0 26px;border:1px solid #d5e8e6;border-radius:6px;overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF;color:#ffffff;padding:10px 16px;font-weight:700;\"\u003eProduct\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eFloPlast\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003ePart code\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eOS01B\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eSystem\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003e21.5 mm solvent weld overflow waste\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003ePVC-U\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eColour\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eBlack (RAL 9005)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eLength\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003e3 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eJointing\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eSolvent weld, FloPlast solvent cement\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF;color:#ffffff;padding:10px 16px;font-weight:700;\"\u003ePerformance and installation\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eContinuous temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eMaximum 76 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eIntermittent discharge\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eUp to 100 °C, less than 2 minutes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eExpansion gap\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eNot required\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eClip spacing\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003e1.2 m vertical runs, 0.5 m horizontal runs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdiv style=\"margin:18px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eCan I use 21.5 mm overflow pipe for air conditioning condensate?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eYes. It is widely used for condensate drains from indoor units. Connect the unit's drain hose with a suitable adaptor, and check the unit manual for the drain connection size and gradient.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eHow do I join it?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eUse FloPlast solvent weld fittings and solvent cement. Apply cement evenly to both surfaces, push the pipe fully into the socket and wipe off any excess.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eHow far apart should I clip it?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eFix clips at 1.2 m centres on vertical runs and 0.5 m centres on horizontal runs.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eDoes it need an expansion gap?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eNo. The solvent weld overflow system does not need an expansion gap.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eWhat fall should the pipe have?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eRun it with a continuous fall away from the unit. Follow the air conditioning unit manufacturer's guidance for the gradient.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FloPlast","offers":[{"title":"Default Title","offer_id":67576440553862,"sku":"OS01B","price":6.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/FloPlast21.5mmBlackOverflowCondensatePipe3mOS01B.jpg?v=1791282675","url":"https:\/\/qualityheating.co.uk\/products\/floplast-21-5mm-black-overflow-condensate-pipe-3m-os01b-pvc-u","provider":"AIZO Quality Heating","version":"1.0","type":"link"}