{"product_id":"altecnic-flexible-heat-pump-hose-500mm-straight-1-x-28mm-128-3603","title":"Altecnic Flexible Heat Pump Hose 500mm Straight, 1\" x 28mm | 128-3603","description":"\u003c!-- SEO Product Name: Altecnic Flexible Heat Pump Hose 500mm Straight, 1\" x 28mm | 128-3603 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eAltecnic 128-3603 Flexible Heat Pump Hose\u003c\/strong\u003e is a \u003cstrong\u003e500mm straight\u003c\/strong\u003e connection hose designed specifically for linking an air source heat pump to its associated pipework. It allows for \u003cstrong\u003eeasy, flexible connection\u003c\/strong\u003e between the heat pump and the fixed pipe run while \u003cstrong\u003ereducing vibration transfer\u003c\/strong\u003e from the unit into the pipework.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eManufactured by \u003cstrong\u003eAltecnic\u003c\/strong\u003e and supplied as a \u003cstrong\u003epair\u003c\/strong\u003e, the hoses feature a \u003cstrong\u003eswivel connection\u003c\/strong\u003e at the heat pump end and a \u003cstrong\u003ecompression joint\u003c\/strong\u003e at the pipework end, and come fitted with \u003cstrong\u003ethick weatherproof insulation\u003c\/strong\u003e to reduce heat losses on both internal and external pipe runs.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px -4px 24px -4px;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e500 mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eHose Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e1\" BSP F\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eHeat Pump Connection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e28mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eCompression Connection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e10 Bar\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eMax. Pressure\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e90°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eMax. Temperature\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#FFFFFF; text-align:center; padding:16px 10px; border-radius:8px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.92;\"\u003eHoses per Pack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -4px 20px -4px;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eStraight-Through, 500mm Length\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThis is the \u003cstrong\u003eshort straight variant (500mm)\u003c\/strong\u003e in Altecnic's 128-360 hose range, suited to compact pipe runs where the connection continues in line with the heat pump.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eVibration-Reducing Flexible Hose\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe flexible construction absorbs movement from the heat pump's compressor and fan unit, \u003cstrong\u003ereducing vibration transfer\u003c\/strong\u003e into the rigid pipework.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSwivel \u0026amp; Compression Connections\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eA \u003cstrong\u003eswivel connection\u003c\/strong\u003e at the heat pump end allows easy alignment without twisting the hose, while a \u003cstrong\u003ecompression joint\u003c\/strong\u003e connects cleanly to standard copper pipework.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eWeatherproof Insulation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eSupplied with \u003cstrong\u003ethick weatherproof insulation\u003c\/strong\u003e (Aeroflex HF, 19mm) to reduce heat loss and protect against condensation on external runs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eStainless Steel Construction\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThe flexible hose, crimped sleeve and end connections are all manufactured from \u003cstrong\u003estainless steel\u003c\/strong\u003e, with \u003cstrong\u003ebrass\u003c\/strong\u003e nut and olive fittings and an \u003cstrong\u003eEPDM liner\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eBS EN Compliant Connections\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.55;\"\u003eThreaded connections comply with \u003cstrong\u003eBS EN ISO 228-1\u003c\/strong\u003e and compression ends with \u003cstrong\u003eBS EN 1252-2\u003c\/strong\u003e for use with R250 (half hard) copper tube.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; overflow:hidden; margin-bottom:20px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eAltecnic\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eProduct Code\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e128-3603\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eBody Style\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eStraight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eNominal Size\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eDN25\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003ePack Quantity\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e2 hoses (pair)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eConnections\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eHeat Pump End\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e1\" (G1) female swivel union\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003ePipework End\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e28mm compression joint\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eHose Length (A)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e500 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eThreaded Ends Standard\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eBS EN ISO 228-1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCompression Ends Standard\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eBS EN 1252-2 (for R250 half-hard copper tube)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003ePerformance\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMax. Pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e10 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eMax. Temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e90°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eMaterials\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eFlexible Hose\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eStainless steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eCrimped Sleeve\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eStainless steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eEnd Connections\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eStainless steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eNut \u0026amp; Olive\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eBrass\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eLiner\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eEPDM\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:13px; letter-spacing:0.04em; text-transform:uppercase; padding:9px 14px;\"\u003eInsulation (Aeroflex HF)\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eInside Diameter\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e35 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eOutside Diameter\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e73 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eThickness\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e19 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eTemperature Range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003e-50°C to 125°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eThermal Conductivity (EN ISO 8497, 40°C)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eλ ≤ 0.040 W\/(m·K)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eReaction to Fire\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eBS EN 13501 Class 1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eWater Vapour Diffusion Resistance (EN 13469)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eμ ≥ 3000\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:9px 14px; font-weight:600; font-size:14px; color:#2B2B2B;\"\u003eUV Resistance\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:9px 14px; font-size:14px; color:#2B2B2B;\"\u003eUV resistant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; border-radius:0 8px 8px 0; padding:14px 18px; margin:10px 0 18px 0; font-size:15px; color:#2B2B2B;\"\u003e\n\u003cstrong\u003ePlease Note:\u003c\/strong\u003e It is recommended that \u003cstrong\u003eisolation valves (not supplied)\u003c\/strong\u003e are fitted to the flow and return connections at the heat pump for ease of future maintenance.\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:0 8px 8px 0; padding:14px 18px; margin:10px 0 18px 0; font-size:15px; color:#2B2B2B;\"\u003e\n\u003cstrong\u003eGood to Know:\u003c\/strong\u003e This is the \u003cstrong\u003e500mm straight\u003c\/strong\u003e hose (ref. 128-3603). The same range also includes \u003cstrong\u003eangled versions\u003c\/strong\u003e and \u003cstrong\u003e300mm and 750mm lengths\u003c\/strong\u003e to suit different pipe run configurations.\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; letter-spacing:0.04em; text-transform:uppercase; padding:10px 16px; border-radius:6px; margin:28px 0 14px 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat length pipe run is this hose suited to?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThis is the \u003cstrong\u003e500mm straight\u003c\/strong\u003e variant, one of three lengths (300mm, 500mm and 750mm) available in Altecnic's 128-360 range, each offered in both straight and angled versions.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eHow many hoses are included?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe hoses are \u003cstrong\u003esupplied in pairs\u003c\/strong\u003e, covering the flow and return connections on the heat pump.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat size pipework does this hose connect to?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eThe pipework end uses a \u003cstrong\u003e28mm compression joint\u003c\/strong\u003e, complying with BS EN 1252-2 for use with R250 (half hard) copper tube.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eDoes the hose come insulated?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eYes, it is supplied with \u003cstrong\u003e19mm thick Aeroflex HF insulation\u003c\/strong\u003e, rated from -50°C to 125°C and UV resistant, to reduce heat loss on both internal and external pipe runs.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; font-size:15px; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eShould I fit isolation valves with this hose?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.6; background:#FFFFFF;\"\u003eYes, Altecnic recommends fitting \u003cstrong\u003eisolation valves (sold separately)\u003c\/strong\u003e to the flow and return connections at the heat pump to make future maintenance easier.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Altecnic","offers":[{"title":"Default Title","offer_id":65724395356509,"sku":"128-3603","price":63.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/AltecnicFlexibleHeatPumpHose500mmStraight1x28mm128-3603.jpg?v=1787934527","url":"https:\/\/qualityheating.co.uk\/products\/altecnic-flexible-heat-pump-hose-500mm-straight-1-x-28mm-128-3603","provider":"AIZO Quality Heating","version":"1.0","type":"link"}