{"product_id":"vaillant-arotherm-plus-v2-3-phase-10kw-12kw-without-interface","title":"Vaillant aroTHERM Plus v2 3-Phase (10kW \/ 12kW) without Interface","description":"\u003c!-- SEO Product Name: Vaillant aroTHERM Plus v2 3-Phase (10kW \/ 12kW) without Interface --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; font-family:Arial, Helvetica, sans-serif; color:#222222; line-height:1.6;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eVaillant aroTHERM plus v2, 3-phase\u003c\/strong\u003e, in \u003cstrong\u003e10kW and 12kW\u003c\/strong\u003e outputs, is the \u003cstrong\u003e400V three-phase\u003c\/strong\u003e version of Vaillant's next-generation flagship air source heat pump, supplied here \u003cstrong\u003ewithout an interface\u003c\/strong\u003e (heat pump only). Designed for properties with a three-phase electrical supply, or where a lower per-phase current draw is preferred, this monobloc unit uses the natural refrigerant \u003cstrong\u003eR290\u003c\/strong\u003e and shares the same high-efficiency, low-noise platform as the single-phase aroTHERM plus v2 range, including Vaillant's \u003cstrong\u003eFlexible Space Function\u003c\/strong\u003e for reduced installation clearances.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eUp to 75°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eMax Flow Temperature\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e400V\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eThree-Phase Supply\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eR290\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eNatural Refrigerant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eGWP 0.02\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003e10-Year Global Warming Potential\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e211kg\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eWeight, Ready for Operation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e14A\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eRated Current, Maximum\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-left:4px solid #008377CF; background:#E6F6F5; padding:12px 16px; margin:16px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:4px;\"\u003eLower Per-Phase Current Draw\u003c\/div\u003e\n\u003cdiv style=\"color:#333333;\"\u003eSpreading the electrical load across three phases reduces the maximum rated current to just \u003cstrong\u003e14A\u003c\/strong\u003e, compared to 25A on the single-phase 230V equivalent, which can simplify the electrical supply design on some properties.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #946200; background:#FFF4DE; padding:12px 16px; margin:16px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#946200; margin-bottom:4px;\"\u003eSupplied Without Interface\u003c\/div\u003e\n\u003cdiv style=\"color:#333333;\"\u003eThis listing covers the \u003cstrong\u003eheat pump unit only\u003c\/strong\u003e. A VWZ AI control module, hydraulic module, or uniTOWER pre-plumbed indoor unit must be selected separately depending on the system design.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:4px solid #B3261E; background:#FDECEA; padding:12px 16px; margin:16px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#B3261E; margin-bottom:4px;\"\u003eQualified Electrical Installation Required\u003c\/div\u003e\n\u003cdiv style=\"color:#333333;\"\u003eThree-phase (400V) electrical devices must be installed by a suitably qualified electrical contractor in accordance with \u003cstrong\u003eBS 7671 IET Wiring Regulations\u003c\/strong\u003e. All Vaillant heat pumps must be installed with a \u003cstrong\u003eType B RCD\u003c\/strong\u003e rated to 20kHz or greater with a minimum trigger point of 150mA above 1kHz. Confirm the property's electrical supply arrangement and DNO requirements before specifying a three-phase heat pump.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eThree-Phase Electrical Supply\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eDrawing power across three phases rather than one reduces the per-phase current demand compared to an equivalent single-phase unit, which can simplify the electrical supply design on some properties.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eFlexible Space Function\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eShares the v2 platform's significantly reduced protection zone around the outdoor unit, providing greater freedom when positioning the heat pump on site once activated in the installer settings.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eHigh Flow Temperatures, Low GWP\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eDelivers flow temperatures of up to \u003cstrong\u003e75°C\u003c\/strong\u003e, while R290's 10-year GWP of just \u003cstrong\u003e0.02\u003c\/strong\u003e makes it significantly more climate-friendly than the traditionally assumed value of 3 often quoted for R290 systems.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eHigh-Output Range\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eAt 10kW and 12kW, these are the largest outputs in the aroTHERM plus v2 range, suited to larger homes or properties with higher simultaneous heating and hot water demand.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eTwin-Fan Design\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eFitted with two fans to move the higher air volume of \u003cstrong\u003e5100m³\/h\u003c\/strong\u003e maximum required at this output, maintaining efficient heat exchange at higher capacities.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:250px; border:1px solid #e0e0e0; border-radius:8px; padding:16px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eUp to 7-Year Extended Guarantee\u003c\/div\u003e\n\u003cdiv style=\"color:#333333; font-size:14px; line-height:1.5;\"\u003eThe aroTHERM plus v2 comes with an extended guarantee of up to 7 years when registered with a Vaillant cylinder on myREWARDS.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eModel Variants in This Range\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"background:#008377CF; color:#ffffff; padding:8px 12px; text-align:left;\"\u003eOutput\u003c\/th\u003e\n\u003cth style=\"background:#008377CF; color:#ffffff; padding:8px 12px; text-align:left;\"\u003eVaillant Article Number\u003c\/th\u003e\n\u003cth style=\"background:#008377CF; color:#ffffff; padding:8px 12px; text-align:left;\"\u003eRated Current\u003c\/th\u003e\n\u003cth style=\"background:#008377CF; color:#ffffff; padding:8px 12px; text-align:left;\"\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e10kW (400V)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e8000049529\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e14A\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e211kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e12kW (400V)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e8000049530\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e14A\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e211kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0; font-size:14px;\"\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px;\"\u003eGeneral\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e1480mm x 1100mm x 450mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eWeight, ready for operation\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e211kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eHeating Circuit Connection\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eG 1¼\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eIP Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIPX4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eFan Quantity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eFan Air Flow, Maximum\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5100 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px;\"\u003eElectrical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eRated Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e400V (+10%\/-15%), 50Hz, 3~\/N\/PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eRated Current, Maximum\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e14A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eFuse Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eCharacteristic C, slow-blow, single-pole switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eRCD Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eType B, rated to 20kHz or greater, min. trigger 150mA above 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px;\"\u003eHeating Circuit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eHeating Water Temperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e20°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eMinimum \/ Maximum Volume Flow\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e1075 L\/h \/ 2065 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eMaximum Static Height Difference (outdoor to highest point)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e13m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eMinimum \/ Maximum Operating Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e0.5 bar \/ 2.5 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eWater Volume in the Outdoor Unit\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4.5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px;\"\u003eRefrigerant Circuit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eFluid Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eR290\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eFluid Fill Quantity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e1.3kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eGlobal Warming Potential (GWP), 10-year\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eCompressor Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eScroll compressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eCompressor Oil Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSpecific polyalkylene glycol (PAG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px;\"\u003eNoise \u0026amp; Efficiency\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eEnergy Efficiency Class, 35°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eA+++\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px 12px; font-weight:600; width:45%;\"\u003eEnergy Efficiency Class, 55°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eA+++\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"margin:20px 0;\"\u003e\n\u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eWhat does 'without Interface' mean for this heat pump?\u003c\/summary\u003e\n\u003cdiv style=\"padding:12px 14px; color:#333333; font-size:14px; line-height:1.5;\"\u003eIt means the listing is for the \u003cstrong\u003eoutdoor heat pump unit only\u003c\/strong\u003e. The VWZ AI control module, hydraulic module, or uniTOWER indoor unit must be selected and ordered separately based on the intended system design.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eWhy choose a three-phase (400V) heat pump over single-phase?\u003c\/summary\u003e\n\u003cdiv style=\"padding:12px 14px; color:#333333; font-size:14px; line-height:1.5;\"\u003eA three-phase supply spreads the electrical load across three phases rather than one, reducing the maximum rated current to \u003cstrong\u003e14A\u003c\/strong\u003e versus 25A on the single-phase 230V equivalent. This can be preferable on properties that already have a three-phase supply, or where the local electrical infrastructure or DNO favours a lower single-phase current.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eCan I install a three-phase heat pump on a single-phase domestic supply?\u003c\/summary\u003e\n\u003cdiv style=\"padding:12px 14px; color:#333333; font-size:14px; line-height:1.5;\"\u003eNo. A three-phase heat pump requires a genuine \u003cstrong\u003e3-phase, 400V electrical supply\u003c\/strong\u003e. Confirm the property's electrical arrangement with a qualified electrician before specifying this model.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eWhat is the difference between this and the single-phase 10kW\/12kW aroTHERM plus v2?\u003c\/summary\u003e\n\u003cdiv style=\"padding:12px 14px; color:#333333; font-size:14px; line-height:1.5;\"\u003eThe heating performance, refrigerant circuit, and physical dimensions are essentially the same platform; the key differences are the electrical supply requirement (400V three-phase vs 230V single-phase) and a slightly higher operating weight (211kg vs 196kg) due to the three-phase electrical components.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eIs DNO notification required before installing a three-phase heat pump?\u003c\/summary\u003e\n\u003cdiv style=\"padding:12px 14px; color:#333333; font-size:14px; line-height:1.5;\"\u003eYes. All heat pump installations, including three-phase units, require notification or application to the local Distribution Network Operator (DNO) before or shortly after connection – confirm current requirements for the specific installation address.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"10kW 3-PH","offer_id":65281444184413,"sku":"8000049529","price":6500.0,"currency_code":"GBP","in_stock":true},{"title":"12kW 3-PH","offer_id":65281444217181,"sku":"8000049530","price":7300.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantaroTHERMPlusv210kW.jpg?v=1784288950","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-arotherm-plus-v2-3-phase-10kw-12kw-without-interface","provider":"AIZO Quality Heating","version":"1.0","type":"link"}