{"product_id":"vaillant-arotherm-45-litre-wall-hung-buffer-vessel-for-air-source-heat-pumps","title":"Vaillant aroTHERM 45 Litre Wall-Hung Buffer Vessel for Air Source Heat Pumps","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6; color: #1a1a1a; max-width: 900px; margin: 0 auto; font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;\"\u003e\n\u003cp style=\"font-size: 17px; line-height: 1.65; margin: 0 0 18px 0;\"\u003eThe \u003cstrong\u003eVaillant aroTHERM 45 Litre Buffer Vessel\u003c\/strong\u003e (article number \u003cstrong\u003e0010038365\u003c\/strong\u003e) is a \u003cstrong\u003ewall-hung 45-litre buffer tank\u003c\/strong\u003e engineered specifically for the Vaillant \u003cstrong\u003earoTHERM plus air-source heat pump range\u003c\/strong\u003e. It provides the additional system water volume the heat pump needs to \u003cstrong\u003eprotect against short-cycling, ensure clean defrost cycles\u003c\/strong\u003e and maintain stable flow temperatures — improving seasonal efficiency and component life.\u003c\/p\u003e\n\u003cp style=\"font-size: 17px; line-height: 1.65; margin: 0 0 22px 0;\"\u003eSupplied as a complete pack with the buffer, \u003cstrong\u003efour 28 mm conversion fittings\u003c\/strong\u003e for direct connection to standard UK heating pipework, and a \u003cstrong\u003eVR 10 NTC temperature sensor\u003c\/strong\u003e that fits the buffer's integral sensor pocket. The vessel features \u003cstrong\u003esix G 1¼\" connections\u003c\/strong\u003e for hybrid, cascade and decoupled-buffer layouts, \u003cstrong\u003efactory-fitted insulation\u003c\/strong\u003e achieving an \u003cstrong\u003eErP class B\u003c\/strong\u003e standing-loss rating, and a tidy outer case for a clean installed finish.\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 24px 0;\"\u003e\n\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003earoTHERM plus Compatible\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003e45 L Capacity\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003e6 × G 1¼\" Tappings\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003eSensor Pocket\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003eWall-Hung\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003eErP Class B\u003c\/span\u003e\u003cspan style=\"display: inline-block; background: #008377CF; color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin: 0 6px 8px 0;\"\u003eVR 10 Sensor Included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(140px,1fr)); gap: 12px; margin: 0 0 26px 0;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 26px; font-weight: bold; color: #005c54; line-height: 1;\"\u003e45 L\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #4a5a5a; margin-top: 6px; font-weight: 600; letter-spacing: 0.3px;\"\u003eBUFFER VOLUME\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 26px; font-weight: bold; color: #005c54; line-height: 1;\"\u003e6 + 1\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #4a5a5a; margin-top: 6px; font-weight: 600; letter-spacing: 0.3px;\"\u003eTAPPINGS + SENSOR PORT\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 26px; font-weight: bold; color: #005c54; line-height: 1;\"\u003eG 1¼\"\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #4a5a5a; margin-top: 6px; font-weight: 600; letter-spacing: 0.3px;\"\u003eCONNECTION SIZE\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 26px; font-weight: bold; color: #005c54; line-height: 1;\"\u003eErP B\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #4a5a5a; margin-top: 6px; font-weight: 600; letter-spacing: 0.3px;\"\u003eSTANDING-LOSS CLASS\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 26px; font-weight: bold; color: #005c54; line-height: 1;\"\u003eWall-Hung\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #4a5a5a; margin-top: 6px; font-weight: 600; letter-spacing: 0.3px;\"\u003eMOUNTING\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff5f5; border-left: 4px solid #d32f2f; padding: 12px 18px; margin: 0 0 14px 0; border-radius: 4px;\"\u003e\n\u003cstrong style=\"color: #b71c1c;\"\u003eProfessional installation required.\u003c\/strong\u003e \u003cspan style=\"color: #3a3a3a;\"\u003eHeat pump system component — must be installed and commissioned by a Vaillant-trained or MCS-registered heat pump engineer in line with the aroTHERM plus installation manual. Pairing with non-Vaillant heat pumps is not supported and will likely void warranty conditions on the system controller.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f57c00; padding: 12px 18px; margin: 0 0 14px 0; border-radius: 4px;\"\u003e\n\u003cstrong style=\"color: #e65100;\"\u003eHybrid \u0026amp; cascade systems.\u003c\/strong\u003e \u003cspan style=\"color: #3a3a3a;\"\u003eThe six G 1¼\" tappings allow the buffer to be configured as a \u003cstrong\u003edecoupled 4-pipe buffer, return volumiser, hybrid buffer or cascade header\u003c\/strong\u003e. Refer to the aroTHERM plus Installer's Quick Guide for the four supported flow-and-return layouts (A–D).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #e6f4f3; border-left: 4px solid #008377; padding: 12px 18px; margin: 0 0 26px 0; border-radius: 4px;\"\u003e\n\u003cstrong style=\"color: #005c54;\"\u003eTypical application.\u003c\/strong\u003e \u003cspan style=\"color: #3a3a3a;\"\u003eDomestic and light-commercial aroTHERM plus installs where a buffer is required to meet minimum-system-volume requirements, guarantee defrost performance, or hydraulically separate the heat pump from a zoned emitter circuit — particularly common on TRV-controlled radiator systems and multi-zone underfloor heating.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 12px 20px; margin: 28px 0 16px 0; border-radius: 6px; font-size: 18px; font-weight: bold; letter-spacing: 0.3px;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 14px; margin: 0 0 28px 0;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eDesigned for aroTHERM plus\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003eEngineered specifically for the Vaillant \u003cstrong\u003earoTHERM plus range\u003c\/strong\u003e (3.5 \/ 5 \/ 7 \/ 10 \/ 12 kW). Fitting and connection sizes match the published aroTHERM plus hydraulic schematics out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eSix Connection Tappings\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003eSix \u003cstrong\u003eG 1¼\"\u003c\/strong\u003e tappings allow flexible system design — hybrid layouts linking heat pump and a second heat source, four-pipe decoupled buffers, return volumisers, or cascade headers across multiple aroTHERM plus units.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eVR 10 Sensor Included\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003eSupplied with a genuine \u003cstrong\u003eVaillant VR 10 NTC temperature sensor\u003c\/strong\u003e that fits the integral sensor pocket — feeding accurate buffer-tank temperature back to the aroTHERM controller for tighter heat-pump output modulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eFour 28 mm Conversion Fittings\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003eThe pack includes \u003cstrong\u003efour conversion fittings\u003c\/strong\u003e stepping the G 1¼\" tappings down to \u003cstrong\u003e28 mm compression\u003c\/strong\u003e — the standard primary pipework size on aroTHERM plus installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eWall-Hung \u0026amp; Insulated\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003e\u003cstrong\u003eWall-mounted format\u003c\/strong\u003e keeps the plant-room footprint small, and \u003cstrong\u003efactory-fitted insulation\u003c\/strong\u003e in a smart outer case keeps standing losses to ErP class B levels with no field-applied lagging required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 8px; padding: 18px;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; color: #005c54; padding-bottom: 6px; border-bottom: 2px solid #008377; display: inline-block; margin-bottom: 10px;\"\u003eHybrid System Ready\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14.5px; line-height: 1.55; color: #2a2a2a;\"\u003eUse the buffer to \u003cstrong\u003elink two heat sources\u003c\/strong\u003e (heat pump plus boiler or solar thermal) into one heating circuit — the foundation for a properly hydraulically-separated hybrid system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 12px 20px; margin: 28px 0 16px 0; border-radius: 6px; font-size: 18px; font-weight: bold; letter-spacing: 0.3px;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0 0 28px 0; font-size: 14.5px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eVaillant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003earoTHERM 45 litre buffer vessel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eArticle number (MPN)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003e0010038365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eBuffer capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003e45 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eFormat\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eWall-hung\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eNumber of connections\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003e6 × G 1¼\" + 1 × G ½\" sensor pocket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eConnection size\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eG 1¼\" (with 4 × 28 mm conversion fittings supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eHeat pump compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eVaillant aroTHERM plus 3.5 \/ 5 \/ 7 \/ 10 \/ 12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eSystem layouts supported\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eDecoupled 4-pipe buffer, return volumiser, hybrid buffer, cascade header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eInsulation\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eFactory-fitted, high-performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eErP standing-loss class\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eSensor included\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eVR 10 NTC temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003ePackage contents\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eBuffer + 4 × 28 mm conversion fittings + VR 10 sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eApproximate dimensions (H × W × D)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eApprox. 939 × 467 × 365 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3; font-weight: 600; width: 45%;\"\u003eWeight (net)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 14px; border: 1px solid #c8e6e3;\"\u003eApprox. 20 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 12px 20px; margin: 28px 0 16px 0; border-radius: 6px; font-size: 18px; font-weight: bold; letter-spacing: 0.3px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 18px; margin: 0 0 10px 0;\"\u003e\n\u003csummary style=\"font-weight: 600; color: #005c54; cursor: pointer; font-size: 15.5px;\"\u003eWhy does an aroTHERM plus need a buffer vessel?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 14.5px; line-height: 1.6;\"\u003eHeat pumps work most efficiently when they run for long, steady cycles. If the system water volume is too small, the heat pump can \u003cstrong\u003eshort-cycle\u003c\/strong\u003e — switching on and off rapidly, wearing components and reducing efficiency. A buffer adds the necessary volume so the compressor can run a sensible minimum cycle, ensures there's enough water on the system side for a clean \u003cstrong\u003edefrost cycle\u003c\/strong\u003e, and hydraulically separates the heat pump from TRV-controlled or zoned circuits where flow can change abruptly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 18px; margin: 0 0 10px 0;\"\u003e\n\u003csummary style=\"font-weight: 600; color: #005c54; cursor: pointer; font-size: 15.5px;\"\u003eCan I use it with a non-Vaillant heat pump?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 14.5px; line-height: 1.6;\"\u003eVaillant supplies and warranties this product specifically as part of the aroTHERM plus system. \u003cstrong\u003eUse with another manufacturer's heat pump is not supported\u003c\/strong\u003e, and the included VR 10 sensor is intended for the Vaillant controller's input rather than third-party controls.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 18px; margin: 0 0 10px 0;\"\u003e\n\u003csummary style=\"font-weight: 600; color: #005c54; cursor: pointer; font-size: 15.5px;\"\u003eWhich system layout should I use?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 14.5px; line-height: 1.6;\"\u003eThe aroTHERM plus Installer's Quick Guide shows four buffer configurations: \u003cstrong\u003e(A) decoupled 4-pipe heat-pump buffer\u003c\/strong\u003e, \u003cstrong\u003e(B) buffer as return volumiser\u003c\/strong\u003e, \u003cstrong\u003e(C) hybrid with decoupled buffer\u003c\/strong\u003e, and \u003cstrong\u003e(D) hybrid using heat pump for system circulation\u003c\/strong\u003e. Choose based on whether the system is heat-pump only or hybrid, and whether the heat pump or a separate system pump handles emitter-side circulation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 18px; margin: 0 0 26px 0;\"\u003e\n\u003csummary style=\"font-weight: 600; color: #005c54; cursor: pointer; font-size: 15.5px;\"\u003eAre the fittings supplied with the buffer?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 0; font-size: 14.5px; line-height: 1.6;\"\u003eYes — the pack includes the buffer, \u003cstrong\u003efour 28 mm conversion fittings\u003c\/strong\u003e for the G 1¼\" tappings, and a \u003cstrong\u003eVR 10 temperature sensor\u003c\/strong\u003e. Additional sensors, ball-filter valves and low-loss headers are available separately as Vaillant aroTHERM accessories.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 22px; border-radius: 6px; margin: 30px 0 0 0; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 16px; font-weight: bold; margin-bottom: 6px;\"\u003ePair It With\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; opacity: 0.95;\"\u003eThe Vaillant \u003cstrong\u003earoTHERM plus\u003c\/strong\u003e heat pump range, \u003cstrong\u003euniSTOR\u003c\/strong\u003e heat-pump cylinders, \u003cstrong\u003eWH40 \/ WH95 low-loss headers\u003c\/strong\u003e and the \u003cstrong\u003e28 mm ball filter valve\u003c\/strong\u003e — all available as genuine Vaillant accessories from Quality Heating.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":64535494361437,"sku":"10038365","price":730.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantaroTHERM45LitreWall-HungBufferVesselforAirSourceHeatPumps0010038365.webp?v=1777291204","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-arotherm-45-litre-wall-hung-buffer-vessel-for-air-source-heat-pumps","provider":"AIZO Quality Heating","version":"1.0","type":"link"}