{"product_id":"ideal-heating-25l-buffer-tank-ah700436-bt25","title":"Ideal Heating 25L Buffer Tank - AH700436 (BT25)","description":"\u003c!-- SEO Product Name: Ideal Heating 25L Buffer Tank - AH700436 (BT25) | AIZO Quality Heating --\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=\"line-height:1.7; margin:0 0 16px 0; font-size:16px;\"\u003eThe \u003cb\u003eIdeal Heating 25 Litre Buffer Tank (AH700436, BT25)\u003c\/b\u003e adds vital \u003cb\u003esystem water volume\u003c\/b\u003e to heat pump and heating installations, helping to prevent short-cycling on systems with low water content, multiple zones, or variable heating demand. By storing a reserve of heated water, the buffer tank \u003cb\u003esmooths flow temperature\u003c\/b\u003e, supports better defrost recovery, and reduces mechanical strain on the compressor.\u003c\/p\u003e\n\u003cp style=\"line-height:1.7; margin:0 0 16px 0; font-size:16px;\"\u003eBuilt for flexible \u003cb\u003ewall-hung installation\u003c\/b\u003e in either horizontal or vertical orientation, the BT25 is compatible with \u003cb\u003eIdeal Logic Air and HP290 air source heat pumps\u003c\/b\u003e, as well as biomass and conventional gas or oil boilers. Its insulated shell limits standing heat loss, keeping the tank efficient as a passive thermal store in both domestic and light-commercial systems.\u003c\/p\u003e\n\n    \u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -4px 26px -4px;\"\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e25 L\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eStorage Capacity\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e6 bar\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eMax Working Pressure\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e-10 to +110°C\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eOperating Temperature\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003eClass C\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eEnergy Efficiency\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e1″ \/ 1″¼\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eConnections\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1; min-width:110px; background:#008377CF; color:#FFFFFF; padding:16px 10px; text-align:center; border-radius:6px; margin:4px;\"\u003e\n            \u003cdiv style=\"font-size:19px; font-weight:700; line-height:1.2;\"\u003e12.5 kg\u003c\/div\u003e\n            \u003cdiv style=\"font-size:12px; font-weight:400; opacity:0.92; margin-top:4px;\"\u003eGross Weight\u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; padding:14px 18px; margin:0 0 18px 0; border-radius:4px;\"\u003e\n        \u003cdiv style=\"font-weight:700; color:#D32F2F; margin-bottom:4px; font-size:14px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eImportant: Wall Loading \u0026amp; Expansion Vessel Sizing\u003c\/div\u003e\n        \u003cdiv style=\"font-size:15px; color:#2B2B2B;\"\u003eThe tank \u003cb\u003emust be fixed to a load-bearing wall\u003c\/b\u003e of adequate strength — this is the installer's responsibility. The system's \u003cb\u003eexpansion vessel must also be sized to account for the buffer tank's water content\u003c\/b\u003e, in addition to the rest of the heating circuit.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; padding:14px 18px; margin:0 0 18px 0; border-radius:4px;\"\u003e\n        \u003cdiv style=\"font-weight:700; color:#E0942A; margin-bottom:4px; font-size:14px; text-transform:uppercase; letter-spacing:0.03em;\"\u003ePlease Note: 25L vs 50L — Check System Sizing\u003c\/div\u003e\n        \u003cdiv style=\"font-size:15px; color:#2B2B2B;\"\u003eThis is the \u003cb\u003e25 litre (BT25, AH700436)\u003c\/b\u003e variant. A \u003cb\u003e50 litre (BT50, AH700437)\u003c\/b\u003e version is also available with larger physical dimensions and connections in the same sizes — confirm the required buffer volume against the heat pump manufacturer's system design guidance before ordering.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; padding:14px 18px; margin:0 0 18px 0; border-radius:4px;\"\u003e\n        \u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:4px; font-size:14px; text-transform:uppercase; letter-spacing:0.03em;\"\u003eGood to Know: Compatible Heat Sources\u003c\/div\u003e\n        \u003cdiv style=\"font-size:15px; color:#2B2B2B;\"\u003eSuitable for use with \u003cb\u003eIdeal Logic Air and HP290 heat pumps\u003c\/b\u003e, biomass boilers, and traditional gas or oil boilers — making it a versatile addition to renewable and conventional heating systems alike.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:0 0 26px 0;\"\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eReduces Short-Cycling\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eAdded system volume stops the heat source switching on and off too frequently, which improves efficiency and extends compressor or burner lifespan.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eFlexible Wall Mounting\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eCan be installed horizontally or vertically on a wall bracket, helping it fit into plant rooms, airing cupboards, or garages where floor space is limited.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eInsulated Shell\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eThe tank body is insulated to minimise standing heat loss, so stored thermal energy isn't wasted between heating demand cycles.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eSupports Multi-Zone Systems\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eProvides a stable hydraulic buffer point for systems serving multiple heating circuits or zones with differing flow requirements.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eImproves Defrost Performance\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eThe stored water reserve helps maintain heat output to the property during an air source heat pump's defrost cycle.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; min-width:240px; background:#FAFDFD; border:1px solid #D9EDEA; border-radius:6px; padding:16px;\"\u003e\n            \u003cdiv style=\"font-weight:700; color:#00625D; margin-bottom:6px; font-size:15px;\"\u003eDual Connection Sizing\u003c\/div\u003e\n            \u003cdiv style=\"font-size:14px; color:#2B2B2B; line-height:1.6;\"\u003eFitted with both 1″ and 1¼″ connections, giving installers flexibility to match existing pipework without extra reducers.\u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003ctable style=\"width:100%; border-collapse:collapse; margin:0 0 26px 0; border:1px solid #D9EDEA;\"\u003e\n        \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd colspan=\"2\" style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:10px 14px; font-size:13px; letter-spacing:0.04em; text-transform:uppercase;\"\u003eProduct Identification\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eManufacturer\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eIdeal Heating\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eProduct\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e25 Litre Buffer Tank (BT25)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eManufacturer Part Number (MPN)\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eAH700436\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eGTIN \/ Barcode\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e3410537004360\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eCompatible With\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eIdeal Logic Air and HP290 air source heat pumps; biomass and conventional gas\/oil boilers\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd colspan=\"2\" style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:10px 14px; font-size:13px; letter-spacing:0.04em; text-transform:uppercase;\"\u003eTechnical Specification\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eStorage Capacity\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e25 litres\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eEnergy Efficiency Class\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eWaste Heat Loss\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e41 W\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eMaximum Working Pressure\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e6 bar\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eOperating Temperature Range\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e-10°C to +110°C\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eConnections\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e1″ and 1″¼\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eMounting Orientation\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eHorizontal or vertical, wall-hung\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eColour\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003eBlue\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd colspan=\"2\" style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:10px 14px; font-size:13px; letter-spacing:0.04em; text-transform:uppercase;\"\u003eDimensions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eDiameter (ØA)\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e220 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eOverall Height (I)\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e785 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eBody Height (H)\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e166 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eWidth (E)\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e450 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eDepth (F)\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e290 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eWall Bracket Centres (J)\u003c\/td\u003e\n            \u003ctd style=\"background:#FFFFFF; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e40 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; font-weight:600; color:#2B2B2B; font-size:14px; width:44%; border-bottom:1px solid #ECECEC;\"\u003eGross Weight (inc. packaging)\u003c\/td\u003e\n            \u003ctd style=\"background:#F4FAF9; padding:9px 14px; color:#2B2B2B; font-size:14px; border-bottom:1px solid #ECECEC;\"\u003e12.5 kg\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003cdiv style=\"margin:0 0 10px 0;\"\u003e\n        \u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\n            \u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:12px 16px; cursor:pointer; font-size:15px; list-style:none;\"\u003eWhat's the difference between the 25L and 50L buffer tanks?\u003c\/summary\u003e\n            \u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.65; background:#FAFDFD;\"\u003eThe \u003cb\u003e25L (BT25, AH700436)\u003c\/b\u003e and \u003cb\u003e50L (BT50, AH700437)\u003c\/b\u003e share the same connection sizes and pressure\/temperature ratings, but differ in physical dimensions, energy class figures, and heat loss — the 50L is taller and wider to accommodate the larger water volume. Sizing should be based on the heat pump manufacturer's minimum system volume requirement.\u003c\/div\u003e\n        \u003c\/details\u003e\n        \u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\n            \u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:12px 16px; cursor:pointer; font-size:15px; list-style:none;\"\u003eWhich heat pumps is this buffer tank compatible with?\u003c\/summary\u003e\n            \u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.65; background:#FAFDFD;\"\u003eIt's designed for use with the \u003cb\u003eIdeal Logic Air\u003c\/b\u003e range and the \u003cb\u003eIdeal HP290\u003c\/b\u003e, and is also suitable alongside biomass boilers and traditional gas or oil boiler systems.\u003c\/div\u003e\n        \u003c\/details\u003e\n        \u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\n            \u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:12px 16px; cursor:pointer; font-size:15px; list-style:none;\"\u003eCan the buffer tank be mounted horizontally?\u003c\/summary\u003e\n            \u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.65; background:#FAFDFD;\"\u003eYes, the tank supports \u003cb\u003eboth horizontal and vertical wall-hung installation\u003c\/b\u003e, giving installers flexibility depending on available plant room space.\u003c\/div\u003e\n        \u003c\/details\u003e\n        \u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\n            \u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:12px 16px; cursor:pointer; font-size:15px; list-style:none;\"\u003eDo I need to resize my expansion vessel when adding a buffer tank?\u003c\/summary\u003e\n            \u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.65; background:#FAFDFD;\"\u003eYes. The \u003cb\u003eadditional water volume of the buffer tank must be included\u003c\/b\u003e when calculating the system's total expansion vessel requirement, in line with the manufacturer's installation guidance.\u003c\/div\u003e\n        \u003c\/details\u003e\n        \u003cdetails style=\"border:1px solid #D9EDEA; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\n            \u003csummary style=\"background:#008377CF; color:#FFFFFF; font-weight:700; padding:12px 16px; cursor:pointer; font-size:15px; list-style:none;\"\u003eWhat connection sizes does the buffer tank use?\u003c\/summary\u003e\n            \u003cdiv style=\"padding:14px 16px; font-size:14px; color:#2B2B2B; line-height:1.65; background:#FAFDFD;\"\u003eThe BT25 is fitted with \u003cb\u003e1″ and 1¼″ connections\u003c\/b\u003e, allowing it to be plumbed into most domestic heat pump and boiler circuits without additional adaptors.\u003c\/div\u003e\n        \u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ideal Heating","offers":[{"title":"Default Title","offer_id":65409480655197,"sku":"AH700436","price":325.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IdealHeatingBufferTank.jpg?v=1785344410","url":"https:\/\/qualityheating.co.uk\/products\/ideal-heating-25l-buffer-tank-ah700436-bt25","provider":"AIZO Quality Heating","version":"1.0","type":"link"}