Ideal Atlantic C35 Combi Boiler, Horizontal Flue & MagnaClean Micro1 Filter (MPNs: 223493 + 208173 + FL1-03-07129) is a complete boiler and accessories pack designed for straightforward wall‑flue installations. It pairs the Ideal Atlantic C35 35kW combi boiler with a standard horizontal flue kit and an Adey MagnaClean Micro1 22mm magnetic filter, giving installers everything needed for a compact, efficient and well‑protected combi system.
What’s Included
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Ideal Atlantic C35 Combi Boiler (MPN: 223493) – 35kW condensing gas combi boiler with built‑in timer and compact cupboard‑fit case.
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Ideal Standard Horizontal Flue Kit (MPN: 208173) – telescopic horizontal flue terminal and fittings for direct through‑the‑wall flue runs.
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Adey MagnaClean Micro1 Filter 22mm (MPN: FL1-03-07129) – compact in‑line magnetic system filter to protect the boiler and central heating circuit.
Ideal Atlantic C35 Combi Boiler – Key Features
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35kW high‑output combi – domestic hot water output around 35kW with a flow rate of approximately 14.5 litres per minute at a 35°C rise, ideal for homes with two bathrooms or higher hot water demand.
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ErP A‑rated efficiency – A‑rated for both space heating and hot water, helping to cut fuel bills and carbon emissions.
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Compact cupboard fit – typical dimensions 700mm (H) x 395mm (W) x 285mm (D), suitable for installation in a standard kitchen cupboard.
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Built‑in mechanical timer – integrated clock/programmer allows simple time control without additional controls.
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Quick and simple installation – light, compact cabinet with accessible pipe connections and internal components.
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Frost protection – built‑in boiler frost protection supports siting in cooler locations such as lofts and garages (subject to guidance).
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Suitable for larger homes – central heating output up to around 35kW (around 119,000 BTU/h) supports systems with more radiators and higher space‑heating loads.
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Fuel type: natural gas, sealed, fan‑flued, fully modulating condensing combi boiler.
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Typical warranty: 5‑year parts and labour warranty when installed and registered in accordance with Ideal’s terms.
Ideal Horizontal Flue Kit – Key Features
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Standard horizontal flue – telescopic horizontal flue terminal designed for direct through‑the‑wall installations from the rear or side of the boiler.
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Compatible with Atlantic range – uses the same flue interface as other Ideal Logic/Atlantic‑family boilers (check installation manual to confirm flue configuration).
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Push‑fit, twist‑lock assembly – easy to assemble with secure joints, speeding up installation and alignment.
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Integrated terminal guard – neat external appearance and compliant terminal for safe flue gas discharge and air intake.
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Ideal where side‑wall flues are possible – suits most standard house types where a horizontal terminal can exit through an external wall.
MagnaClean Micro1 Filter – Key Features
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Compact 22mm magnetic filter – small‑footprint in‑line filter designed for tight spaces beneath boilers.
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High‑performance magnet – captures magnetite sludge and metallic debris to protect the boiler’s heat exchanger, pump and valves.
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Slip‑socket isolation valves – 22mm compression valves with approximately 98mm pipe cut‑out for quick retrofit and installation.
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Service, vent and drain points – allows easy sludge removal and can be used in conjunction with Adey flushing equipment.
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Helps maintain efficiency – cleaner system water supports sustained boiler efficiency and reduces the likelihood of future faults.
Why Choose This C35 Horizontal Flue Pack?
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All‑in‑one solution – boiler, horizontal flue kit and magnetic filter supplied together to simplify ordering and specification.
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Ideal for standard wall‑flue installs – perfect where a straightforward horizontal flue through an external wall is the preferred option.
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Built‑in protection from day one – MagnaClean Micro1 filter helps keep the system clean, supporting boiler performance and warranty conditions.
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Great match for 3–4 bedroom homes – 35kW output and 14.5 l/min DHW performance suit many larger properties with two bathrooms or multiple outlets in regular use.
Installation Notes
- All gas, flue and electrical works must be carried out by suitably qualified engineers (e.g. Gas Safe registered) following Ideal’s installation manual and current UK regulations.
- Horizontal flue length, fall, terminal position and clearance distances must comply with Ideal’s flueing tables and BS 5440 requirements.
- Fit the MagnaClean Micro1 on the boiler return, with adequate clearance for servicing and sludge removal, and thoroughly flush and treat the system before commissioning.
- Commission the boiler, flue and filter correctly, add inhibitor, and register the installation to validate the manufacturer’s warranty.
