Vaillant ecoFIT Pure 425 Gas Open Vent Boiler (886KK)

£ 1116.09INC VAT

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Vaillant ecoFIT Pure 425 Gas Open Vent Boiler (886KK)

All Boilers and Boiler Accessories must be installed by a Qualified Gas Safe Registered professional. Order by 12pm to receive your order next working day. Orders placed after 12pm will be delivered within 2 working days. We are unable to ship to Northern Ireland and offshore addresses. We cannot accept the return of unwanted boilers if the box/packaging has been opened (your statutory rights are not affected).

Ultra-quiet operation, small footprint and total flexibility of siting (with top and rear flue options). The automatic purging assistance and high specification, aluminium heat exchanger makes for a lightweight installation. High quality and high efficiency, together with the complete availability of spare parts and the easy accessibility of the unit layout mean the ecoFIT pure is easy to maintain too. Compatible with Vaillants intelligent controls for a convenient and energy efficient system.

  • Max. Central Heating Output: 26.5kW
  • Aluminium Heat Exchanger
  • Top or Rear Flue Outlet
  • Compatible with the Unistor Range of Cylinders
  • Compatible with Solar Panels
  • 2 Year Manufacturer’s Guarantee (Registration Required, T&Cs Apply)
  • 86,665BTU
  • Digital Display

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£1116.09INC VAT

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Vaillant ecoFIT Pure 425 Gas Open Vent Boiler is rated 5.0 out of 5 by 1.
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Rated 5 out of 5 by from Good boiler. I've fitted one so far of this Ecofit Pure open vented model (425) and 6 or 7 of the combi version (825, 830, 835). Haven't fitted the system boiler version yet (625 etc.) from this range but FYI it's the same dimensions as the combi and the system version pipes are all at the bottom. This 425 version has 22mm flow and return pipes at the top left and 15mm gas pipe at the bottom middle. Condensate easy to connect at bottom left. Note: this boiler utilises a (non-optional) pump overrun so the pump must be wired to the boiler and the system requires an auto bypass. Vaillant prefer Adey, Fernox or Sentinel flushing chemicals as stated in the manual. Parameters are adjustable, boiler very quiet in operation. It isn't opentherm compatible but you can use Vsmart ebus control if a special Vaillant wiring centre is installed to an s-plan or y -plan. Or HIVE, Nest or any other 230V controls work via 230V connections. This is around the exact same physical size as an Ideal Icos if you are looking to replace one of these on an open vented system with limited cupboard space. All servicing/component access is from the front and everything appears easy enough to work on. I'm pleased Screwfix is stocking Vaillant boilers again.
Date published: 2021-02-26
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Interested in Valiant boiler
Asked by: Nikname
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Specification
Boiler Depth 350 mm
Boiler Height 756 mm
Boiler Type Open Vent
Boiler Width 459 mm
Brand Vaillant
BTU 86,665 BTU
CALC - Fuel Type Gas
Colour White
Compatible Cylinder Compatible with the Unistor Range of Cylinders
Compatible with Solar Panels Compatible with Solar Panels
Display Type Digital Display
Energy Rating (Heating) A
Fitting Requirements Must be Fitted by a Gas Safe Registered Installer
Fixing Jig Supplied Fixing Jig Supplied
Flue Connection Diameter 60 / 100 mm
Flue Outlet Position Top or Rear Flue Outlet
Flue Supplied Flue Not Supplied
Frost Protection Frost Protection
Fuel Type Gas
LPG Conversion Kit Supplied Not LPG Compatible
Manufacturer Guarantee 2 Year Manufacturer’s Guarantee (Registration Required, T&Cs Apply)
Max. Heat Output CH (Pn) 26.5 kW
Model Name/No ecoFIT Pure 425
Pack Size 1
Parent Colour White
Pieces in Pack/Case 1
Product Returns Note We cannot accept the return of unwanted boilers if the box/packaging has been opened (your statutory rights are not affected).
Product Type Boiler
Range Name ecoFIT Pure
SAP Seasonal Efficiency 89.7 %
Sound Pressure Level 52 dBA
Suitable for Underfloor Heating Suitable for Underfloor Heating
Temperature Range (Heating) 10-80 °C
Total Product Weight 25 kg

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