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 4.7 stars

1,247 reviews

 4.7 stars

1,247 reviews

Vaillant EcoFIt sustain 835 Combi Gas Boiler

Vaillant EcoFIt sustain 835 Combi Gas Boiler Boiler
Typical Price (inc VAT)
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
Total Cost
£2,100 - £2,600

This boiler is discontinued.

Need a repair instead? Get a repair quote
Make Vaillant
Model EcoFIt sustain 835 Combi Gas Boiler
Is Condensing Condensing
Efficiency Rating 89.3%
Band Rating B Rated
LPG Compatible No
Standard Warranty 5 Years
Central Heating Max. Output 35kW
Mounting Wall Mounted
Flow Rate 14.4 l/hr
Typical Price (inc VAT) £1,300
Typical installation Cost (inc VAT)* £500 - £1000
Sundries (Filter, Flue, etc) £300
Total Cost £2,100 - £2,600
ERP Rating A Heat A Water

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

This boiler is discontinued.

Need a repair instead? Get a repair quote
Product Description

The Vailant Sustain Range is available to Specifiers only but is still available in the comparison tool. The EcoFIT Sustain is a combi gas boiler that has been made and manufactured by vaillant. This boiler is a highly efficient condensing wall mounted unit. With it being a system boiler it directly heats your central heating system and hot water for a storage cylinder. Most of the important parts of the hot water and heating system, such as the pump and expansion vessel, are built-in on a system boiler - making it quicker and cleaner to install. It also means you get a faster response to demand for heating and hot water, plus you don’t need to have a feed and expansion tank in the loft.

It comes with an output of 35kW and an efficiency rating of 89.3% making it a B rated boiler. It also comes in a wide range of other outputs such as the 12kW, 15kW, 18kW, 25kW and 30kW and 35kW, so you can be sure there'll be an unit in this range that will fit your homes heating demand. It features ultra-quiet operation, small footprint, total flexibility of siting and includes a rear flue option, helping it to be able to be placed anywhere (including cupboards).

Coming with automatic purging assistance and high spec as well as an aluminium heat exchange it’s easy to install and a lightweight boiler. It comes with a wide range of available spare parts and is easy to access - making this boiler super easy to maintain. coming with a clear LED display, helping to offer visibility in a dimly lit area - making it easier to install and use. The EcoFIT comes with a system that is able to pick up faults, giving you Vaillant’s easily recognisable error codes making it easy to find out the problem in the unlikely event that it goes wrong.

This the unit comes with a high specification aluminium heat exchanger that is designed for the unit to last longer, maintain easier and reduce energy bills. It comes with high quality components to give you peace of mind through the lifetime of the product. It comes with industry leading flue lengths, with a 10m flue length across all of the EcoFIT range. It boasts 4 sided cooling and water agitation of the heat exchanger, helping to reduce stress on the heat exchanger - giving it a longer life reliability and reducing the maintenance cost. This boiler is compatible with Vaillants intelligent range of controls - another great way in which it can make your system even more reliable than it already is as well as cut down the cost of your bills further. This boiler also comes with 5 years warranty.

This boiler is discontinued.

Need a repair instead? Get a repair quote

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Excellent 4.7 out of 5

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