Vaillant
Vaillant ecoFIT Sustain Combi Boiler - All Models
Vaillant ecoFIT Sustain Combi Boiler - All Models
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SKU:105526
Est Delivery between 6th Feb and
12th Feb.

Add 2 more Items to qualify for £62 delivery on your Vaillant Boilers order
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Product Information
The Vaillant ecoFIT sustain range of combination boilers offers an excellent size-to-output ratio, providing great comfort whilst ensuring a small footprint. The range features 25, 30 and 35kW models to suit all types of homeowner and tenant properties.
Key Features:
- The ecoFIT Sustain offers siting flexibility, including cupboard fit
- Top and rear flue options - For flexible siting options in a wide variety of properties
- High SAP performance - Helps reduce new build cost. Highly efficient and economical to run up to an 89.3% efficiency rating (SAP 2009)
- High-quality lightweight aluminium heat exchanger - Lightweight, compact design offers long life with an excellent power-to-weight ratio makes installs/maintenance easier
- Patented 4 sided cooling - Reduces stress on all components to minimise the cost of maintenance over the life of the product
- Patented condensate trap - Easy install with a safety back-up
- Fully modulating low NOx burner and fan - For improved energy efficiency
- Recognised Grundfos high-efficiency pump - Modulating high-torque pump uses low energy to deliver a balanced output to meet the boiler demand helping to reduce energy consumption
- Warm start function - Provides tenants with instant hot water
- Modulation range up to a 1:5 - Ensuring low energy consumption and maximum efficiency
- Clear bright LCD display - Easy to read boiler wherever it is sited
- Up to 10m flue lengths - Allows maximum flexibility for location of the boiler
- Controls compatibility - The wide range of Vaillant room thermostats, wired & wireless controls including the vSMART™ app-based controls with weather compensation to lower running costs for tenants
- Quiet Mark accredited - Thanks to being ultra-quiet whilst in operation
- ErP 'A' Rated product - Suitable for both refurbishment and new build with lower running cost to reduce heating bills
Technical data | ecoFIT sustain 825 | ecoFIT sustain 830 | ecoFIT sustain 835 |
---|---|---|---|
Boiler type | Combi | Combi | Combi |
Signature model output | 25kW | 30kW | 35kW |
Article number | 0010020392 | 0010020393 | 0010020394 |
Gas Council number | 47-044-71 | 47-044-72 | 47-044-73 |
Boiler dimensions (HxWxD) | 700 x 390 x 295 | 700 x 390 x 295 | 700 x 390 x 295 |
Technical Specifications
Boiler type | Combi |
Bottom clearance | 150mm |
Brand | Vaillant |
Depth | 295mm |
Erp efficiency | 93 |
Flow temperature range | 10 - 80 |
Heat exchanger material | Aluminium |
Height | 702mm |
Lpg convertible | No |
Maximum vertical flue length 8 | 25m |
Rear flue options | Yes |
Side clearance | 5mm |
Top clearance | 205mm |
Width | 390mm |
Delivery Information
Est Delivery between 6th Feb and
12th Feb.

Delivery will always take place on a weekday (Mon - Fri).
An exact delivery charge will be calculated at checkout based on your order.



