The Vaillant ecoFit Pure 835 combi boiler is a compact, efficient, and ultra-quiet combination boiler designed to provide both heating and hot water directly from one unit. With no need for a separate hot water cylinder or cold water tank, this combi boiler is an excellent space-saving solution for modern homes.
This Quiet Mark-approved boiler is designed for ultra-quiet operation, making it ideal for installation in kitchens, cupboards, or utility rooms. Its compact size and flexible installation options, including top and rear flue connections, allow it to be installed in a wide range of locations to suit your property.
The ecoFit Pure 835 also features automatic purging assistance and a high-spec aluminium heat exchanger, helping to make installation easier while improving efficiency and performance. With a high-efficiency pump, this boiler helps reduce energy consumption and standby losses while delivering strong hot water performance, making it ideal for homes with higher hot water demand.
Key Features & Benefits
Compact Design with Flexible Installation Options
Quiet Mark Approved for Ultra-Quiet Operation
Combi Boiler – No Cylinder or Loft Tank Required
Automatic Purging Assistance for Easier Installation
High Specification Aluminium Heat Exchanger
High Efficiency Pump for Reduced Energy Consumption
A Rated for Heating and Hot Water
Attractive Modern Design
2 Year Warranty (Up to 7 Years with Vaillant Advance Installer)
Key Specifications
Product: Vaillant ecoFit Pure 835 (ErP) Combi Boiler
GTIN: 4024074778913
Product Type: Gas Combi Boiler
Model: ecoFit Pure
Central Heating Output: 25kW (85,000 BTU)
Max Domestic Hot Water Output: 35kW
Domestic Hot Water Flow Rate: 14.4L/min @ 35°C Rise
ErP Heating Rating: A Rated
ErP Hot Water Rating: A Rated
Gross Weight (Including Packaging): 35kg
Net Weight: 32kg
Height: 700mm
Width: 390mm
Depth: 295mm
Warranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T&Cs)
What Is a Combi Boiler?
A combi boiler provides both heating and hot water directly from the boiler without the need for a separate hot water cylinder or cold water tank. Hot water is delivered on demand, making combi boilers a space-saving and energy-efficient option for many homes.
FAQs
What size house is the ecoFit Pure 835 suitable for?
The ecoFit Pure 835 is typically suitable for medium to large homes with higher hot water demand, such as properties with multiple bathrooms.
Do I need a hot water cylinder with a combi boiler?
No, a combi boiler heats water on demand and does not require a separate hot water cylinder.
Can this boiler be installed in a cupboard?
Yes, the compact size and quiet operation make it suitable for installation in a kitchen cupboard or utility space.
Absolutely. Check availability at your nearest branch during checkout or contact us directly.
Do you offer bulk pricing or trade discounts?
Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.
What if the product arrives damaged?
Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.
How fast is the delivery time?
Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.
What is the Return Policy?
We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.
Over 35 Years of Trading
+£3M Stock Value
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10 Branches Across London & South East
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