Vaillant ecoFIT Sustain 615 (ErP) System Boiler
The Vaillant ecoFIT Sustain 615 (ErP) System Boiler Only is a practical choice for customers comparing
system boilers, offering dependable heating performance for homes with a separate hot water cylinder. If you are reviewing
system boiler prices, this Vaillant model gives you a clear option to compare by output, fuel type, controls and installation requirements before choosing the right boiler for your property.
The Vaillant ecoFIT Sustain 615 system boiler is a compact and efficient heating solution designed to work alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.
Designed with both installers and homeowners in mind, the ecoFIT Sustain 615 offers flexible siting options and easy installation thanks to its lightweight design and compact dimensions. It also features a high-efficiency pump, which helps reduce energy consumption while still delivering reliable and consistent heating performance.
This system boiler is suitable for modern sealed heating systems and does not require a cold water tank in the loft, making it a practical and space-saving solution for many homes.
Key Features & Benefits
- Compact and Lightweight Design
- Ideal for Installation in Cupboards or Small Spaces
- System Boiler - Works with a Hot Water Cylinder
- No Cold Water Tank Required
- Easy Installation and Flexible Siting
- High Efficiency Pump for Reduced Energy Consumption
- Reliable Heating Performance
- A Rated for Heating Efficiency
- 2 Year Warranty (Subject to Manufacturer's T&Cs)
Key Specifications
-
Product: Vaillant ecoFIT Sustain 615 (ErP) System Boiler
-
GTIN: 4024074850350
-
Product Type: Gas System Boiler
-
Model: ecoFIT Sustain
-
Central Heating Output: 15kW (51,000 BTU)
-
ErP Heating Rating: A Rated
-
Gross Weight (Including Packaging): 33kg
-
Net Weight: 32kg
-
Height: 700mm
-
Width: 390mm
-
Depth: 295mm
-
Warranty: 2 Years (Subject to Manufacturer's T&Cs)
What Is a System Boiler?
A system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for sealed heating systems and homes where loft space is limited.
FAQs
What is the difference between a system boiler and a combi boiler?
A system boiler works with a hot water cylinder, while a combi boiler heats water on demand and does not require a cylinder.
Is this boiler suitable for a medium-sized home?
Yes, a 15kW system boiler is typically suitable for small to medium-sized homes depending on insulation and heating demand.
Can this boiler replace an older system boiler?
Yes, the ecoFIT Sustain 615 is a suitable replacement for older system boilers and can improve efficiency and performance.