Vaillant EcoTEC plus 838 38kW Combi Boiler

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Vaillant EcoTEC plus 838 38kW Combi Boiler

SKU: 10021826

Estimated Delivery:

5 to 8 Working Days ✝FREE
Orders placed before 1pm are processed the same day, delivery times are between 8am & 6pm Monday to Friday, all deliveries require a signature, for delivery instructions please use the notes section during checkout.
Please see below for Items you will also require for this product.

Availability: In stock In Stock

£1,528.44 (inc VAT)

✝ Subject to stock availability. UK Mainland only. Delivery fees and times to Northern Ireland, Scottish Highlands & Isles, Isle of Man, Isle of Wight, Isles of Scilly, and the Channel Isles may vary. Deliveries are made during working days only.

Product Description


The Vaillant ecoTEC plus range of high efficiency boilers combine fantastic efficiency levels and high performance with great usability. Thanks to continuous modulation and real combustion control by a multi-sensor system, they achieve high efficiency at the lowest emissions. Due to the boiler's fantastic efficient performance, hot water heats up in just 5 seconds, meaning no hot water tanks are necessary. Vaillant Combi Boilers are highly efficient and deliver a top SEDBUK Band 'A' rated fuel efficiency and powerful domestic hot water performance. Easy to install, a simple step by step wizard is included to provide a quicker 'first time right' set up, and removable side panels allow for greater access to the internal components, meaning the boiler will produce hot water as quickly as possible.

Key Features:

  • Manual pressure gauge
  • Instant hot water delivery in just 5 seconds
  • Wide modulation range of up to 1:6
  • Flame lift detection system
  • Stylish contoured case design with down flap
  • Built-in-two-stage frost protection
  • Maximum Horizontal Flue 100mm: 5.5 m 
  • Maximum Horizontal Flue 125mm: 32mm
  • DHW Output: 38.7 KW
  • Heat Output: 38 KW
  • Fuel Type: Natural Gas
  • Solar Compatible: Yes
  • Noise Level: 46 dB
  • Quiet Mark accreditation
  • Compatible with auroTHERM air to water heat pump hybrid system

Technical Information

Additional Information

SKU 10021826
Manufacturer ID 10021826
Boiler Fuel Type Natural Gas
Guarantee Length 5 Years
Boiler Height 720 mm
Boiler Width 440 mm
Boiler Depth 406 mm
Boiler kW Output 38 kW


Here at we have the returns period is the standard 30 days, as we understand that sometimes there may be the odd item left over from a project or you may have an unexpected delay to a project meaning that you need the added peace of mind when ordering products in case a return is necessary.

We truly believe in being able to offer customers a flexible service and this extended period allows us to go that little extra to help you when in need, as long as goods are returned in the same condition as received we are happy to help.

To return any time initially please email your request to our Customer Support team at along with your TP - Order Reference, please allow at least 1 working day for response and we will take it from there.

To View our complete Return Policy Click on Return and Refunds