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Vaillant ecoTEC Plus 836 Combi Boiler Natural Gas

Vaillant ecoTEC Plus 836 Combi Boiler Natural Gas
Vaillant ecoTEC Plus 836 Boiler is a Combination Boiler that can deliver up to 20 litres of hot water per minute! Vaillant Combi Boilers are highly efficient and deliver a top SEDBUK Band 'A' rated fuel efficiency and powerful DHW performance. Vaillant are widely recognised as the leading heating technology company in Europe, and as one of the market and technology leaders, Vaillant develop best in class products for domestic comforts. 

The stated price includes standard Horizontal Flue

  • Capable of delivering an amazing 20 litres of hot water per minute!
  • 15 litre "actoSTOR" exceptional hot water delivery and comfort, "actoSTOR" fully recharges in just 2 minutes.
  • Electronic gas & air modulation. 
  • Flame lite detection system for efficent combustion.
  • High efficiency - SEDBUK 'A' rated.
  • High domestic flow rates 200 litres of hot water in just 10 minutes.
  • Stainless steel heat exchanger.
  • Easy to install (separate tank module and boiler).
  • Power store fully recharges in 2 minutes.
  • Easy to use interface and installation wizard.
  • Simple commissioning and servicing.

You can add 2 Years standard Warranty if your boiler is installed by a Vaillant authorised installer

MountingWall Mounted
Output (Kilowatts)35
Output (BTUs)119500
Width (mm)440
Height (mm)720
Depth (mm)335
Flow Rate (L/min)20
FuelNatural gas
Warranty (Years)5

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Small/Medium Items

For small items (under 2Kg) we use Royal Mail to send our parcels to the provided address and the standard shipping charge is £4.99 to any destination in the UK. 

For Medium items (From 2Kg to 15Kg) we use Parcel Force to send our parcels to the provided address and the standard shipping charge is £15 for Parcel Force 48 and £20 for Parcel Force 24 to any destination in the UK.

For Orders value less than £200, only payment in advance will be accepted (eg. Debit Card or BACS). 

Large Items

This is where we are different than other mainstream plumbing and heating merchants. We use our own drivers and vans to deliver large items and this for you means that:

  • We take great care to make sure the items arrive at your door safely with no damages.
  • We offer continuous assistance throughout the dispatch, transit and delivery process. So we keep you informed and make sure you have all you need for your project. 
  • We can collect cash on delivery, after you have checked and are happy with the goods which you have received.
  • You will decide the best time for the delivery and our driver will inform you one hour before arriving.
  • Our drivers are also fully knowledgeable on the products they are transporting, so that you can ask them any question when they arrive. 

How it works?

When you finished adding the items to the basket all you have to do is to enter your postcode and you will have an instant quote of the delivery charge. This depends on the Postcode and the items you have ordered.

FREE DELIVERY: Some items might have a promotional free delivery badge, add this items and then any other item added with be delivered free of charge. Please note that Free delivery offers do not cover zones 3 and 4 as per below table. For zones 5 and 6 an additional charge will be required to ship the items.


ZoneCostPostcodes Beginning With
1 £ 15.00B, CV, DE, DY, GL, HR, NG, NP, WR, WS, WV
2 £ 20.00BS, CF, CW, LE, MK, NN, OX, S, SK, ST, TF
3 £ 35.00AL, BA, BB, BD, BH, BL, BN, BR, CA, CB, CH, CM, CO, CR, CT, DA, DH, DL, DN, DT, E, EC, EN, EX, FY, GU, HA, HD, HG, HP, HU, HX, IG, IP, KT, L, LA, LD, LL, LN, LS, LU, M, ME, N, NE, NR, NW, OL, PE, PL, PO, PR, RG, RH, RM, SA, SE, SG, SL, SM, SN, SO, SP, SR, SS, SW, SY, TA, TN, TQ, TR, TS, TW, UB, W, WA, WC, WD, WF, WN, YO
4 £65.00DG, EH, G, KA, ML, TD
5Call us for a quote



  • Product Code: Vaillant ecoTEC Plus 836 Combi Boiler Natural Gas
  • Availability: In Stock
  • £1,789.00
  • Ex Tax: £1,490.83

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