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Vaillant ecoTEC 843 exclusive Green iQ Gas Boiler

MPN: 10017065 EAN: 4024074772515
Vaillant ecoTEC 843 exclusive Green iQ Gas Boiler prices and quotes
Output (Kw)
43
Warranty (years)
5
Erp
Heating Efficiency
A Heat
A Water
Average Price
Updated: 01/10/21
£1786.54 inc. VAT
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ManufacturerVaillant
ModelecoTEC 843 exclusive Green iQ
TypeGas Boiler
Sub TypeCombi Boiler
ColourWhite
Width (mm)440
Height (mm)720
Depth (mm)474
Weight (kg)50
Output (Kw)43
ErP SpaceA
ErP WaterA
Flow Rate (L/min)17.8
MountingWall
FuelNatural Gas

Product Description


The ecoTEC 843 is a combination boiler with extra-condense technology and high power. This 35kW model delivers reliable, efficient performance. It produces 43kW of heat, which is the highest flow rate of 17.8 liters /min in Vaillant’s boiler line.

Features Overview

  • The boiler boasts in delivering a significantly high 17.8I/min flow rate.
  • This boiler contains an extra-condensing heat exchanger that facilitates the general efficiency of combi boilers.
  • Five-year warranty with an optional extendable period of up to 7-10 years.
  • 1:10 broad range of modulation that adjusts accordingly to each condition.
  • Highly compatible with vSMART heating control from Vaillant.
  • Incorporates a Green iQ Mode that offers the boiler eco-credentials that are unique.
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Frequently Asked Questions


How many years does the warranty cover?

Green IQ 843 boiler boasts a standard five-year warranty which is extendable to 7 to 10 years if a Vaillant Advance installer installs the boiler for you.

Can the Green IQ 843 boiler’s output rating suit my home’s needs?

If your home facility uses approximately 20 radiators, the IQ 843 boiler is suitable for your hot water needs because it has a 36Kw heating output.

What are the main features?

Green IQ 843 boiler is the only boiler from Vaillant that incorporates the power of green IQ technology. This boiler also uses a blend of various innovative technologies and integrations. The result is a highly efficient boiler for your premises. Additionally, the Green IQ 843 boiler includes a system that wisely and conveniently administers heating output and power consumption. For this reason, the Green IQ 843 boiler has a durable, guaranteed performance, not forgetting the low maintenance requirements.

How large is the Green IQ 843?

From Vaillant, the Green IQ 843 boiler has a compact design that best suits wall mounting. The boiler has 720mm, 440mm, and 474mm measurements in height, width, and diameter, respectively.

What is the efficiency like?

Vaillant takes pride in designing the Green IQ 843 boiler with a heating rating of ErP A and 94% efficiency. This efficiency and rating for heating indicate that it is a good choice for minimizing energy consumption significantly.

How suitable will a combi boiler be to my home?

The good news is that if you have a relatively smaller home or limited space for boiler installation, combi boilers will perfectly meet your hot water and heating on demand. The reason is that they incorporate a single cost-effective design that does not require the installation of additional external cylinders and cisterns. However, if your home’s hot water and central heating demands are high, combi boilers will not be able to meet such high needs.

Can you suggest any other alternatives within the range?

You might also be interested in system boilers and combi boilers within the Green IQ 843 boiler range. They include a 27 Kw and 35Kw system boiler and combi boilers, respectively.

Other Vaillant boilers similar to the ecoTEC 843 exclusive Green iQ

Model kW ErP Warranty Price (inc. VAT)
Vaillant ecoFIT pure 415 15
A Heat
Water
2 £792.54
Vaillant ecoFIT pure 418 18
A Heat
Water
2 £875.98
Vaillant ecoFIT pure 430 30
A Heat
Water
2 £1016.32
Vaillant ecoFIT pure 435 35
A Heat
Water
2 £1523.23
Vaillant ecoFIT pure 618 19
A Heat
Water
2 £1017.53
Vaillant ecoFIT pure 625 25
A Heat
Water
2 £1204.93
Vaillant ecoTEC Plus 424 24
A Heat
Water
5 £1052.5
Vaillant ecoTEC Plus 435 35
A Heat
Water
5 £1609.27
Vaillant ecoTEC Plus 612 12
A Heat
Water
5 £949.26
Vaillant ecoFIT pure 425 25
A Heat
Water
2 £953.6

More Combi Boilers to consider

Model kW ErP Warranty Price (inc. VAT)
BAXI 200 224 24kW 24
A Heat
A Water
3 £587.78
BAXI 200 228 28kW 28
A Heat
A Water
3 £602.04
BAXI 400 415 15kW 15
A Heat
Water
5 £709.34
BAXI 400 428 28kW 28
A Heat
A Water
5 £709.34
BAXI 600 613 13kW 13
A Heat
Water
7 £1246.34
BAXI 600 616 16kW 16
A Heat
Water
7 £884.74
BAXI 600 619 19kW 19
A Heat
Water
7 £945.34
BAXI 600 625 25kW 25
A Heat
Water
7 £1004.93
BAXI 600 636 36kW 36
A Heat
A Water
7 £1034.16
BAXI 800 825 25
A Heat
A Water
10 £894.54

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