Vaillant ecoTEC plus 837 User Manual

Supplied By www.heating spares.co Tel. 0161 620 6677
9Instructions for installation and servicing ecoTEC
2.4 Installation
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Fig. 2.2 Function elements of combination boilers
Legend:
1 Expansion vessel
2 Air intake pipe
3 Burner module
4 Ignition electrode
5 Fan
6 Diverter valve with by-pass
7 Pump
8 Aqua-Sensor
9 Electronics box
10 Pressure sensor
11 Hot water heat exchanger
12 Gas valve
13 Heat exchanger
14 Flue pipe connection
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Fig. 2.3 Function elements of system boilers
Legend:
1 Expansion vessel
2 Air intake pipe
3 Burner module
4 Ignition electrode
5 Fan
7 Pump
9 Electronics box
10 Pressure sensor
12 Gas valve
13 Heat exchanger
14 Flue pipe connection
2.5 Type plate
The type plate of the Valliant ecoTEC is attached to the
bottom of the appliance at the factory.
Boiler specifications 2

Vaillant ecoTEC plus 837 Specifications

General

Model	ecoTEC plus 837
Category	Boiler
Output	37 kW
Dimensions	720 x 440 x 338 mm
Flow Rate	15.2 l/min
Mounting	Wall-mounted
Fuel Type	Natural Gas
ErP Heating Efficiency Class	A
ErP Water Heating Efficiency Class	A
Warranty	5 years
Type	Combi
Efficiency	89.3%