Dimensions; Minimum Clearances; Clearance From Combustible Components; Using The Mounting Template - Vaillant ecoFIT sustain 825 Installation And Maintenance Instructions Manual

4 Set-up
Quantity Description
1 Gas isolator cock
2 Connection pipe (heating flow and return)
1 Cold water connection pipe
1 Hot water connection pipe
1 Gas pipe
1 Expansion relief valve discharge pipe
1 Installation template
1 Enclosed documentation
4.4

Dimensions

1 2
123
185
220
1 Heating flow
2 Hot water connection
8
3 4 5
58 58
123
390
150
6
7
3 Gas connection
4 Cold water connection
5 Heating return
6 Connection on the back
of the air/flue pipe
4.5

Minimum clearances

C
A
B
C
(70 mm, if the side sections have to be removed)
D
4.6

Clearance from combustible components

It is not necessary to maintain a clearance between the
product and components made of combustible materials that
go beyond the minimum clearances (→ Page 8).
4.7

Using the mounting template

Use the mounting template to ascertain the locations at
▶
which you need to drill holes.
4.8

Wall-mounting the product

Note
If you are using the rear air/flue connection, in-
stall the air/flue pipe before you wall-mount the
product.
1. Check whether the wall has sufficient load-bearing ca-
pacity to bear the operational weight of the product.
Installation and maintenance instructions ecoFIT sustain 0020230529_04
7 Connection on the top
of the air/flue pipe
C
Minimum clearance
150 mm (top air/flue connection)
20 mm (rear air/flue connection)
D
150 mm
5 mm
600 mm