Specifications

Boiler installation sequence
30 Instructions for installation and servicing ecoTEC 839592_13
4
> Fit the union nuts (4) and (7) as well as the compres-
sion olives (3) and (8) to the pre-bended 22 mm cop-
per tails (5) and (6).
> Fully insert pipes (5) and (6) into the service valves.
Tighten the union nuts in this position.
> Fit the handle for the filling loop with a countersunk
screw to the service valve (9).
ecoTEC pro combination boiler
bar
1
2
3
4
5
Fig. 4.10 Heating flow and return connection for ecoTEC pro
combination boiler
> Insert a seal (1) and fit the service valves (2) to the
flow and return connection of the appliance.
> Fit a union nut (4) and a compression olive (3) to the
22 mm pre-bended copper tail (5).
> Fully insert pipe (5) into the service valve. Tighten the
union nuts in this position.
ecoTEC plus system boiler
1
2
3
4
5
Fig. 4.11 Heating-side flow and return connection for
ecoTEC plus system boiler
> Insert a seal (1) and fit the service valves (2) to the
flow and return connection of the appliance.
> Fit a union nut (4) and a compression olive (3) to the
22 mm pre-bended copper tail (5).
> Fully insert pipe (5) into the service valve. Tighten the
union nuts in this position.