Installation Of A Check Valve - BRÖTJE HEP 25-180-10 Manual De Montaje

3.4 Installation of a check valve

Fig. 3: Installation of the check valve.
1 Flow connection WGB 1½"
2 Check valve 1½"
3 Ball valve shut-off set Brötje ADH 1½"
7303554-03 08.12
- Check connections for leaks
or
- Install pump HEP 25-180-10 externally
- To insulate the pump, fit insulation semi-shells if required
For the internal installation of the speed controlled pump HEP, the installation on-
site of a check valve in the heating flow between the flow connection of the boiler
and the shut-off valve is recommended ( Fig. 3 ).
Variable speed pump HEP 25-180-10
Installation
23
GB