8
No.
Dimension
Connection description
1 1½” internal thread.
Hot water out
2 3/4” internal thread.
Thermometer
3 3/4” internal thread.
Hot water circulation
4 3/4” internal thread.
Anode (factory-fitted)
5 3/4” internal thread.
Thermostat
6 1½” internal thread.
Cold water in
7 1" outside thread
Draining
3.5 Pipe installation
3.5.1 Incoming water pressure
The efficiency of the product depends on the in-
coming cold water pressure. The water pressure
should be min. 2 bar and max. 6 bar throughout
the day. Excessive water pressure can be adjusted
by installing a pressure reduction valve.
3.5.2 Fitting pipes
A) Run a pipe of suitable size to the connec-
tions shown, and affix with suitable sealant.
Unused connections must be plugged se-
curely.
B) The product can connected in series for
increased capacity in the system. Use OSO
prefabricated SRS joints pipes. See illustra-
tion.
3.5.3 Fitting of overflow pipe
Overflow pipe (9) > 18 mm inside run to the
safety valve;
•
Connects to the overflow (8) on the safety
valve (3/4”inside thread).
•
Clear, undamaged and frost-free with a
fall to the drain.
The product is designed to be permanently con-
nected to the mains water supply. Approved pipes
of the correct size should be used for installation.
The relevant standards and regulations must be
followed.
2
3
4
5
7
6
1
9
9
8
