Optima Company 1001 - Manual (Page 11)

1001
11
Fig. 7
NOTE: A bypass must be fitted as far as possible from the boiler if thermostatic radiator valves are fitted throughout.
Fig. 6
Key
1. Filling point C.H.
2. Temporary connection
3. Cold water supply
Gas
Cold water
Additional expansion vessel C.H.
(if required)
Filling
point C.H.
Bypass