Potterton Flamingo RS40 Installation And Service Manual page 15

Page 11
Installation Section – Page 12
FIG 9 FULLY PUMPED WITH TWO POSITION DIVERTER VALVE
NOTE: The minimum 900mm (3ft.) static head shown in figs. 9, 10 and 11, and mentioned in Section 1 in 'The
System' on page 2, can be reduced to 300mm (1ft.) providing the cold feed is connected directly into the spare
return tapping on the boiler. A static head of less than 300mm (1ft.) should not be used.