9
DRAIN VALVE
PUMP
A
ut
oma
tic B
ypass
minimum of 2 metr
es
R
adia
tors
Auto Air Vent
150mm
maximum
150mm
minimum
BASIC PLUMBING SCHEMATIC
SPACE HEATING ONLY - OPEN VENTED
DRAIN VALVE
PUMP
A
ut
oma
tic B
ypass
minimum of 2 metr
es
Safety
Controls
R
adia
tors
Auto Air Vent
150mm
minimum
BASIC PLUMBING SCHEMATIC
SEALED SYSTEM
Figure 3
Figure 4