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24
A
B
C
E
D
F
G
CH FLOW
CONDENSATE
DRAIN
VALVE OPEN WHEN IN
LINE WITH FLOW
PRESSURE
GAUGE
FILLING LOOP
CABINET
DRAIN
DHW
OUTLET
GAS
SUPPLY
PRESSURE RELIEF
VALVE DRAIN
DHW INLET
CH RETURN
CH DRAIN POINT
ITEM
DESCRIPTION
ITEM
DESCRIPTION
A
CH - Central heating flow. Black handle
E
CH - Central heating return. Black handle
B
DHW - Domestic hot water outlet
F
Filling loop isolation valves. Black handle
C
Gas Valve. Yellow handle
G
D
DHW - Domestic hot water inlet. Blue handle
H
Gas valve test point
H
E
D F
G
A
B
C
H
FILTER
WASHER
FIGURE 25. VALVES, TAIL PIPES & CONNECTIONS
FLEXIBLE FILLING
LOOP