20
Casing dimensions
Pipework connections
A to G (below) show the flue and pipe outlets (mm):
Note: For servicing purposes, keep the condensate and pressure relief discharge
pipes away from components and pipework connections.
Flue and pipe connections
Key Description
Heatslave II
12/18 & 18/25
Heatslave II
25/32
A CH flow
22mm dia. plain
ended copper
28mm dia. plain
ended copper
B DHW flow 22mm dia. plain ended copper
C
DCW mains
water inlet
15mm dia.
D CH return
22mm dia. plain
ended copper
28mm dia. plain
ended copper
E Flue outlet Flue outlet
F
Pressure
relief pipe
15mm dia. plain ended copper
G Condensate outlet 21.5mm dia. polypropylene
Oil 15mm copper compression
600mm
600mm
2,250mm
600mm
600mm radius
750mm
750mm
2,250mm
2,250mm
2 1 1
2
21 1
2
2,250mm
0
0
Conventional flued boilers must not be fitted in
a bathroom.
Important: bathroom locations and clearances
•
The boiler must not be installed in zones 0, 1 or 2
•
Any switch or appliance control using mains electricity
must not be within reach of a person using the bath
or shower
•
Electrical switches, fused spurs and socket outlets must
not be situated in the bathroom.
Refer to the latest IEE wiring regulations.
855mm
600mm
520mm
Greenstar Heatslave II
337
145
F
667
726
65
770
35
A
B
D
E
G
415
C
639
609
121
582
52
19
94
454
E
FRONT VIEW SIDE VIEW
Greenstar Heatslave II
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