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BOILER LOCATION &
CLEARANCES
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
8 716 113 389b (09/07)
13
PRE -
INSTALLATION
BOILER LOCATION &
CLEARANCES
WARNING:
This appliance should not be installed where
there is a potential for excessive ground
water coverage.
This boiler is only suitable for installing
externally at a suitable location onto a fixed
permanent rigid surface capable of
supporting the boiler weight.
There must be a sufficient hard standing
around the appliance to allow for servicing.
The boiler must be installed on a flat level
surface to ensure that condensate does not
enter the primary heat exchanger.
Tarmac and wood hardstandings are not
recommended.
CLEARANCES: Min service & flue clearances
Above 600mm
Front 600mm
RH/LH flue outlet on opposite side 10mm
RH flue outlet on rear 85mm
LH flue outlet on rear 10mm
Rear = flue outlet on side 150mm**
Rear = rear flue outlet 2500mm*
It is strongly recommended that the flue
terminal faces away from walls to reduce
the possibility of wetting occuring.
*This can be reduced to 1200mm if there is at
least 2500mm clearance on both sides of the
flue.
** 200mm if a high level terminal is used exiting
through the rear panel.
600mm
2500mm*
600mm
BASE
FRONT
FRONT
2500mm*
150mm**
85mm10mm
600mm
10mm
600mm
2500mm*
FRONT
FRONT
2500mm*
10mm
600mm
150mm**
Plan
view
Plan
view
Plan
view
600mm
(min)