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Why install a Greenstar Heatslave II?
4
Precise heating and hot water control
4
Instantaneous hot water, always available
4
Smart modern design with controls
concealed in a drawer
4
Compatible with a range of optional controls
for greater efficiency and comfort
4
Eco hot water mode saves energy
4
Suitable for kitchen installation - fits
underneath a standard kitchen worktop
Royal Warrant
We are honoured to have
received a Royal Warrant in
recognition of supplying goods
to Her Majesty The Queen
Trustpilot Rated 5 Stars
Our customers have
consistently rated us 5 stars
on Trustpilot.co.uk
*Terms and conditions apply
Part of the Bosch Group
All products are
manufactured with Bosch
levels of quality and
reliability as standard
Up to 5 Years Guarantee
Up to 5 years guarantee
available on all Worcester
Bosch oil boilers*
The Worcester
Greenstar
Heatslave II
For more information on our award winning oil range,
visit worcester-bosch.co.uk
Boiler dimensions
The Greenstar Heatslave II will fit under a standard
kitchen worktop*.
Know your system
Combination, or ‘combi’ boilers, heat water directly from
the mains when you turn on a tap, so you won’t need a hot
water storage cylinder or a cold water storage tank.
Greenstar System Filter
Accessories
I
nstall a Greenstar
System Filter to protect
your heating system
from contamination and
extend your guarantee
up to 5 years†.
520mm
855mm
600mm
Comfort
Control options
MODEL
Clearances
Output kW to central heating (CH)
Flow rate at the hot water tap (40°C)
ErP Seasonal space heating energy efficiency class
Optional plug-in timer
12kW - 18kW
300mm (10mm)*
5
mm
5mm
600mm
15 l/min
A / 90%
P
Above*
Left
Right
Front
*
Although clearance above the Heatslave range is stated to be 300mm,
a removable worktop may be placed above the boiler, allowing 10mm clearance.
HEATSLAVE II 12/18
18kW - 25kW
300mm (10mm)*
5
mm
5mm
600mm
18 l/min
A / 90%
P
HEATSLAVE II 18/25
25kW - 32kW
300mm (10mm)*
5
mm
5mm
600mm
22 l/min
A / 91%
P
HEATSLAVE II 25/32
†Terms and conditions apply
/