Greenstar Heatslave II Greenstar Heatslave II Greenstar Heatslave II
Greenstar Heatslave II Greenstar Heatslave II Greenstar Heatslave II
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Greenstar Heatslave II overview

Our Greenstar Heatslave II boiler is the UK's most popular oil combi boiler.

This boiler has a sleek, modern design and is suitable for small, medium and large sized homes with one or two bathrooms.

  Earn 25 points with these products on the Greenstar Reward Programme

Features & Benefits

Cross firing burner
One piece baffle for quick and easy servicing
Easy access oil and hydraulic connections
Digital control offering precision heating and hot water control
Lightweight aiding installation
Front access for routine servicing, including a pivoting expansion vessel for ease of access
Compatible with our Greenstar Comfort controls
Compatible with solar thermal
5 year guarantee on Worcester primary heat exchanger
80/125mm room sealed flues with lengths of up to 8m available
Plume management of up to 5m with conventional and flexi-flue kits also available

Technical Details

Greenstar Heatslave II 12/18 Greenstar Heatslave II 18/25 Greenstar Heatslave II 25/32
Part number 7 731 600 165 7 731 600 166 7 731 600 167
ErP Efficiency Rating
B
A
B
A
B
A
ErP Data Sheet ErP Data Sheet ErP Data Sheet ErP Data Sheet
Solar Compatible
EasyControl Compatible **
Control Options
Dimensions (mm) height x width x depth 855 x 520 x 600 855 x 520 x 600 855 x 520 x 600
Clearances (mm) above, sides, below and front 300 x 5 x 600 300 x 5 x 600 300 x 5 x 600
Maximum horizontal flue (mm) High Level Horizontal 5m, Rear Exit Horizontal 6m, Side Exit Horizontal 5m High Level Horizontal 5m, Rear Exit Horizontal 6m, Side Exit Horizontal 5m High Level Horizontal 5m, Rear Exit Horizontal 6m, Side Exit Horizontal 5m
Maximum vertical flue (mm) N/A N/A N/A
Ingress protection rating IP20 IP20 IP20
Central heating output (kW) 18 25 32
Max DHW output (kW) 18 25 32
Hot water flow rate 15 18 22
Minimum inlet pressure (bar) 1.5 1.2 1.6
Lift weight (kg) 124 126 128

**The EasyControl adaptor is required for the Bosch EasyControl to work with our Greenstar oil boilers and our range of regular boilers

Related Accessories

Boiler Accessories Part number
CondenseSure 7 716 192 746
Greenstar Comfort wall mounting plate 7 733 600 039
EasyControl Adapter 7 736 701 560
Flashing Kits Part number
Flat roof flashing kit (100mm & 125mm dia.) 7 716 191 090
Pitched roof flashing kit (100mm & 125mm dia) 7 716 191 091
Flue Part number
1000mm extension kit, 100mm dia 7 716 190 066
45º bend, 100mm dia 7 716 190 069
45º bend, 80/125mm 7 716 190 035 Installation Manual
500mm extension kit, 100mm dia 7 716 190 067
90º flue bend 7 716 190 034 Installation Manual
Flue extension, 80/125mm 7 716 190 033 Installation Manual
Greenstar Oilfit 100mm flexible flue kit, 12m 7 716 190 077
Greenstar Oilfit 100mm flexible flue kit, 8m 7 716 190 076
Flue Damper 7 716 190 101
Stainless steel flue terminal guard 7 716 190 050
Telescopic extension 100mm dia 7 716 190 068
80/125 standard telescopic flue kit 7 716 190 064 Installation Manual
80/125 short telescopic flue kit 7 716 190 062 Installation Manual
Wall cover plate kit 100mm dia. 7 716 190 074
600mm extension 7 716 190 097
Conventional vertical flue kit, 100/103mm 7 716 190 104
Infill plate kit (for high level horizontal flues) 7 716 190 105
Plume Part number
Plume management kit 7 716 190 092
Plume management 45º bend 7 716 190 094
Plume management 90º bend 7 716 190 095
1,000mm extension 7 716 190 093

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