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

Our Greenstar Heatslave II External boiler boasts the same features as the internal model.

This boiler is suitable for small, medium and large sized homes with one or two bathrooms and is installed outside which frees up space within your home. The boiler is contained in a robust cabinet that protects the boiler in all weathers.

 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
A robust, durable external cabinet that blends in with the garden
IP45 Protection – protecting the boiler from water, dust and external elements
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 External 12/18 Greenstar Heatslave II External 18/25 Greenstar Heatslave II External 25/32
Part number 7 731 600 050 7 731 600 051 7 731 600 052
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 950 x 640 x 770 950 x 640 x 770 950 x 640 x 770
Clearances (mm) above, sides, below and front 600, 600, 45, 85, 2500 (Clearances if rear flued) See Tech and Spec for other arrangements 600, 600, 45, 85, 2500 (Clearances if rear flued) See Tech and Spec for other arrangements 600, 600, 45, 85, 2500 (Clearances if rear flued) See Tech and Spec for other arrangements
Maximum horizontal flue (mm) N/A N/A N/A
Maximum vertical flue (mm) N/A N/A N/A
Ingress protection rating IP45 IP45 IP45
Central heating output (kW) 18 25 32
Max DHW output (kW) 18 25 32
Hot water flow rate 35°c ∆T (litres per minute) 15 18 22
Minimum inlet pressure (bar) 1.5 1.2 1.6
Lift weight (kg) 151 154 158

**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
Flue Part number
90º flue bend 7 716 190 034 Installation Manual
Stainless steel flue terminal guard 7 716 190 050
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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