Boiler is compatible with long flue lengths (up to 12m with 60/100mm flues) for flexibility of siting and includes a 500ml integrated condensate siphon to reduce the risk of freezing, together with features of the existing Greenstar i. Pre-piping jig with rear piping as standard enables SimpleSwitch to previous Worcester i Junior and Si models. Fast and easy installation, commissioning and servicing.

Brand Name	Worcester Bosch
Manufacturer Model No	Greenstar 4000
Max. Domestic Hot Water Output	25kW
Max. Central Heating Output	24kW
Aluminium Silicon Heat Exchanger	Yes
Top Flue Outlet	Yes
Compatible with Solar Panels	Yes
5 Year Manufacturer’s Guarantee	Yes
BTU	81894
Display Type	Backlit LCD Full Colour Display
Energy Rating (Heating)	A
Energy Rating (Water)	A
Flue Connection Diameter	60/100 mm
Fuel Type	LPG
Frost Protection	Yes
Temperature Range (Heating)	30-82 °C
Temperature Range (Water)	35-60 °C