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 system models. Fast and easy installation, commissioning and servicing.

Brand Name	Worcester Bosch
Colour	White
Material	Aluminium Silicon Heat Exchanger
Manufacturer Model No	Greenstar 4000
Type	System Boiler
Max. Central Heating Output	24kW
Flue Outlet Position	Top Flue Outlet
Compatible Cylinder	Compatible with Unvented Indirect Cylinders & Twin Coil Cylinders for Solar Compatibility
Compatible with Solar Panels	Compatible with Solar Panels
Manufacturer Guarantee	5 Year Manufacturer’s Guarantee (Registration Required, T&Cs Apply)
BTU	81891.408
Display Type	Backlit LCD Full Colour Display
Energy Rating (Heating)	A
Fuel Type	LPG