More Information
Brand	Worcester

Worcester Greenstar 4000 21kW System Boiler

MPN Code

10766501

Part Code

NYEPRI10766501

Ease of installation SimpleSwitch to previous Worcester i System models with pre-piping jig offering rear piping as standard
Flexibility of siting provided by long flue lengths (up to 12m with 60/100mm flues) and a 500ml integrated condensate siphon to reduce the risk of freezing
Complete peace of mind for the end user with a 10-year heat exchanger and a 7-year product guarantee available as standard. Wide modulation range designed to optimise efficiency when heating demand is low.
High-end design, quiet operation (up to 42dB(A)) with an intuitive, long text, colour boiler display for ease of use
Performance at low pressure
Quiet operation

In stock

£1,428.46 £1,190.38

Sold by / Each

In Stock

Bulky Item

Collection from store

Collection from our branches at Kingsfold and Billingshurst. You can choose a collection date/time at checkout.

Local Delivery

Delivery by our own vehicles around Surrey and Sussex. Available delivery dates shown at checkout. Please see Delivery Information for costs.

Can we deliver to your location?

Ease of installation SimpleSwitch to previous Worcester i System models with pre-piping jig offering rear piping as standard
Flexibility of siting provided by long flue lengths (up to 12m with 60/100mm flues) and a 500ml integrated condensate siphon to reduce the risk of freezing
Complete peace of mind for the end user with a 10-year heat exchanger and a 7-year product guarantee available as standard. Wide modulation range designed to optimise efficiency when heating demand is low.
High-end design, quiet operation (up to 42dB(A)) with an intuitive, long text, colour boiler display for ease of use
Performance at low pressure
Quiet operation