Worcester Bosch Greenstar Magnetic System Filter 22mm / 28mm

Worcester Bosch's own Greenstar System Filter, a magnetic central heating filter for the heating return to the boiler. Worcester's extended boiler guarantees depend on a Greenstar System Filter being fitted by an Accredited Installer (Worcester's terms apply).

Key points

• Magnetic and non-magnetic filtration
• High-powered internal magnet
• Fits under or over the boiler, or remotely
• One-way valve for adding system chemicals; isolation valve indicators
• Detachable body for servicing and powerflushing, drain point at the bottom

What's included

• 1 x Worcester Bosch Greenstar System Filter in the size you select, with isolation valves

Specification and price

Image shows the 28mm filter; the 22mm is the same design.

Fits these boilers: Greenstar 1000 combi · Greenstar 2000 combi · Greenstar 4000 combi · Greenstar 4000 system · Greenstar 8000+ combi · Greenstar 8000+ Style combi · Greenstar 8000+ system · Greenstar 8000+ regular · Greenstar Ri regular · Greenstar i System Compact · Greenstar CDi Compact combi · Greenstar 8000 Life 30kW regular (clearance).

Installation and compliance

Install on the heating return to the boiler following Worcester Bosch's instructions. Worcester's extended guarantee terms are set by Worcester Bosch and require registration and an Accredited Installer; extended guarantees are not available with the System Filter Micro.

Delivery and collection

Free UK delivery on orders over £50, £4.99 under £50. Free collection from our Lincoln unit (Leafbridge Business Park, LN6 9WG), usually ready within 24 hours. Order-in items are usually with us in 2-4 working days.