Worcester Greenstar 22 mm System Filter 7733600236

The Worcester Greenstar 22 mm System Filter 7733600236 is a powerful magnetic and non‑magnetic filter that removes rust, metal filings, solder fragments and other debris from your central heating water — helping prevent boiler and pump issues. It is easy to install under, over or remotely from the boiler and includes isolation valves, a detachable body for easy servicing and a drainage point for maintenance. With up to 300 g of magnetic debris captured, this filter helps prolong boiler life and maintain heating efficiency.