Supply and install new Zip boiler filter.<br />
Isolate water supply to the Zip unit and make area safe.<br />
Remove existing filter and clean connection points.<br />
Install new Zip filter cartridge and housing as required.<br />
Reconnect water supply and restore pressure.<br />
Flush system to remove air and ensure correct flow through the new filter.<br />
Test Zip boiler operation to confirm proper heating and water delivery.<br />
Check all connections for leaks and leave site clean and tidy.