Attend site due to loss of hot water circulation on the ring main.<br />
Investigated and confirmed the hot water ring main circulation pump had failed.<br />
Isolated services and removed the faulty pump.<br />
Supply and install new hot water ring main circulation pump sized to suit system requirements.<br />
Reconnect pipework and restore power to the pump.<br />
Commission new pump and verify correct flow and temperature throughout the ring main.<br />
Confirm full restoration of hot water and correct system operation.<br />
Leave site clean and tidy.