Gledhill Platinum Int Exp Ind 120 Internal Expansion

The Gledhill Platinum Int Exp Ind 120 is the internal expansion component used within the Gledhill Platinum Int. Exp. range. It is listed for indirect cylinders and works as part of the appliance's expansion arrangement, accommodating the volume change in the system as the stored water heats. It is supplied under the product reference Gledhill Platinum Int Exp Ind 120 Int. Exp.

• System pressure rising or fluctuating more than expected during heat-up
• Water discharging from the appliance's pressure relief arrangement
• Loss of air charge, with pressure falling again soon after topping up
• Water present at the expansion connection or charging point
• Repeated pressure problems traced to the internal expansion arrangement

• Confirm the cylinder model on the appliance data plate matches the Platinum Int. Exp. range
• Check whether the installation uses an internal or external expansion arrangement
• Confirm the vessel connection is accessible in the cylinder's installed position
• Verify the cylinder has been installed and is serviced in line with UK unvented cylinder requirements