The Glow-worm 0020118147 Hydraulic Block (8L) is a genuine replacement assembly designed to manage and distribute water flow within compatible Glow-worm boilers. The hydraulic block integrates key components responsible for regulating system pressure, directing water between circuits, and ensuring stable boiler operation.

A worn or faulty hydraulic block can lead to leaks, pressure issues, circulation faults, or inconsistent heating and hot water performance. Replacing it with this genuine Glow-worm block restores reliable water management and efficient boiler function.

Key Features

• Genuine Glow-worm hydraulic block

• 8L configuration for correct system operation

• Regulates and distributes internal water flow

• Helps resolve circulation, pressure, and hot water issues

• Durable construction for long-term reliability

• Direct-fit replacement for straightforward installation

Compatible With

Suitable for selected Glow-worm boilers requiring the 0020118147 hydraulic block.

Please verify the part number with your boiler manual or existing component to ensure correct compatibility.