Joule Wiring Centre – ESI PCB 4-Pin for Therma Q & Evocyl Cylinders (ESWCPCB3CB)
The Joule Wiring Centre (ESI PCB 4-Pin) is a genuine replacement control board used in Joule Therma Q and Evocyl unvented hot water cylinders. It provides the electrical connection point for system wiring and controls, helping manage communication between the cylinder components and the heating system.
This Joule wiring centre PCB is commonly used as a replacement control board in Joule cylinders where the original wiring centre requires replacement or repair. The module connects directly into compatible Joule cylinders and helps maintain stable system operation.
Key Features
IN STOCK
• Genuine Joule ESI PCB 4-Pin wiring centre
• Designed for Joule Therma Q and Evocyl cylinders
• Provides centralised wiring connection for cylinder controls
• Used for repair or replacement of existing Joule cylinder wiring centres
• Genuine Joule replacement component
Common Applications
The Joule ESI PCB wiring centre is typically used in:
• Joule Therma Q hot water cylinders
• Joule Evocyl cylinder systems
• Replacement of faulty cylinder control boards
• Servicing and maintenance of Joule cylinder installations
Related products:
THIS IS THE 4-PIN OPTION. FOR 6-PIN, PLEASE SEE Joule Cylinder ESI PCB 6-PIN Wiring Centre
Original: $153.75
-70%$153.75
$46.12



Description
The Joule Wiring Centre (ESI PCB 4-Pin) is a genuine replacement control board used in Joule Therma Q and Evocyl unvented hot water cylinders. It provides the electrical connection point for system wiring and controls, helping manage communication between the cylinder components and the heating system.
This Joule wiring centre PCB is commonly used as a replacement control board in Joule cylinders where the original wiring centre requires replacement or repair. The module connects directly into compatible Joule cylinders and helps maintain stable system operation.
Key Features
IN STOCK
• Genuine Joule ESI PCB 4-Pin wiring centre
• Designed for Joule Therma Q and Evocyl cylinders
• Provides centralised wiring connection for cylinder controls
• Used for repair or replacement of existing Joule cylinder wiring centres
• Genuine Joule replacement component
Common Applications
The Joule ESI PCB wiring centre is typically used in:
• Joule Therma Q hot water cylinders
• Joule Evocyl cylinder systems
• Replacement of faulty cylinder control boards
• Servicing and maintenance of Joule cylinder installations
Related products:
THIS IS THE 4-PIN OPTION. FOR 6-PIN, PLEASE SEE Joule Cylinder ESI PCB 6-PIN Wiring Centre







