Description
Tower WIRERITE 16-Way Junction Box – WIR16JB
The Tower WIRERITE 16-Way Junction Box (WIR16JB) is designed to simplify and organise the wiring of heating controls in Y-plan and S-plan heating systems. Its spacious internal layout and thoughtful terminal arrangement make it ideal for installations where multiple components such as programmers, thermostats, motorised valves, and pumps need to be connected cleanly and securely.
Built to support complex wiring configurations, the WIRERITE junction box features pre-wired links, including 4 neutral terminals and 4 earth terminals, helping to reduce installation time and minimise wiring errors. The generous internal space allows cables to be routed neatly, improving accessibility during installation and future maintenance.
The enclosure includes multiple cable entry knockouts to suit different installation methods. There are 4 knockouts for in-wall wiring and 6 knockouts fitted with cable restraints for surface-run cables, providing flexibility for a wide range of heating system layouts.
Constructed for durability and reliability, the Tower WIRERITE 16-Way Junction Box offers a practical and organised solution for managing heating system wiring in domestic and light commercial installations.
With dimensions of 122mm (H) x 229mm (W) x 43mm (D), the WIR16JB provides ample space while remaining compact enough for easy installation.
Full technical specifications, wiring layouts, and installation details can be found in the specification tab above.
Key features
- Spacious Design: Accommodates complex S-plan or Y-plan wiring.
- Pre-Wired Links: Includes 4 neutral and 4 earth terminals for easy setup.
- Knockouts for Wiring: 4 knockouts for in-wall wiring.
- 6 knockouts with cable restraints for surface wiring.
This 16 Way Junction Box is a practical choice for domestic heating systems where dependable operation, clear control and straightforward installation are important.
- Adequate room for S-plan or Y-plan wiring
- 6 knockouts with cable restraints for surface wiring
- 4 knockouts for in-wall wiring




























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