Tower junction boxes are designed to facilitate the interconnection of heating controls, in conjunction with Tower multi-core flex.

JB6W for use as an intermediate connection box.
Dimensions: HxWxD = 70mm x 70mm x 24mm

WIR12JB for use as a heating system wiring centre.
Dimensions: HxWxD = 147mm x 98mm x 24mm

CODE 6 way = JB6W
CODE 12 way = WIR12JB