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I have a new Vokera Unica 36HE combi with the following DHW stats: 36kw heat input, 14.7 ipm flow rate at 35*C, 6.0 max bar pressure, 0.15 min bar pressure, 2.0 (l/min) min flow rate. I need a shower, which will be fitted some 38 feet away on the same floor level as the combi. We...

Just started the bathroom plumbing and will then be tiling over it, but have questions regarding bonding work. Whats the best/discreet way to bond pipework that will be very visable to all? Do the pipes for mixer (non-electrical) showers need bonding too? What size earth should be use...

When earthing a steel knockout box, should you: earth the box from the FCU supply (mains) earth terminal or from both the supply and load earth terminals? The FCU 2 earthing terminals themselves aren't marked for supply or load, so I picked the top one for supply earth ! Many thanks

I'm putting a timer fan in the bathroom and it needs a FCU (3amp fuse). The fan will operate on its own seperate pull switch, independant of the light. Can you please help me understand how to wire it. I'll be connecting from the lighting junction box, but: Do I take the 2c & e cable...

Need to wire a bathroom timer fan that will operate via a seperate pull switch (independant of the bathroom light) and need some help understanding the layout. There will be a 3 pole switch outside the bathroom. Do i: A = take a 2 core & earth from the lighting circuit (junction box) to...