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appreciate this thread is old, but I had exactly the same happen this week. We have UFH (12m sq , 200W per sq metre) and was using a 13AMP Fused Spur. Smelt something Fishy in the evening, didn't know what it was. Turned out it was the fused spur and the next day we saw a small amount of...

The 2.5mm that was shared with the 32amp (for kitchen hob) has been moved onto its own 16AMP breaker as you have all advised. I have ordered a 20A DP switch to replace the 13A Fused spur as suggested. This morning it is currently running on the 16A breaker and with a new temporary 13AMP...

Yes absoutley, but to get some advice before I request the work done, in your professional opinion with the details I have provided, you think a 16A Breaker with 20A DP ?

thanks Mike, do you agree then for this to be installed on a 16A Breaker with 20A DP instead?

ok thanks EFLImpudence do you think its looking more like the 13amp fused spur has been run at long periods and killed it? Assume you agree with having a dedicated 16A Breaker and 20A DP ?

Hi, on removal nothing appeared to be loose. Yes the UFH does have an earth screening.

Yes its covered by RCD. And I was thinking the same. You may think I was wrong to install a new 13amp fused spur but if their was a fault with the floor it would have blown within the last 5hours of me changing it. I'm not an expert and I really take others advice but my feeling is the...

I will install a B16 breaker for the floor only, and a 20AMP DP. If your theory is correct and the floor is faulty, it should trip the 16A Breaker correct?

absolutely, thank you for the info. I will install this on its own B16breaker and buy a 20AMP DP. Am I right in saying, the current installation is 'ok' but the Fused Spur sockets burn out if used with high loads for long periods?

I guess this is what I need: http://www.ebay.co.uk/itm/Crabtree-20A-DP-Switch-with-Neon-Black-Nickel-NEW-/252216353158?hash=item3ab9442186:g:998AAOSwCQNWcqoc Would this solve the problem without having to install this on its own 16A Breaker or should I definitely do both ?

Hi thank you so much for the quick reply. The fused spur is a crabtree like this one on ebay: http://www.ebay.co.uk/itm/270749960115?_trksid=p2055119.m1438.l2649&var=570020407769&ssPageName=STRK%3AMEBIDX%3AIT I could put the 2.5mm cable for the floor heating on its own B16breaker , I did ask...

Hi I have a 12sq m Electric underfloor heating mat rated at 200W per Sq Metre Total of 2400W. A quick check online calculator indicates 10AMPs. The feed to this spur is on 2.5mm electrical cable and is not part of a ring main. Its connected in the fuse box to a 32amp breaker. We also...