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Well i am totally confused no one seems to have answered my question just all calculation talk. the cable i used is round heat resistant three core 1.5.Do i understand that at worst the heater will have a load of 16amp and i have a 15amp switch in the cu would that cause the fuse to blow after...

Hi changing the cable to 2.5 is not a problem but the unit switches are all marked 15amp what needs to be done to change to a 20amp fuse.Again any guidance would be appreciated.And thanks for your expert advice so far.

Hi all a few weeks back i replaced and installed a new Dimplex 3.4kw storage heater.While at B+Q i quizzed their sparky on what cable size to use explaining in the unit there are 15amp fused switches for each heater. He said he had spent two years installing storage heaters.He said 1.5 heat...

Hi thanks for your response i think i will have to do that to be on the safe side.The other problem or not is that the 1.7kw heater is going to part cover the fused switch i will still be able to access the switch to turn it off but only just.I intend to fit a brass switch.Will this be safe the...

Hi all hope you can help i have removed two old storage heaters one large and one smaller i do not not know what wattage these were.I intend to replace them with a 3.4kw and 1.7kw in the same locations.The current switches are an isolation switch with neon light where 3.4kw will go and a 13amp...