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 Post subject: Electric Radiators
PostPosted: Wed Nov 01, 2017 3:37 pm 
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Before I call a local plumber, can anybody tell me the requirements to wire in an oil filled radiator to a small bathroom.
The heater is 150 watts 240 volts and 10HZ, I have no idea what any of that means.

Does it need a dedicated circuit (as a plumber told me) or can it be a spur off another plug circuit ?

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 Post subject: Re: Electric Radiators
PostPosted: Wed Nov 01, 2017 4:51 pm 
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I take it you meant 50 Hz... even so a 150 Watt heater could be quite safely run from the lighting circuit..

In your case a spur off the sockets via a switched fused unit with a 3 Amp fuse should be do-able.

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 Post subject: Re: Electric Radiators
PostPosted: Wed Nov 01, 2017 5:16 pm 
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That's what I wanted to hear...............thanks a million.


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 Post subject: Re: Electric Radiators
PostPosted: Wed Nov 01, 2017 11:18 pm 
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There is nothing wrong with fitting a oil filled radiator in a bathroom, however there are rules to be followed to make it safe. The main thing is items fitted in a bathroom need to be designed for that environment, and we would normally use RCD protection.

Some oil filled radiators have the thermostat bolted onto the end of the radiator like this one Image when doing PAT testing I found this type quite often had a poor connection connection, simple problem the nuts would become lose and a little rust all that was required was a little cleaning and tighten up the nuts.

However in a bathroom where rusting is more likely and lost of an earth connection could be fatal this model would need regular testing. The problem with domestic is we don't test and inspect on a regular basis.

It I wanted to heat a bathroom I would want a fast method, the two main heaters for bathrooms are the inferred and fan heaters, both normally wall mounted where in normal use you don't touch the actual heater, and with the fan heater it is mainly plastic. They need to be designed for wall mounting, in the main this means the thermal fuse is in a different position so if the fan fails it auto turns off the heater.

I think you will find if you Google bathroom heater very few are oil filled radiators.



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 Post subject: Re: Electric Radiators
PostPosted: Thu Nov 02, 2017 12:32 pm 
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I said it was oil filled but on a second look it's not.
It is electric from BQ bought some time ago by the wife, I promised to get it fitted before the cold weather started, and it has started.



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 Post subject: Re: Electric Radiators
PostPosted: Sat Nov 04, 2017 9:43 am 
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Bruv wrote:
I said it was oil filled but on a second look it's not.
It is electric from BQ bought some time ago by the wife, I promised to get it fitted before the cold weather started, and it has started.

So do B&Q list it as suitable for bathroom, and will it be RCD protected. I looked on B&Q web site, only electric heaters I could find which says suitable for bathroom were towel rails.

If you consider the oil filled radiator I showed picture of, if RCD protected and in any room other than bathroom a lack of earth connection between radiator and the control box, plus a fault making the radiator live is slim, one because unlikely the earth would be lost if used in a dry room, and two unlikely enough power would not flow to earth to trip the RCD well before you touch it. And even if you did get a shock it would be unlikely to kill you.

But same item in a bathroom and the risks go up, one more likely to rust to get earth fault to start with, and with restricted room in bathroom more likely to actually touch it, also likely to have a wet body so if you do get a shock likely it will kill you even if RCD protected, a RCD reduces time of contact to less than 40 mS but it does not stop you getting a shock.

So it's simple unless manufacturer says suitable for bathroom, don't use it in a bathroom.



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 Post subject: Re: Electric Radiators
PostPosted: Sat Nov 04, 2017 12:10 pm 
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THIS http://www.wickes.co.uk/Kudox-Flat-Electric-Towel-Radiator---White-400-x-700-mm/p/137752?CAWELAID=120135120001186943&CAGPSPN=pla&CAAGID=52608962544&CATCI=pla-297902548028&gclid=Cj0KCQjwyvXPBRD-ARIsAIeQeoE-aGs1_zNs9Y51o5uxRhu-9wOo0o--772VbSsAUCbEH3h4bkRtSzwaAh-PEALw_wcB&gclsrc=aw.ds is the Electric ladder towel rail my wife bought alone, we had looked at them before. I was considering a fan heater, she went and bought this.



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 Post subject: Re: Electric Radiators
PostPosted: Sat Nov 04, 2017 2:09 pm 
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Unless your bathroom is insulated to the nth degree a (useless) 150W heater could probably be replaced with a heat LAMP in the ceiling socket to better effect. Light AND heat for the same cost.... what's not to like?

Besides, instant heat (as mentioned above) would be far more cost effective than running a 150W radiator 24/7.

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 Post subject: Re: Electric Radiators
PostPosted: Sat Nov 04, 2017 2:30 pm 
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Although the bathroom is insulated it is an ancient house with no cavity, just insulated panels on 2 walls and wet wall cladding all around.....because it's like a fridge.
On second thoughts I might sell the towel rail on Shpock and buy a fan heater, I will have to break it to the missus gently though.

Many thanks



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 Post subject: Re: Electric Radiators
PostPosted: Sun Nov 05, 2017 7:32 pm 
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Towel rail OK it is designed to be used in a bathroom.



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 Post subject: Re: Electric Radiators
PostPosted: Mon Nov 06, 2017 6:21 pm 
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I have installed these before although 150w won't exactly warm up a large bathroom

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