Immersion heater WiFi timer

Can anyone recommend an immersion heater timer (or just a device to turn the heater on and off) with WiFi (preferably) or Bluetooth interface?
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Timothy Murphy
e-mail: gayleard /at/ eircom.net
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On Saturday 12 January 2013 23:59 Timothy Murphy wrote in uk.d-i-y:

http://www.heatmisershop.co.uk/thermostats-c1/wifi-thermostats-c12/rf - switching-models-c31/tm1-ts-wifi-rf-kit-wifi-enabled-time-clock-with-rf- switching-p106
Which is insanely expensive - but the self contained nature might appeal.
Or, the other day, someone mentioned LightwaveRF - you'd need 2 devices:
http://www.lightwaverf.co.uk/LightwaveRF-Home-Automation-Power-Socket - Switched-1-gang-13amp.html
and
http://www.lightwaverf.co.uk/LighwaveRF-Connect-Home-Automation-Smartphone - Wifi-Link-White.html
But that comes to half the cost.
Slightly better than plugging the immersion in would be to swap the socket above for:
http://www.lightwaverf.co.uk/LightwaveRF-Inline-Relay-JSJS-LW821.html
and use that to drive a heavy duty relay for 13A control (crimp/solder flex onto the relay, heatshrink connections, put in box, use glands for strain relief.
--
Tim Watts Personal Blog: http://www.dionic.net/tim /

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Tim Watts wrote:

Thanks very much for the useful info. As you say, this is very expensive; but it seemed the only device among those you listed which told one the actual temperature of the water - that would be useful, though not essential.
I suppose an app on a phone or desktop which acted as a timer would not be too difficult to set up.
--
Timothy Murphy
e-mail: gayleard /at/ eircom.net
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On Sunday 13 January 2013 14:12 Timothy Murphy wrote in uk.d-i-y:

Should be straightforward with the Lightwave stuff if you don;t mind a little scripting.
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Tim Watts Personal Blog: http://www.dionic.net/tim /

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On 12/01/2013 23:59, Timothy Murphy wrote:

RPi with a USB wifi dongle perhaps?
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Cheers,

John.

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