Can anyone recommend an immersion heater timer (or just a device to turn the heater on and off) with WiFi (preferably) or Bluetooth interface?
Immersion heater WiFi timer
Jan 12, 2013
4 Replies
On Saturday 12 January 2013 23:59 Timothy Murphy wrote in uk.d-i-y:
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is insanely expensive - but the self contained nature might appeal.
Or, the other day, someone mentioned LightwaveRF - you'd need 2 devices:
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that comes to half the cost.
Slightly better than plugging the immersion in would be to swap the socket above for:
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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.
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.
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.
RPi with a USB wifi dongle perhaps?
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