WiFi Fused Spur Timer Switch for electric towel rails, heating, and lighting (if showing as unavailable, please visit our store at chosry dot com)

I bought two of these to control recently installed towel rails. The upstairs bathroom towel rail control is in the landing behind a big heavy bookcase, and the down stairs loo has been wired into the boiler cupboard. Both controls being generally inaccessible without moving furniture. These Wifi spurs do the trick brilliantly, easy to set up once the Tuyu app is installed, in my case to my ipad, but also works on smart phones. The added bonus is that they can be voice controlled via Amazon Alexa. Very impressive!

Most immersion heaters are rated at 3kw and will draw 13amps of continuous current. Because immersion heaters are powered on for so long, cheaper smart switches really intended for light circuits should not be used. This has Double-Pole Isolation: This is a vital UK safety standard for water heaters. It means when you turn the switch off, it physically cuts both the Live and Neutral wires completely, separating the water tank safely from your home's mains electricity. It also features a Replaceable Fuse so that if the immersion heater ever develops a fault, the fuse pops instantly to protect the house wiring. Note this unit does not include the back box and you need a deep back box for heat dissipation. Happy with purchase. Works very well a d connected to my SmartHome and Alexa apps.

(Only just fitted so can’t confirm long-term reliability or concerns raised in previous reviews, will update accordingly). However, initial experience is excellent. I have a 2nd immersion on my tank, the main heating/hot water being from an air-source pump. In August last year, I suddenly had no hot water, which led to finding out the 2nd immersion had been on 24/7 since I moved in 11mths previously (yes, ££ ouch!). It seems the fuse had blown in the socket but the plumber corrected the main system settings so I left the 2nd immersion switched off. Bought the Chosry to replace the original switch so I can have the 2nd as a back up to boost the main system but also be able to switch off remotely when I realise I’ve left it on. I was concerned about the wiring but once I got my head round the difference between in/out on the new switch and load/supply on the old one, the transfer was easy and painless. I was lucky it was the same size so just meant connecting the cables then the long screws provided fixed it to the original back box without needing to rerun any cables. WiFi connected immediately (already had Tuya app for a smart plug-strip) and also linked straight to Alexa. Now I can set key times for it to come on, and use voice commands on Alexa to boost/switch off without having to fumble around in the airing cupboard. Not sure if the immersion actually works still, but at least I now know it’s the immersion itself rather than the fuse spur, and once that’s fixed I’ll have hotter water, only when I need it :) (2nd pic is the top view of the original wiring, I marked the cables in/out before disconnecting so I knew where to connect them in the new switch)

Good unit, easy to install. The first one I bought developed a fault after 2 years; it wouldn't connect to wifi or Bluetooth, but the manual switch still worked. I replaced it with an identical unit. I use it to turn on my outdoor lights from sunset to sunrise, which is easy to do via the app.

Great product

Worst product, not even 6 months in use and this broken. The system says on but the electricity has not passed on to the immersion heater.I was waiting for hot water after turning the switch through alexa and after 30 mins there is no hot water, finally found that the switch is showing as on but the electricity is not passed on to the heater. very worst experience. Dont buy it, the product is not worth it.

Fantastic. Made in uk, easy to install and use.

Used to turn an immersion on/off after my fancy smart thermostat failed open, undertook plenty of research on this being capable of such a high load without failing, or worse catching fire. I'm on an Economy 7 tariff so using this allows me to switch it in at my discretion, so its on about 2 hours, rather than on and off over 7 hours, and even better allows me to monitor energy usage via the app. Took a couple of minutes to fit, looks nice and sleek, its literally 2 lights and a button, it connected to WiFi and was up and running within 5 mins So far its been rock solid, it uses the Tuya app which I already have for another smart device, and its Alexa compatible which means it fits into my other multiple home automations.

Good product. Easy to configure