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Timeguard STBT4 2 Hour Electronic Boost Timer (2019 Model) £20.34
Timeguard STBT4 Boostmaster 2 Hour Electronic Boost Timer
The STBT4 is a boost timer for immersion and room heaters. Simply press the button to increase the ON time for up to 2 hours.
13A (3kW) loading.
Timer Mode: Boost
Comes with a 3 Year Guarantee
There are 1 reviews with an average rating of 4.00
Tony from Ireland05 January 2021 15:47
I use to this on a 1800watt heater in a workshop. I was always leaving it on by mistake. This product sorts this out. Fitted and works fine. Shipping was fast and price was good so happy out.
Paul from United Kingdom asks
Will this work on an immersion heater on off switch in Barbados, main electricity supply is 115v