How to troubleshoot your thermostat | Solved on Screen | As we can't help with all appointments at this time, our engineers are solving common problems, from their very own homes. If
![I have a British Gas rc1 thermostat about 15 years old. Battery flashing, it has one small screw at the bottom which I I have a British Gas rc1 thermostat about 15 years old. Battery flashing, it has one small screw at the bottom which I](https://www.justanswer.com/uploads/JO/josephh/2022-2-2_123940_.64x64.png)
I have a British Gas rc1 thermostat about 15 years old. Battery flashing, it has one small screw at the bottom which I
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