British Gas Rc5 I Have Just Had British Gas Put In And A Glowworm Styme And A Remote Thermostats (rc5)can Any One Tell Me How

I have just had british gas put in and a glowworm styme and a remote thermostats (rc5)can any one tell me how - british gas rc5

British Gas thermostatic remote (RC5), no one knows, you can download a brochure Gas Board no more than one by the time I was a sent that froze my B --- s off thank you