They changed the frequencies a while back. If you dont have the RF1 what is the point of fitting an SCR? They come as a kit RF1/2/3
Its been a little while since I played with one but yes there should be a light on when you power it up afaik
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local