A Honeywell ST499A/ST699B Time controller/Progammer.
How do I get the front off/inside it ?
I think it must have been installed during the construction of the airing cupboard and access is very resticted.
It is driving me potty.
How do I get the front off/inside it ?
I think it must have been installed during the construction of the airing cupboard and access is very resticted.
It is driving me potty.