Gasman - Good suggestion! Thanks.
D - I think so. I've got this Honeywell valve in the airing cupboard next to the cylinder (see pic).
[url]http://media.diynot.com/220000_219978_79590_51904417_thumb.jpg 79590]
Hi All,
I've recently had my old condemned boiler replaced with a Bosch Worcester Greenstar 18Ri and kept all the original controls (TRV's, Room Stat, Cylinder Stat and Programmer).
I've always disliked the versatility of the setup. Programmer is a Potterton EP2002 that was installed with...