Hi
I thought it would be simple to buy a universal backplate for a honeywell st9400 CH/HW programmer but i can't find one for sale anywhere on the internet - any suggestions would be very welcome.
I'm replacing a very old timer that does not have a compatible backplate.
Many thanks
I thought it would be simple to buy a universal backplate for a honeywell st9400 CH/HW programmer but i can't find one for sale anywhere on the internet - any suggestions would be very welcome.
I'm replacing a very old timer that does not have a compatible backplate.
Many thanks