I want to change my Randall 30 60 for a horstmann c27 or c17 is this possible I've on pen the Randall up and the wiring is as follows red / blank / yellow / live / neutral / earth is this any easy job thanks
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Changing a programer on central heating
- Thread starter Spark20
- Start date
The C17 is a single channel only, so will not be suitable (the 3060 is dual channel).
The C27 is dual channel and can probably be used.
How easy it is depends on the wiring used and what type of system it is.
What was the reason for replacement? if the old one is broken, the 3060 can still be purchased new.
The C27 is dual channel and can probably be used.
How easy it is depends on the wiring used and what type of system it is.
What was the reason for replacement? if the old one is broken, the 3060 can still be purchased new.
They wanted a digital one it's wired from a spur then 3 core on in the live one hot water and one central heating
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