Boiler Programmer / Controller Swap Help

ard2dabone

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Hi All
Looking for help. My sisters boiler programmer is faulty, so I've bought a like for like programmer (Worcester Bosch DT20RF), think her boiler is a Worcester Bosch Greenstar 24i/28i Junior.

Seen a video online that showed a few seconds of installation, I.e. taking old programmer out. Looked simple, to connect, one multi pin ribbon connection, so wondered if I could tackle this myself.

So my question is, is it as simple as it looks (take boiler cover off, disconnect old programmer, connect new one, boiler cover back on). Or is their something else I'm missing, don't know about or haven't considered? Does gas need to be off when programmer not connected, does pilot light go out, does electrical supply need to be cut off, etc?

Any help appreciated 👍
 
Pro tip for staying alive - don't fudge with gas or leccy. Just suck it up and pay a man/lady/trans to do it.
 
Like you've said, it comes with a ribbon cable that just unplugs, I'd advise turning the boiler electrical supply off anyway though, better to be safe than sorry... ;)

There are fitting instructions you can download.
 

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