The clock works fine until the central heating comes on (heating or water) then the fuse blows.
It's a right pain to access the plug as it's behind a cupboard in the utility room and the space is made for elves.
So I'm thinking there's a fault with either the new 3 port switch or new pump that was fitted about 3 weeks ago.
I had noticed a lot of start up rattling from the system if it went off for the night.
The plumber cleared out a lot of gunk from the system but I'm wondering if more gunk is blocking the pump, causing it to stall and blow a fuse.
Any ideas please?
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Central Heating Timer Blowing Fuse new
Central Heating Timer Blowing Fuse new