Sounds like a plan, cheers!
I'm renting but for the sake of 10 quid and with the whole covid situation I might as well replace it if they're ok with it.
Tomorrow I'll check...
Indeed, two 2port valves.
Honeywell 4000 3916-001 is the hw one.
Apologies for the links, fat fingers when pasting.
Just to add, the pump runs momentarily when I push the manual lever on the HW valve quick...
I realised I've got a hot water issue (fortunately not while in the shower!). My flat has communal heating for hot water/central heating...
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