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Oh ok..all is well then I guess! :lol: Thanks!

Hi guys.. We have a honeywell 3 port valve and horstmann cylinder, wall stat and programmer which was fitted recently..spent a week looking for a heating engineer to do the work but all too busy, so a sparks mate of mine came around to fit these with me..both heating and hot water now work...

Hi all ! Could I ask some assistance please..I have a fully pumped system using a Netaheat boiler, honeywell v4073 diverter valve...cylinder stat and room stat. Im updating the controls from a standard rotary room stat with a switchmaster sm400 programmer to a horstmann centaur c17...