Search results

no doubt a silly question but i am currently trying to learn about different central Heating systems and wondered specifically why the 2port valve is used in a gravity c-plan system ie what and why/when it does what it does,a "to make it more efficient" answer isnt the vague kind of answer im...

Hi a colleage has moved his cylinder tank into the loft, now the feed(top pipe to the coil)is higher than the cistern is this ok?Also is changing a gravity system to a pump system a difficult task bearing in mind he seems to have a "c-plan" ie a cylinder stat and diverter valve tho i could be wrong!

Hi there i need to swap an old water circulation pump for a new one,trouble is the old one has 4 wires coming into it,white/yellow/blue and earth,the new pump only has provision for 3 wires live/neutral/earth,can i still swap it over?what are the yellow /white connections for?any help would be...