Recent content by ANDKAT

Ok Thanks i'll give it a go

How do I check the shaft when the system is filled? when I undo the front screw it releases the water

Hi Tony I've had the screw out of the front when the system was drained and could turn the impellor with a screwdriver and it span freely. Also the pump isn't a grunfos it's the original vaillant one that was fitted to the boiler

Back again, thanks for all your responses so far. I just want to double check that the pump has gone. I disconnected the pumps electrics from the boiler and connected it directly to a mains feed so it wasn't effected by any of the boiler circuitry. When I switched the mains on all I got...

Again daft as it sounds, do I have to split the grundfos pump as the pictures don@t seem to look like the pump in mine. The pipe connections look different. Or is it just my eyes?

Hi again Thanks for your quick responses, excuse my ignorance but to just change the head is that a matter of just releasing the four allen bolts. Is this the style that you mean? http://www.screwfix.com/prods/67637/Plumbing/Central-Heating-Pumps/Grundfos-15-60-Domestic-Circulating-Pump...

Hi all, This is my first post here so please be gentle. I have a Vaillant ecotec pro combi boiler and as is the way the pump packed in on christmas morning. The boiler is about four years old so well outside of the warrenty period. What I would like to know is can I replace the pump with a...