Megaflow pressure reducing valve

[JackRegan]

Hi all

I've been a forum lurker for a while and my time has finally come to have to ask something which the search doesn't find an answer for me ..

Megaflow water tank closed system which started to drip last night, I instinctively re-charged the air bubble. But, half way through I also noticed the pressure reducing valve was pretty scaled up all over the top .. I cleared this away and noticed a small amount of water seeping from the top, which after a while stopped.

I didn't check the temperature of the water going through the tundra(?) so I don't actually know if it was hot water and the tank needed doing or if was cold and actually from the reducing valve/expansion valve and it was cold. I wish they had separated the two..

I Checked again this morning and more water has leaked from the top of the reducing valve. I need to do some more tests tonight but any thoughts ? .. It looks like the valve can be unscrewed to be cleaned or should I call someone rather than meddling .. I appreciate its a closed system, and dangerous ..

There was still a drip after re-charging but this seems to be normal for a while and each time I have previously been through the process. Someone mentioned scale gets in and once opened the valves rarely fully close.

Thanks in advance for any advice ..

 

[twgas]

sounds like your control group may need replacing, this is a safety critical part and should only be done by a G3 certificated enginner.

 

[JackRegan]

sounds like your control group may need replacing, this is a safety critical part and should only be done by a G3 certificated enginner.

Hi

'Control Group' ? .. is that a bundle of both the regulator and pressure release valve ?

http://www.uk-plumbing.com/megaflo-...0.html?zenid=61f85ce05b132abe521802c7170fe0f2

 

[doitall]

Yes it's called the combination valve, but you need the PRV as well.

Check the size and model, or you could end up with the wrong one.

Do a google for price as well.