Unvented Hot water system - Hot and cold pressure change

Postby simon1966 » Sun Mar 06, 2011 10:27 pm

I have a Santon unvented system providing hot water. Up until now everything has been great, hot and cold at a good pressure. Just lately i have noticed the cold pressure has fallen but the hot is still good. How can than be if the hot water pressure is derived from the cold supply pressure?

I have need looking for restrictions in the cold but can't really think what it could be, was considering changing scalemaster inline scale inhibitor but does sound like bit of a long shot!

Any help greatly appreciated.


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