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senga August 11th 06 04:26 PM

ferroli combi pressure problem
 
Ferroli Optima. Decided to check combi yesterday for water level. Pressure
was down below 2. Opened filler & let pressure rise to 2.5.

This morning turned on hot water but got none, checked pressure again & it
was down almost to zero, filled again & noticed overflow/safety release
valve was running outside & trickled away until pressure was almost zero
again.

Anyone who knows what my problem could be, everything was ok until I topped
up yesterday.



--
Posted via a free Usenet account from http://www.teranews.com


Tony Bryer August 11th 06 05:12 PM

ferroli combi pressure problem
 
On Fri, 11 Aug 2006 16:26:00 +0100 Senga wrote :
Ferroli Optima. Decided to check combi yesterday for water level. Pressure
was down below 2. Opened filler & let pressure rise to 2.5.

This morning turned on hot water but got none, checked pressure again & it
was down almost to zero, filled again & noticed overflow/safety release
valve was running outside & trickled away until pressure was almost zero
again.

Anyone who knows what my problem could be, everything was ok until I topped
up yesterday.


Why are you trying to run the system at 2.0. Except on a 3+ storey house, 1
would be normal.

From your description it sounds like the expansion vessel has failed.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk


raden August 11th 06 08:53 PM

ferroli combi pressure problem
 
In message , senga
writes
Ferroli Optima. Decided to check combi yesterday for water level. Pressure
was down below 2. Opened filler & let pressure rise to 2.5.

This morning turned on hot water but got none, checked pressure again & it
was down almost to zero, filled again & noticed overflow/safety release
valve was running outside & trickled away until pressure was almost zero
again.

Anyone who knows what my problem could be, everything was ok until I topped
up yesterday.

Err ... leaking safety release valve (as you said) ?

2,5 bar sounds a bit high, should prolly be nearer 1.5, look in the
manual

repressurise it to the correct pressure and open the valve - see if the
rush of water cures the problem (crud on the valve seat)

else replace the valve

--
geoff

Ed Sirett August 11th 06 10:13 PM

ferroli combi pressure problem
 
On Fri, 11 Aug 2006 16:26:00 +0100, senga wrote:

Ferroli Optima. Decided to check combi yesterday for water level. Pressure
was down below 2. Opened filler & let pressure rise to 2.5.

This morning turned on hot water but got none, checked pressure again & it
was down almost to zero, filled again & noticed overflow/safety release
valve was running outside & trickled away until pressure was almost zero
again.

Anyone who knows what my problem could be, everything was ok until I topped
up yesterday.


Check out the SealedCH FAQ.


--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at http://www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html
Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html
Gas Fitting Standards Docs he http://www.makewrite.demon.co.uk/GasFittingStandards



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