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HELLO ! CAN ANYONE TELL ME HOW TO FILL THE SYSTEM (I THINK) OF A FERROLI BOILER. i HAD A RADIATOR RE FITTED AFTER TILING BATHROOM AND THE PRESSURE IS ZERO . I CAN'T REMEMBER HOW I'M SUPPOSED TO REINSTATE THE PRESSURE. ITS A FERROLI OPTIMAX HE COMBI 31kw. ?????

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Sorry, never heard of such monster!

Posted on Aug 23, 2008

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The pressure started to drop every day and needs to be filled with water(dry fire??). This happened after repositioning of some of the radiators daown stairs after fixing the wood flooring. The...


Hello
The operating pressure should be between 12 and 15 psi.It may go up some while in operation.

A pressure loss indicates a leak,you may be able to find the leak by filling the boiler up to 15 to 20 psi,then running it for a while.

Once you have it running check all fittings and solder joints for water leaks,lay a white paper towell down at the radiator conection areas and see if you get any water spots.Sometimes using a soap and water solution and applying it to the joints and connections will help,if you see bubbles thats where your leak is.

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Hello
By your post im guessing you have a 2 story house.
Have a look at the boiler,water pressure guage.Should be between 12 and 15 psi 140 to180.f when running.
If its above or close to 30 psi the relief valve will open to let off the pressure,we do not want this to happen normally.

If you have high water pressure at the boiler you will need to go to the highest radiator or any one on the second floor and open the bleeder.Looks like this

http://www.ourfixerupper.com/wp-content/uploads/2007/11/cast-iron-radiator-02.jpg

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Please rate this solution.

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