POTTERTON PUMA 100

doughty1 · 17 Nov 2006

System has needed topping up twice a year since installed (4 years ago) . Low pressure light comes up and normally just top up from below.

Now it appears that the water isn't getting into the system. I know that it is coming through and the valve is open, however the low pressure light remains as does the cold water and no heating.

Any thoughts / ideas or suggestions????

kevplumb · 17 Nov 2006

disconnect the pressure switch

Rob · 17 Nov 2006

the low pressure switch is probably blocked and not detecting the pressure. needs cleaning out or replacing. both require the boiler to be drained.

kevplumb · 17 Nov 2006

my way is easier and cheaper

gazthepottertonengineer · 17 Nov 2006

kevplumb said:
my way is easier and cheaper

Agreed Kev and it cant be that important if they left it out on the cheaper combi version

Agile · 17 Nov 2006

If the pressure is set to about 1.8 Bar then it usually resets itself after a few hours!

Tony

gazthepottertonengineer · 18 Nov 2006

Agile said:
If the pressure is set to about 1.8 Bar then it usually resets itself after a few hours!

Tony

and then when it heats up it rises to more than 3 bar and blows the prv brilliant

Agile · 18 Nov 2006

If the expansion vessel is correctly pressurised it should only rise by about 0.3-0.4 Bar between a cold and a hot system.

Tony

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POTTERTON PUMA 100

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