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Potterton Puma 100e Low Pressure?

I have replaced the safety valve and thermostat on my boiler, when the system pressurises to about 1bar the low pressure light comes on and the boiler cuts out. if you release a fraction of water or wait approx. 10 mins (sometimes) the boiler resets and fires again
Paul, March 2008
I blead my radiators and now my pressure system is low on the boiler and there is no heat how can I fix this please

Sammy jo, January 2017
The low pressure gauge keeps dropping down to below 1 bar.

Ian C, March 2009
it sound like you have either a blocked low pressure switch, or the wires on the switch have been put onto the wrong connections.

gary.wright53@googlemail.com, March 2008
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