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Mend Flowmatic 20/80 Home Heating Systems

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Mend repair fix Flowmatic 20/80 home heating systems

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Mend Flowmatic 20/80 Boiler Pressure Relief Valve

the pressure on my 20/80 flowmatic keeps rising?

hi there the pressure on my boiler keeps going up and blows off leaving me with no hot water until i turn the pressure relief valve and bring the pressure back down to 1 and a half bars. whats wrong with it and how do i fix it? thanks

andrew
June 2008
FlowmaticFlowmatic 20/80Heating, Home Heating SystemsBoiler Pressure Relief Valve
also, just to add, you should never use the 3bar safety valve to lower pressure, at some stage it will not reseat and will dripp forever until replaced!

either use the boiler drain valve or bleed from a radiator

T
June 2008
The filling loop valve (that allows you to pressurise the system after maintenance) isn't fully closing on this one, I feel. Check that its fully turned off.

John
June 2008

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Mend repair fix Flowmatic 20/80 home heating systems