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Mend Ravenheat Pressure Work

How to fix pressure drops- Ravenheat CSI 85 (T) 780 ?

My Ravenheat CSI 85 (T) 780 does not work properly in summer mode. The pressure drops to 0.5 and hot water time is limited unless switched to winter mode.

Anyone know how to fix this please?

We have tried opening the valve to put in more water with no success.

Thanks all!

Brigitte
September 2012
RavenheatHeating, Home Heating SystemsPressure Ravenheat Work
thanks!

Brigitte
September 2012
Sound like diverter valve or diverter valve microswitch fault

tojo
September 2012
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Ravenheat 80ERavenheat 820/20Ravenheat C85TRavenheat CSI 85 (T)Ravenheat CSI 85 A(T)Ravenheat CSI85TARavenheat GemRavenheat HE85TRavenheat RS40Ravenheat RSF 100Ravenheat RSF 820Ravenheat RSF 820/20 T

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