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Mend Ravenheat CSI 85 (T) 780 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

Ravenheat Ravenheat CSI 85 (T) 780 Heating, Home Heating Systems Pressure Ravenheat Work

thanks!

Brigitte
September 2012

Sound like diverter valve or diverter valve microswitch fault

tojo
September 2012

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Ravenheat CSI 85(T) 780: Pressure Drop Fix