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Mend Optima 701 Diverter Valve Air

Optima 701 Diverter?

Where is the diverter valve, does it have another name.
Is it part 43 Air pressure switch ?

Roy
September 2007
OptimaOptima 701Heating, Home Heating SystemsDiverter Valve Air
no air switch is for the fan.
diverter valve is at the bottom of the boiler

sonray heating
September 2007

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