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Mend Honeywell RDH10RF Home Heating Systems

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Mend Honeywell RDH10RF Unit Display Showing

i have a problem with my rdh10rf?

i have put new batteries in my unit but it is not working the display is showing 88.8 at top and ee.e at bottom, please help.

warren
March 2010
HoneywellHoneywell RDH10RFHeating, Home Heating SystemsUnit Display Showing

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