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bigred123
Oct 21, 2008, 09:15 AM
How to wire honeywell programmable thermostat #rth230b old wires ave seven wires,six connected. New thermostat only only five spots to connect
KISS
Oct 21, 2008, 09:33 AM
Ever thought you got the wrong stat? What terminal designations are available on each and which are connected at old stat?