Tip & How-To about Heating & Cooling

Honeywell RTH7500D Thermostat

This Honeywell thermostat is a good medium priced thermostat that will give you many bells and whistles at a very good price. The programming is very easy to do and of course the thermostat is very reliable also.

The installation of this thermostat is very easy and if you need help with the installation you can go here to see the complete installation guide.


If you have lost your owners manual and need a copy of it you can go here


With the help of these .pdf files you can get all the information that you need to install and troubleshoot your RTH7500D thermostat.
If you are replacing a thermostat make sure that you turn off power to your heating or air conditioning system BEFORE you start removing any wires. Failure to do so could cause you to burn out the 24v transformer of your system. Also make sure to mark all wires well before removal so that you know which wire went where and so that you can reinstall the old thermostat as it was if something goes wrong with the new installation.

For heat pump systems you WILL have to make some programming changes to the thermostat to get it to work with a heat pump system. Most all thermostats come programmed for conventional systems. This reprogramming is not difficult but is required for proper operation.




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