how do I install a noma programmabke thermostat?
I'm replacing a dimplex, It has four wires, 2 red and 2 black. The noma has only 2 black

I'm replacing a dimplex, It has four wires, 2 red and 2 black. The noma has only 2 black
Learn how to install a programmable thermostat at www.microsoft-hohm.com to save money and energy today - talk to us on twitter as well http
A quick video on how to replace the batteries in a Noma thermostat. Shot with an iPhone 4.
How a thermostat works