This controls the second stage of heating.
Rheem gas furnace thermostat wiring.
This connects to the y terminal.
The return wire is usually red and labelled r vr r or v vr.
Verify that the red wire is connected to the r terminal green wire to the g terminal and white wire to the w terminal.
The stage one heating and cooling wire is typically yellow and labelled y y1 or m.
I would like to upgrade to one of the newer thermostats something i can see in the dark and make changes in the settings from my phone.
If not connect them in this manner.
It is always important to pay attention to the wiring that you have at the air handler.
Strip the brown thermostat wire back one half inch and connect it to the w2 terminal on the furnace.
Looking inside my 2010 rheem gas furnace.
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How to wire low voltage thermostat wiring on a rheem rbhp air handler.
As you can see in the photo above this furnace does not have a c wire hooked up.
Rheem furnace thermostat upgrade i have a rheem classic 90 plus multi stage natural gas furnace ac humidifier unit that was new in 2000.
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With nearly 100 years of experience rheem has used the power of gas to fuel some great advancements in energy efficient home heating making a rheem gas home furnace one of the smartest choices you can make.
The reversing valve wire for cooling is typically orange but is occasionally blue and labelled o.