Today’s thermostats have so many new functions. So there are many more wires to connect up when installing a new or replacement t-stat. Gone are the two-wire days. In those times, all you needed was one wire from the furnace transformer. Plus, you had another to feed power to a gas valve or relay to … Continue reading Honeywell Thermostat 4 Wire Wiring Diagram
Tag: Wiring
How to Wire a Honeywell Thermostat with 4 Wires
If you’ve installed more than a few thermostats, you’re likely to have come across many that utilize four wires, as shown below in the units we’ve hooked up. Typical 4 wire thermostat (t-stat) wiring examples follow. Some have the common (C) wire, while others do not. Both examples of how to wire a Honeywell thermostat … Continue reading How to Wire a Honeywell Thermostat with 4 Wires
Honeywell Smart Thermostat Wiring Instructions
The most “meaty” part of installing a new Honeywell smart thermostat, is correctly wiring it up. One useful feature about Honeywell t-stats, is that they generally use the same wire labeling as their older models. Today’s WiFi t-stats still use the R, Rx, C, W, Y1, Y2, et al wires in the same way. Their … Continue reading Honeywell Smart Thermostat Wiring Instructions
4 Wire Thermostat Wiring Color Code
If you’ve installed more than a few thermostats (t-stats), you likely noticed that many of them use four wires. See this shown below in the units we’ve wired. Typical 4 wire thermostat wiring color code examples follow. 4 Wire Thermostat Wiring Color Code In the setups we’ve seen, the most common wire color code guide … Continue reading 4 Wire Thermostat Wiring Color Code
Honeywell Thermostat Wiring Color Code
With so many new functions appearing on today’s modern thermostats (t-stats), there is of course, many more wires to connect up nowadays, when installing a new or replacement t-stat. Gone are the two-wire days, when all you needed was one wire from the furnace transformer, and the other to feed power to a gas valve … Continue reading Honeywell Thermostat Wiring Color Code