I need a wiring diagram for your model 7260ight and heater. Is that possible?

Wiring Diagram for a Coleman Furnace - RV-Coach Online

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... Furnace, Mark, 9-12-07. Need wiring diagram for coleman furnace Model # 7700B856 .... Amanda, 11-10-11. I need a wiring diagram for a Coleman evconpresidential model 7956c856 ... Need wireing diagram for coleman 3500a916 ... More results from www.rv-coach.com

FURNACE Diagram & Parts List for Model eb15b Coleman ...

http://www.triciajoy.com/subject/manual+for+coleman+electric+furnace+model+eb15b/

Hope this helps

Is this electric water heater?
Does it have 1 or 2 elements?
http://waterheatertimer.org/How-to-wire-water-heater-thermostats.html
http://waterheatertimer.org/images/WH-w-combined2-1000.jpg
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Hello, Namalee -

I find that the Nordyne brand is what is called a "legacy brand" owned by Nortek Global HVAC.
https://www.nortekhvac.com/

That means Nortek owns the brand name and nothing is currently manufactured with the Nordyne name.

I have looked through the Nortek Global HVAC web pages and have not found any source for a wiring diagram for your model Nordyne furnace.

I suggest you telephone the company (headquaters in O'Fallon, Missouri - Central Time zone) and ask if the company can provide you with a wiring diagram or direct you to a reliable source for it. This is the toll free phone number I found on the Nortek website:
800-422-4328

Heres a wiring diagram which can be found on the inside of the heater. What i would like to find is the system wiring diagram referenced at the bottom of that diagram.

installing a wall mount heater not sure on the wiring .heater has 3 wire black red and blue sources has white and black what wires go together

this should help, althought they don't list first alert, they have several different wiring diagrams available.

http://waterheatertimer.org/Compare-13-electric-water-heater-timers.html

What's the model number?