thermostat replacement for trane weathertron?

Answer 1

This is difficult. The links look good. The ebay is a $7 replacement, possibly exact. Goodluck

Answer 2

you did not specify what type of thermostat,i think its a three wire thermostat,but anway that is very easy,if you know something on electrical repair do the ff;
1. plug off your machine from the power source
2.take out the deffective thermostat but before you do this you must take note the color coding of the wire,its important to do this to make sure that there will be no malfunction when you put the machine in service...
3.replace the the new one and connect the proper wiring of the thermostat,
note that each wire has its own designation;
assuming
black - for 'on'
white- for 'off'
red- for common wire
you can determined this by using a multimeter if you know something on how to use this instrument...i think it helps
happy troubleshooting