E-Classic 2300 wood only water temp sensor

JJ · December 15, 2014, 10:39:09 AM

Hi,
I notice my wood furnace didn't kick on after family showers this morning.
I check the digital temp, and reading 237F; which I think is max. I had this reading before, when I had loose connections, which I fixed by re-crimping.
So I reset stove (off/on), wiggled bunch of wires and reading came back to 169F and stove kicked on.

I go inside to read the hot aquastat and is almost 190F (?). Normally I have good agreement between the outside digital, and indoor analog aquastat which brings me to my question.

Could my water temp sensor be failing, allowing the boiler to get so hot it trips the snap disk?
What happens when snap disk trips? Does system shut down and reset once it cools down enough?
I think the temp sensor is just thermo-couple. Is there way to test with ohm meter?
Anyone ever replace this temp sensor? I lookup the part, and it is just a wire, with metal end. This leads me to think it sits in own well within water tank.
Is it just pulling old wire temp sensor out, and putting new wire in? It look like it is just sealed at end with little silicone.

JJ

buckgrunt · December 15, 2014, 11:10:54 AM

I also have a 2300 (wood only). You most likely need a new controller, which is the digital screen box. Very simple fix. The same thing happened to me 2 years ago......

JJ · December 15, 2014, 07:11:23 PM

Temp controller is 10 deg F off, compared to all of my aquastats indoors (4 of them) plus my oil burner.
I have noticed goo inside much softer and more burned off; but my new door seal seems to be taking a beating :-\. I have lowered the OWB setting from my usual 189F to 179F.
buckgrunt,
did you get and replace the temp sensor with new e-2300 temp controller?
from my dealer, the temp sensor for the e-2300 comes with new temp sensor at $90.

JJ