But you threatened Fuzzy with blowing up his house. Now you're just talking about money. If Fuzzy does waste some money the first time, that might be the prelude to saving money next time and ever after.
Anyhow, Fuzzy should know his skills, aptitude, and limitations, and decide for himself. It's not like you think you are stopping others from giving him leads to follow. He should know which ones he can do and which he can't.
On mine, I have the feeling that the battery is only there to keep it from forgetting things if I turn off the AC power to the furnace/AC.
I have only changed the battery once in 24 years, and I think everything works fine as look as the power is on to the furnace.
Could that be the case, with my thermostat at least?
Indeed. When we read the newspapers we'll need to know if Fuzzy57 is your first name or last name. Perhaps your full name is F. Emerson Vanderbilt (where F. stands for Fuzzy57.)
Yep, more likely to get electrocuted than blown up.
He's working with 24 volts to the thermostat. You cant even get an effective shock on 24V much less electrocuted.
I suspect that somebody is going to educate you about current, after a comment like that...
Wrong. I've been shocked working with the 24v side of a heating and air system.
So if I send you a 24volt 40va transformer,,,,, you'll plug it in with one hand holding the frame and your thumb of that same hand across the 24V screws! :-)
**CAUTION** No one should try this as this as it only takes .001amps to stop the heart***(yes, I described the act above with dumb-ass safety protocol in mind.)-zero
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