Furnace Ckt Bd., Protecting From Lightning


Old 08-03-05, 09:53 AM
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Furnace Ckt Bd., Protecting From Lightning


I recently had installed a new hot air furnace, that also has an Evaporator section in it for the house air conditioning.
It is a: Trane TUD 120 R 9V5K

Last night, a thunder storm passed thru the area.
Nothing really major; have certainly seen worse.
A bit of lightning, etc.

Lights flickered for a few seconds.
This is the first time since the new furnace installation that we had this type of storm.

Anyway, the main circuit board in the furnace fried.

Surprisingly, nothing else in the house suffered any damage, whatsoever.
Even the PC's still work. Of course most of the other items
in the house are plugged into power extension strips with overvoltage and spike protection; perhaps this saved them ? Hard to know for sure, though.

The furnace (110 V) is, of course, hard wired to the house wiring via a dedicated circuit breaker.

My question is:

Would really hate to have it happen again.

Is there any kind of circuit breaker we can change to that has this spike and overvoltage protection ?

Or, what might you folks recommend ?

Much thanks,
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Old 08-03-05, 10:10 AM
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Join Date: Feb 2005
Location: Near Lansing, Michigan
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Some breaker panel manufacturers make a surge protector you can install in the main panel and protect all of the circuits in the house. I know for a fact that Siemens/ITE makes one (Q*2020TVSS). There are also good brand names that can be installed in most any breaker box. Check out you local electrical supply house and see what they have to offer. I have seen in-line 120V models for devices like your furnace too.
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