Microprocessor Lean Burn part- please help

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May 25, 2025 | 10:10 AM

douglas79

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Microprocessor Lean Burn part- please help

Hello:
Can anyone identify the part numbers of the early 1980s Lean Burn modules that are built like this?
These are the lean burn modules with a microprocessor.
Anybody have one?

Thanks!

May 25, 2025 | 01:08 PM

Kuvasz101

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Joined: Sep 2022

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From: Agawam Ma

We never opened them up to repair them only replaced. I'm guessing you're trying to keep it original, but those lean buns were a huge failure.

May 25, 2025 | 08:53 PM

douglas79

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I'm looking for one of these for historical purposes.
Not to use.

May 26, 2025 | 08:22 PM

Iowan

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Just think your house thermostat has more processing power than the lean burn setup…

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