Calling all ServoWarm Gurus!

I need to know an approximate date when parts for the ServoWarm Elite50 were discontinued. I am particularly interested in the rough date when the Gas Valves for said boiler generally became unavailable.
TIA Flighty
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3/26/1861 at 4:28 PM EST 2/24/1861 at 9:35 AM EST
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Christopher A. Young
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"< : F L I G H T Y : >" < snipped-for-privacy@lineone.net> wrote in message
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