How to Find a Reliable HVAC Contractor for Your Home
Wednesday, 24 August 2022
ANSI date required
What year was the ANSI date required on gas appliances? I don't believe I have seen anything dated from the 70s so I assume pre-1980?
source
https://www.inspectorsjournal.com/topic/19239-ansi-date-required/?do=findComment&comment=177626
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