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Oil fired combustion air change in 09

jar546

jar546

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Combustion air for oil fired appliances is no longer per M1702/3. It now refers soley to NFPA 31.

NFPA 31 does not give a specific cubic feet per input 1,000 Btu when combustion air is from the inside.

Seems like we are going backwards on this one. Not very specific.

Has anyone had a problem with this yet?
 
Re: Oil fired combustion air change in 09

More and more, codes are referencing back to '31 for oil but the problem is, it is a lousy std. with huge gaps and discrepencies. Does not even harmonize with other NFPA stds such as 211 for venting.
 
Re: Oil fired combustion air change in 09

Ya! So for the last nine years we have required this and now we don't. Just another issue to forget about.

I suppose some one thinks oil needs less air the Gas! :roll:
 
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