How old is this Deloc-heat Boiler DB4S

Stabile Posts: 1, Reputation: 1

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Jun 8, 2010, 06:20 PM

How old is this Deloc-heat Boiler DB4S

I have a Delco-Heat Boiler Mo# DB4 S Service # 5065939 how old is this boiler.What is the original efficiency rating.

hvac1000 Posts: 14,540, Reputation: 435

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Jun 9, 2010, 04:30 AM

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