Recent content by Liljob

Thanks, Greg, Let me revisit this and I'll get back to you.

I have a heat exchanger for a boiler flue. The flue is connected to two big (150 HP) boilers. A boiler HP = 33,000 BTUH. The are less than 80% efficient. The heat exchanger problem is this: The Flue contains gas temps above 300 F. The CFM is problematic but apparently the actual CFM could...