Heating Help

Illinois Model 0

Is Illinois = Hoffman? Is this an air vent? Size is 1" It is on a condensate line and has a rectangular body. See attached picture. Are they still available or if not what is an alternative?

Same basic unit

as we find on Dunham, Webster, some Hoffman and other Vapor systems: it's a Float Trap/Air Eliminator. It serves as the only air vent for the entire system, so it MUST work well. The little device in the 45° elbow is a vacuum check, which should be removed since vacuum doesn't work well with oil or gas firing. We often find these are stuck shut or only partially open. You can take them apart if you have the right tools, but watch out for bolts that snap off. The Gorton #2 vent is a good replacement for this unit. If the system is large you may need more than one such vent. "Steamhead" To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

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Steamhead, Thank you. I could not find anything on the web on Illinois vent. Bruce