How do I clean an air separator vent?

[@blumnt]

My air separator is mounted directly on top of the expansion tank. There is no valve between the two. I can isolate the plumbing up and downstream, but won't the pressure in the expansion tank force out the water and pressure from the expansion tank?

[@goldistocks609]

Same here, would like to know myself

[@banshee01ful]

What great info. Boiler back up and circulating perfect. Just had to clean it up. !

[@CaleffiHydronicSolutions]

Great! Glad to read that!

[@alane3983]

Thanks, very helpful.

[@CaleffiHydronicSolutions]

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