Sizing Gravity conversion circulators.....Boilerpro

Steamhead

I'd checked all that

and everything looked OK. They hadn't had a problem with the old boiler, which is what made me look at the circ.

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Mark Bagdon

FLOWMETERS

We specify circuit setters (B&G, Taco) on all commercial and larger jobs. They can be adjusted over a large flow range, but require a differential pressure meter to read the flow. Dwyer and others make rising ball flow meters in different ranges, which are cheaper.