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Posted by HeatPro on September 04, 2007 at 19:20:07:
In Reply to: Wall hung boiler posted by Dan on September 04, 2007 at 18:38:49:
Too many brands to comment on them. Almost every boiler company has had them. Aluminum boilers are made by many of them now, too. The restricted amount of water filled into a SEALED hot water heating system makes little effect on aluminum surfaces inside, so can be as good or better than some steel surfaces.
Be careful about water flow, or there can be banging and sizzling problems with low-water-content boilers. I'd like to give a referral to a page that describes why, but this miserable forum software prevents that.