Posted by hafez on October 29, 2001 at 09:35:06:
In Reply to: Re: Best configuration for steam with hot water zone posted by Harold Kestenholz - Hydronic Network on October 28, 2001 at 19:28:10:
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: : (2) Use a stainless steel heat exchanger, which transfers heat to a separate, distinct zone, complete with back up valves and such.
: *** Now that there are less expensive flat plate exchangers (available from Weil McLain and others), this is the best way. Choice numnber 3 was used before as a cheap heat exchanger, but is now unnecessary.
: : (3) Use a indirect coil (domestic coil I think it's called) which passes through the boiler and runs through the hot water zone.