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Tankless waterheaters

Posted by Harold Kestenholz - Hydronic Network on November 17th, 2000 09:53 AM
In reply to Tankless Waterheaters by Kevin on November 17th, 2000 08:33 AM [Go to top of thread]

A tankless water heater is a copper-tube boiler with a high pressure drop and no circulator. They are manufactured for domestic water heating; so using thdm for boiler service is a misuse according to the manufacturer. They are not less expensive than a boiler used for radiant floor heating.

A boiler can heat the floor and also heat domestic water using a heat exchange tank. The boiler is rated for these purposes and usually has a warrantee for 20 years.

If you want a complete heating system, use a complete system designed by a radiant heating manufacturer. Weil McLain and other manufacturers will provide an entire factory-warranteed packeage installed by a qualified representative.

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