How to tell if boiler is tankless or cold start.


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Old 03-05-07, 04:42 PM
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How to tell if boiler is tankless or cold start.

Dunkirk q-90 Anyone out there know how to tell?
 
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Old 03-05-07, 05:33 PM
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Dunkirk Q-90

A boiler could not attain a 90+% efficiency rating without being cold start.
 
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Old 03-06-07, 02:56 AM
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Thanks Grady. Do most boiler come with an outdoor reset to adjust for current air temperature, or is it an aftermarket part?
 
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Old 03-06-07, 05:39 AM
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Many if not most of the modulating condensing boilers comes with ODR controls. For most other boilers it is an added option.
 
 

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