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Posted by mark on June 06, 2002 at 12:17:17:
I UNDERSTAND IF YOU LOWER YOUR BOILER PRESS FROM 100 TO 70 THE BOILER
WILL DE-RATE AND CIRCULATION WILL BE EFFECTED. WHAT IS DE-RATE AND HOW CAN I
CALCULATE IT ALSO HOW CAN YOU DETERMINE THE EFFECT ON CIRCULATION
IN THE BOILER? THANKS