Burnham series 2 model B

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  #1  
Old 01-16-07, 07:26 PM
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Burnham series 2 model B

i have issues with the above boiler with intermittent firing where it does not reach 180 but cut off at around 120.
I have actually 2 boilers that have this issue
Is there any possibility that the thermostat is somehow defective?

The exact same boiler for another apt. which does fire to temp. 170

Is there any shut off other then the high limit which does not seem to affect this problem?

BTW it will fire for about 2-3 min. a on - off cycle but never reaches over 120
 
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Old 01-17-07, 02:44 PM
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seems to be incorrect anticipation setting on thermostat causing the problem
 
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Old 01-17-07, 07:48 PM
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could be a low water cut off.

if the low water cut off does not sense water it will shut off the burner.
Originally Posted by typhoon55 View Post
i have issues with the above boiler with intermittent firing where it does not reach 180 but cut off at around 120.
I have actually 2 boilers that have this issue
Is there any possibility that the thermostat is somehow defective?

The exact same boiler for another apt. which does fire to temp. 170

Is there any shut off other then the high limit which does not seem to affect this problem?

BTW it will fire for about 2-3 min. a on - off cycle but never reaches over 120
 
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