Burnham CHG150 Boiler User Manual


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
 

 
 
 
 
 
 



 

 
 
 
 
 
 

 









WARNING
ALL WIRING AND GROUNDING MUST BE DONE IN ACCORDANCE WITH

NATIONAL ELECTRICAL CODE
CAUTION
 
EXTERNAL POWER SOURCE IS PRESENT IN THE THERMOSTAT OR LIMIT


OF AN EXTERNAL POWER SOURCE THAT COULD BE INADVERTENTLY
CONNECTED TO THE LOW VOLTAGE CONNECTIONS IS A TRANSFORMER
IN OLD THERMOSTAT WIRING.
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