Utica Boilers SSC Benutzerhandbuch

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6 - MAINTENANCE
6.5  End Of Heating Season, If Boiler Not Used For 
Domestic Hot Water.
• Follow instructions to TURN OFF GAS TO APPLIANCE. 
See section 2.
• Contact qualifi ed agency to drain heating system (if 
system does not use antifreeze) and condensate trap 
if heating system is exposed to freezing temperatures 
while out of service.