Utica Boilers UB95M-200 Installationsanweisungen

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APPENDIX B - WATER QUALITY, WATER TREATMENT AND FREEZE PROTECTION
WARNING
Install boiler so gas ignition system components are 
protected from water (dripping, spraying, rain, etc) 
during appliance operation and service (circulator 
replacement, etc).
!
  
• DIELECTRIC ISOLATION
Two (2) 1-1/4” X 1-1/4” Female to female dielectric 
isolation unions are shipped loose in boiler parts bag. 
Install Dielectric Isolation unions at boiler supply line 
and return line. Install isolation fittings nearest boiler 
prior to system piping connections.
• WATER TREATMENT and ANTIFREEZE 
PROTECTION
MUST be applied for ALL aluminum series high efficiency 
gas-fired boilers using antifreeze protection.