IBC SL 35-199

4-5
MAINTENANCE
SL 35-199, SL 45-260 MODULATING GAS BOILERS
Outlet (supply) water temperature sensor
Upper vessel high limit switch
Vent temperature sensor bracket
Inlet (return) water temperature sensor
Removing vent stack test port plug
Water pressure sensor
Water temperature high limit switch
Combustion air intake riser
Removing combustion air intake riser
Removing vent stack
Control Module disconnection
Removing combustion air intake riser