Utica Boilers UB90-100 Manuel De Montage
3
5. Remove temperature sensor from thermo well,
save clip. See fi gure 3.
6. Locate wire bundle going to external junction box.
Cut the wire bundle. See fi gure 4.
7. Disconnect pressure hoses at: See fi gure 5.
A. Gas valve - reference port
B. site glass
C. intake
DSI Removal Conti.
Figure 3 - Temperature Sensor, Clip and Well
Figure 4 - Wire Bundle to External Junction Box
Figure 5 - Pressure Hoses