UTICA BOILERS UH16 Series Installation, Operation & Maintenance Manual page 26

WIRING DIAGRAMS
Figure 17 - Wiring Diagrams For Boilers With 67D-1 Float Type Low Water Cut-Off
If any of the original wire as supplied with this appliance must be replaced, it must be replaced with type 105°C Thermoplastic wire or its equivalent.
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240011556 REV. E [01/09/2019]