Potterton Wiring (Page 8)
The wiring inside a heating appliance connects the PCB to the various thermostats, switches and sensors. These groups of wires allow the pcb to perform safety checks and control the heating appliance.

POTTERTON 21/18970 CABLE ASSY. DISPLAY MOD
Part No: 1120869 MPN: 21/18970
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View Part DetailsPOTTERTON 5139940 COMP CABLE WAY, R/H, NXR4-12
Part No: 1127903 MPN: 5139940
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View Part DetailsPOTTERTON 5113827 WIRING HARNESS
Part No: 1123818 MPN: 5113827
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View Part DetailsPOTTERTON 5139935 COMP CABLE WAY, L/H, NXR4-14
Part No: 1127893 MPN: 5139935
Sorry, this part is now obsolete
View Part DetailsPOTTERTON 242224 TERM.BLOCK WIRING HARNESS
Part No: 1121802 MPN: 242224
Sorry, this part is now obsolete
View Part DetailsPOTTERTON 5112335 HARNESS LV ASSY
Part No: 1123764 MPN: 5112335
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POTTERTON 5113105 CABLE FAN/PRESSURE SWITCH
Part No: 1123778 MPN: 5113105
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View Part DetailsPOTTERTON 21/18946 CABLE ASSY. TRANSFORMER
Part No: 1120868 MPN: 21/18946
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View Part DetailsPOTT S17405429 NXR BNR WIRING HARNESS (WHITE)
Part No: 1127331 MPN: S17405429
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View Part DetailsPOTTERTON 405/0392 WIRING HARNESS
Part No: 1122588 MPN: 405/0392
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View Part DetailsPOTTERTON 986571 LEAD FROM LMU TO BOILER MODULE
Part No: 1125213 MPN: 986571
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View Part DetailsPOTTERTON 5139930 COMP. CABLE WAY, L/H, NXR4-9
Part No: 1127883 MPN: 5139930
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