Ideal Electrodes (Page 5)
Usually, there are two types of electrode, Ignition electrodes and flame sensing electrodes. The Ignition electrode is responsible for creating the spark that begins the combustion procedure within the boiler The flame sensing electrodes are responsible for ensuring there is a flame present in the burner. This is an important safety device that makes sure the boiler isn't still supplying gas without a flame.

IDEAL 171443 ELECTRODE - HOT SURFACE IGNITOR (HSI)
Part No: 1178195 MPN: 171443
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Ideal 004713 Ignition Electrode - BE/3231/SI MX2
Part No: 1170262 MPN: 004713
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IDEAL FLAME SENSING LEAD SYS/RES SE
Part No: 1176812 MPN: 150385
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View Part DetailsIDEAL ELECTRODE ASSEMBLY ELAN F
Part No: 1176282 MPN: 134771
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View Part DetailsIDEAL 056571 H T LEAD ASSY CAVALCADE
Part No: 1170826 MPN: 056571
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IDEAL 079686 ELECTRODE ASSY MX2 SLIM RS/CF
Part No: 1175038 MPN: 079686
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View Part DetailsIDEAL DETECTION ELECTRODE COMPLETE WITH GASKETS &FIXINGS
Part No: 1177834 MPN: 170760
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View Part DetailsIDEAL 174472 FLAME DETN ELECT CABLE (BI1765 101)
Part No: 1780060 MPN: 174472
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View Part DetailsIDEAL 078330 IGN ELECTRODE ASSEMBLY KIT SP RS75
Part No: 1174680 MPN: 078330
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IDEAL 151079 IGN ELECTRODE H/W 45900413-004
Part No: 1176902 MPN: 151079
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IDEAL 173502 IGN ELECTRODE LEFT 32KW(BI1193 102)
Part No: 1179500 MPN: 173502
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View Part DetailsIDEAL 113056 0007227 IGNITION ELECTRODE
Part No: 1175699 MPN: 113056
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IDEAL 171973 DETECTION ELECTRODE ASSEMBLY KIT
Part No: 1178373 MPN: 171973
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IDEAL 004739 SPARK/SENSING ELECTRODE TURBO 2
Part No: 1170268 MPN: 004739
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IDEAL 075436 PROBE HOLDER BI1105 108
Part No: 1174098 MPN: 075436
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