Honeywell High voltage cable 72710

This is a Honeywell high voltage ignition cable, SKU 72710. It has a length of 1000 mm and silicone insulation. It is rated for gas fuel systems and includes a terminal. The cable is resistant to mechanical stress, high temperatures, and wear, and features a universal design.

When selecting a replacement ignition cable of this type, the connector pattern at each end (transformer terminal and electrode terminal) and the cable length must match the existing setup. The cable must fit the burner's connector geometry; otherwise, arcing or no spark may result. Compare the terminal style with the old cable or the burner manual before ordering. Also ensure the length is suitable so the cable is not strained or positioned too close to hot components.

Failing ignition cables often develop hardened, cracked, or burned silicone insulation, which allows the high voltage to leak to ground. This can mimic a failing transformer and cause intermittent ignition or lockout. Inspect the cable for such damage, as even minor defects can lead to spark leakage and unreliable flame detection.