A.o. Smith 100340481 Spark Ignition Cable Kit

Product Description

The A.O. SMITH 100340481 is a spark ignition cable kit designed for use in water heater ignition systems. This cable carries the high-voltage pulse signal from the igniter or ignition control module to the spark electrode, initiating combustion at the burner. It is a direct service replacement component installed by licensed plumbers, HVAC technicians, and water heater service professionals when the original cable shows signs of wear, cracking, or failed continuity. Replacing a faulty ignition cable restores reliable pilot or main burner ignition and eliminates nuisance no-heat calls.

This kit is suited for residential and light commercial water heater applications where spark ignition systems are employed. It is installed in the ignition circuit between the control module and the spark electrode assembly at the burner. Technicians typically encounter this replacement during seasonal maintenance, after a reported ignition failure, or when a visual inspection reveals insulation damage to the original cable. The kit format ensures all necessary cable components are included for a complete service repair.

Key Features

• High-voltage spark ignition cable engineered for water heater ignition circuits
• Kit format includes all components needed for a complete ignition cable replacement
• Designed as a direct OEM-style replacement to restore factory ignition performance
• Resistant to the high-temperature environment near the burner assembly

Compatibility

Designed as an OEM-style replacement spark ignition cable kit for A.O. SMITH water heaters equipped with spark ignition systems. Refer to the unit nameplate and A.O. SMITH service documentation to confirm fitment before installation.

Installation Notes

Installation should be performed by a qualified plumber or HVAC technician. Before servicing, shut off the gas supply and disconnect electrical power to the water heater. Inspect the electrode and ignition control module connections for corrosion or damage before installing the new cable. Verify proper seating and secure connection at both terminal ends before restoring gas and power and testing ignition.

Technical Specifications

• Component Type: Spark Ignition Cable Kit

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100340481