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Bosch Hvac 8738722788 Ignition Electrodes

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Special Price $103.32 Regular Price $118.82
Out of stock
SKU
8738722788
The Bosch HVAC 8738722788 Ignition Electrodes are mechanical components used in gas-fired water heating equipment to initiate the combustion process. It Installed within the burner assembly, they generate an electrical spark that ignites the gas-air mixture, enabling the system to produce heat in HVAC systems. These electrodes are commonly applied in tankless water heaters and similar appliances where accurate ignition is required for consistent operation. Within the overall system, they operate as an essential ignition source, supporting safe startup, proper burner performance, and efficient heating during normal operating conditions.
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Customer Questions
What maintenance is required for the Bosch HVAC 8738722788 Ignition Electrodes?

Inspect the electrodes for carbon buildup, cracks, or corrosion and clean them gently as needed. Ensure proper gap and secure mounting to maintain accurate ignition. Proper maintenance helps prevent misfires and ensures consistent burner start‑up. Always disconnect power and fuel supply before servicing.

What are common issues with the Bosch HVAC 8738722788 Ignition Electrodes?

  • Weak or failed ignition spark.
  • Carbon buildup or fouling.
  • Cracked or damaged electrodes.
  • Improper electrode gap.
  • Loose or corroded connections.

Installation Steps

Step 1: Turn off power and gas supply to the unit and allow it to cool.

Step 2: Access the burner assembly and locate the existing electrodes.

Step 3: Disconnect the electrode wires and remove the mounting screws.

Step 4: Install the new electrodes in the correct position and secure firmly.

Step 5: Reconnect wiring, restore power and gas, then test ignition for proper operation.