Clean Burn Burner Maintenance Kit: 70370

This service kit is designed for the annual maintenance of furnaces equipped with Clean Burn burners. It is compatible with the following models:

• CB 500
• CB 550
• CB 525
• CB 525 S

Important Note:

• For the CB 550 burner, you may need to replace the 9-5 nozzle with a 9-11 nozzle. Please indicate this on your order.
• To identify your burner model, check the silver plate on the burner itself. This is different from the furnace model, which is located on the cabinet.

The service kit includes:

• Single Piece Electrode (33183) 
• Nozzle (9-5  32000) **If you need a different nozzle let us know 
• Regulator Rebuild Kits (QTY 2) (13142) 
• Nucleus with spring (QTY 2) (33229) 
• Nucleus O-rings (QTY 2) (33124)
• Small O-rings for Regulator base (QTY 2) (32309) 
• Large O-rings for Regulator base (QTY 2) (32308) 

For additional details about the parts included, refer to the provided picture.