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The green status light is a crucial indicator of your heater's operational status
Designed specifically for the CB 525 model
Poor atomization and low air pressure can lead to inefficient heating and burner cycling
number 33409
CB-500 Series Primary Coversion Kit | OEM Part #70400 | Clean Burn CB-3500 The green status light isOfficial CB 500 Series Burner Oil Primary Conversion Kit When replacing an old style oil primary to the new and improved pre post purge primary you will need to use this kit. The OEM primary conversion kit (Part#70400) gives you the electrical components needed to upgrade from an older style oil primary. Key Features & Benefits: Model Specific Fit: Designed for upgrading to the new pre post purge primary system. OEM Quality: The official Clean Burn