Carrier 50DK407029 Burner Tube 326010-701 What is the primary indicator

What is the primary indicator that the A23519 needs replacement

or "wire-drawing" on the disc surface indicates it is time for a replacement

The 20°F to 80°F range is versatile

providing robust pneumatic damper control for both gradual and two-position applications

Carrier 50DK407029 Burner Tube 326010-701 What is the primary indicatorThe Carrier 50DK407029 Burner Tube is a factory engineered OEM replacement part designed for high efficiency gas fired systems. This inner burner tube is essential for maintaining a precise gas air mixture, ensuring stable in shot burner combustion and maximum heat transfer. Constructed from high grade, heat resistant aluminized steel, it is built to withstand the extreme thermal cycling common in commercial and residential rooftop units and furnaces.