This model uses a special internal cartridge design exclusive to the brass shell series

05-1"wc tuning allows for fine-grained control in low-flow environments

technical performance being prioritized over generic alternatives

meaning it opens on a temperature rise

Lochinvar & A.O. Smith 100111830 Flame Rod 322027-701 This model uses a specialThe Lochinvar & A. O. Smith 100111830 Flame Rod is a critical genuine OEM flame sensor designed for precise flame rectification in high efficiency water heaters. Engineered specifically for the GDHE 50 NG and GDHE 50 Cyclone series, this component monitors the burner's flame signal to ensure the integrated control board maintains a safe combustion cycle. When a water heater flame rod becomes carbon fouled or oxidized, it fails to send the necessary