Lochinvar & A.O. Smith 100075279 Burner Tube 30067439-890 the A19AAB-4 provides consistent repeat

the A19AAB-4 provides consistent repeat accuracy that remains unaffected by barometric pressure or cross-ambient conditions

While the 5/8-inch bore is standard for many 1/2 HP and 1 HP motors

If there is evidence of heavy oxidation

this secondary drain pan features a standard 1/2-inch NPT drain connection and is designed to sit beneath the evaporator coil to capture runoff effectively

Lochinvar & A.O. Smith 100075279 Burner Tube 30067439-890 the A19AAB-4 provides consistent repeatThe Lochinvar & A. O. Smith 100075279 Burner Tube is a high performance main burner assembly engineered for specific commercial water heater and boiler parts applications. As a direct replacement for the discontinued Lochinvar BNR2404 (and identified by cross reference numbers BNR2404K, 100135232, and BRN2404K), this component is critical for maintaining precise gas combustion and heat transfer efficiency. Designed for the Lochinvar Copper Fin II