Lochinvar & A.O. Smith 100173792 Arm Assembly 340155-7024 The unit comes with a

The unit comes with a barbed restrictor tee specifically sized for 1/4" OD polytubing

the A421ABC-03 utilizes a high-impact thermoplastic NEMA 1 (IP20) enclosure that supports both DIN rail and surface mounting

and 4363369

While a 3/4" NPT connection requires a seal

What is the difference between Danfoss 060B200791 and 060B200766

Lochinvar & A.O. Smith 100173792 Arm Assembly 340155-7024 The unit comes with aThe Lochinvar & A. O. Smith 100173792 Arm Assembly is a critical OEM component designed for high efficiency burner management in commercial and residential gas fired systems. Engineered for precision and thermal stability, this gas air arm assembly ensures the correct orientation and alignment of the burner interface, which is essential for maintaining stoichiometric combustion and maximizing heat transfer. Built to withstand the harsh operating