The Fenwal 06-129500-003 is a 48-inch air duct smoke detector sampling tube engineered for precise smoke detection in commercial HVAC systems

Field Reliability: High-performance flame rectification circuit reduces nuisance lockouts in challenging draft conditions

Skin oils can cause hot spots and lead to early failure of the igniter

Verify the arm length and motor bolt pattern against your existing bracket before installation

which lowers pressure drop compared to the tighter turn of a short-radius fitting

Lochinvar & A.O. Smith 100112668 Burner Assembly 320735-701 The Fenwal 06-129500-003 is aThe Lochinvar & A. O. Smith 100112668 Burner Assembly is a genuine OEM replacement part engineered specifically for high efficiency natural gas water heaters and commercial boilers. As a critical component of the combustion system, this 18 inch burner assembly features a precision machined #32 orifice, ensuring the correct air to fuel ratio for optimal thermal output. Designed for use in Lochinvar and A. O. Smith units, this assembly is built to