Lochinvar & A.O. Smith 100173793 Arm Assembly 340155-7026 the bronze construction and EPDM

the bronze construction and EPDM seating are compatible with standard water and glycol heating media up to the 250°F threshold

Broad Pressure Range: Adjustable opening point from 70 to 260 PSI accommodates various high-pressure refrigerant requirements

it features a built-in combustion blower relay and is compatible with 24VAC mini-ignitors requiring a 4-second heat-up time

Precision Calibration: Integrated self-centering clamping adapter eliminates shaft slippage and mechanical play

Lochinvar & A.O. Smith 100173793 Arm Assembly 340155-7026 the bronze construction and EPDMThe Lochinvar & A. O. Smith 100173793 Arm Assembly is a critical OEM replacement part engineered for high efficiency commercial boilers and heating systems. As a veteran grade gas air arm assembly, this component ensures the precise mechanical alignment necessary for optimal combustion and fluid regulation. Specifically designed for compatibility with Lochinvar Knight series models (including KBN, AWN, and SNA 500), this assembly facilitates the