Lochinvar & A.O. Smith 100161835 Valve R-407C While it fits many models

While it fits many models

The ICM Controls ICM866U-LF Hard Start Kit is a high-performance

preventing ruptured tubes and subsequent water damage in mechanical rooms

the onboard LED diagnostic light provides instant feedback on fault codes

Direct Field Replacement: Specifically designed to replace the A-4210-601 model with updated internal automatic drain components

Lochinvar & A.O. Smith 100161835 Valve R-407C While it fits many modelsThe Lochinvar & A. O. Smith 100161835 Air Metering Valve is a critical component for maintaining the precise combustion air to fuel ratio in high efficiency condensing boilers and water heaters. Engineered for exact modulation, this venturi air valve ensures the burner receives the correct airflow required for stable ignition and optimal thermal efficiency. It is a direct OEM replacement part designed to interface seamlessly with the blower assembly