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the onboard LED diagnostic light provides instant feedback on fault codes
While it fits many models
Direct Field Replacement: Specifically designed to replace the A-4210-601 model with updated internal automatic drain components
offering reliable continuous duty in commercial hydronic heating
offering rapid response times and long-term durability in commercial and industrial combustion systems
Lochinvar & A.O. Smith 100161835 Valve R-407C the onboard LED diagnostic lightThe 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
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