Lochinvar & A.O. Smith 100278134 Control 30067439-890 featuring integrated thermal overload protection

featuring integrated thermal overload protection to prevent failure during peak demand

This model is configured for a 115Vac line voltage input and delivers a 1

charcoal filters are strictly disposable

Maintaining the 1-inch 711 Series Solenoid Valve requires a high-quality GC Valves repair kit to prevent internal bypass and ensure a tight seal

The unit includes a 5-foot power cord for installation convenience

Lochinvar & A.O. Smith 100278134 Control 30067439-890 featuring integrated thermal overload protectionThe Lochinvar & A. O. Smith 100278134 Control is a critical OEM User Interface Control board engineered for precise system management in high efficiency condensing boilers. As a direct replacement for legacy part numbers RLY20136K, RLY20136, and 100189277, this Boiler Control Board provides the necessary digital interface for real time monitoring and adjustment of combustion parameters. This HVAC Replacement Part is a standard component in the