It is designed to handle high ambient temperatures and rapid cycling without significant capacitance drift

Operating on a 208V AC 60Hz electrical profile

this control allows for advanced remote monitoring and detailed error history logging

as this body is compatible with standard Emerson AMG and AMF coils

Is the D189 compatible with multi-speed systems

Lochinvar & A.O. Smith 100109872 Ignition Control 30067439-890 It is designed to handleThe Lochinvar & A. O. Smith 100109872 Ignition Control is a critical integrated controller designed for precise sequence management in high efficiency water heaters and boilers. This authentic OEM component is a direct replacement for legacy part numbers 9004470205 and 190714 000, ensuring full compatibility with existing hot surface ignition (HSI) systems. This module manages the combustion process by supervising the inducer motor, gas valve, and