this assembly features an integrated hub with a 5/8-inch bore designed to be secured directly to the motor shaft via a set screw

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

Zero Pressure Differential: The normally closed gas valve opens reliably even at 0 PSI

Operating on a 208V AC 60Hz electrical profile

Is the D189 compatible with multi-speed systems

Lochinvar & A.O. Smith 100109872 Ignition Control 30067439-890 this assembly features an integratedThe 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