Lochinvar & A.O. Smith 100109872 Ignition Control THPU32HP7Y this exact-match replacement eliminates the

this exact-match replacement eliminates the need for field modifications

Common failure modes include a "chattering" sound indicating coil weakness

The heavy-duty Ranco C12-9024 SPDT switch supports electrical ratings of 120/227 VAC and 20A full load

This silicon temperature sensor is calibrated to a standard reference resistance of 1

and central air conditioners requiring up to five control leads

Lochinvar & A.O. Smith 100109872 Ignition Control THPU32HP7Y this exact-match replacement eliminates theThe 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