Simplified Troubleshooting: On-board diagnostic LED provides immediate feedback for faster repair cycles

Universal Mounting: Features an interchangeable mounting plate and allows for any-position mounting to accommodate tight control boxes

Tripping is typically caused by excessive water temperature

the Q4100C9058 simplifies inventory by providing a robust 120V HSI replacement that meets OEM strike plate alignment requirements

Lochinvar & A.O. Smith 100312669 UIM Ethernet 323269-701 Simplified Troubleshooting: On-board diagnostic LEDThe Lochinvar & A. O. Smith 100312669 UIM Assembly with Ethernet is a critical OEM replacement part engineered for BTH and MXI series high efficiency commercial gas water heaters. As a factory programmed User Interface Module (UIM), this component ensures precise local control and advanced remote diagnostic capabilities via its integrated Ethernet connectivity. Designed to maintain the operational integrity of systems ranging from 120,000 to 250,000