Lochinvar & A.O. Smith 100312669 UIM Ethernet 321894-706 We recommend retaining your original

We recommend retaining your original hardware or purchasing matching HVAC sheet metal screws if the originals are stripped or rusted

Common signs include a humming noise without the fan spinning

this regulator maintains a rock-steady outlet pressure even when facing significant fluctuations in supply

High Temperature Tolerance: Reliable operation in the high-ambient conditions typical of outdoor condenser units

Perform a "Go-No-Go" test by checking for 24VAC at the G and C terminals

Lochinvar & A.O. Smith 100312669 UIM Ethernet 321894-706 We recommend retaining your originalThe 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