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

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

ensuring the heating system operates within its engineered parameters

Verify that your existing valve body matches the series requirements for this 16

Technicians should verify the pressure switch ratings and terminal configurations to ensure a direct fit for the OEM R45032-001 specification

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