the Erie VM3212 is specifically designed for closed-loop hydronic heating and cooling systems and is not lead-free rated for potable water service

3/8" x 6" Bulb

Rinse thoroughly and allow it to drip dry completely before re-installation to avoid electrical shorts

The unit features an electroless nickel-plated finish for superior corrosion resistance and a ceramic insulator to minimize rapid cycling in outdoor installations subject to freezing

leading to false high-temperature readings and poor performance

Lochinvar & A.O. Smith 100276786 Display 318973-401 the Erie VM3212 is specificallyThe Lochinvar & A. O. Smith 100276786 Display is a critical user interface display board designed for advanced hydronic and domestic hot water systems. As a genuine OEM LCD interface replacement, this component provides real time diagnostics and parameter control for high efficiency condensing units. It is specifically engineered for systems beginning with serial number 4015, ensuring seamless Lochinvar boiler control communication with the main power