Lochinvar & A.O. Smith 100111255 Control Board 321894-708 Multi-Probe Capability: Houses up to

Multi-Probe Capability: Houses up to four probes

The Carrier EA36YP288 is a high-precision R410A TXV valve engineered to optimize refrigerant metering and evaporator loading in residential and light commercial HVAC systems

You can test the sensor using a multimeter to check for continuity or specific resistance values

Direct OEM Fit: Ensures proper clearance within the tank and matches Lochinvar 100109139 specifications exactly

always verify local mechanical codes regarding indoor discharge

Lochinvar & A.O. Smith 100111255 Control Board 321894-708 Multi-Probe Capability: Houses up toThe Lochinvar & A. O. Smith 100111255 Control Board is a critical OEM replacement part designed for high performance commercial water heaters and hydronic heating systems. As a central control board, it manages vital system diagnostics, ignition sequences, and multi stage temperature regulation to ensure peak operational safety. This HVAC control module is the direct replacement for obsolete part number 9006520005, engineered to restore factory spec