Designed for multi-refrigerant compatibility

If your existing board is labeled HH84AA011

this NSF certified thermometer provides the dual scale readings necessary for professional-grade reporting

Type J flanges are designed for use with EPDM and Neoprene sleeves

OEM Calibration: Precise

Lochinvar & A.O. Smith 100208498 Connection Board Refrigerant Designed for multi-refrigerant compatibilityThe Lochinvar & A. O. Smith 100208498 Low Voltage Connection Board is a high performance OEM replacement part engineered for precise system communication and control. Designed for high efficiency hydronic systems, this board functions as the primary interface for low voltage controls, facilitating the distribution of electrical signals between the thermostat, sensors, and the main firing control. This specific 100208498 connection board is the