Lochinvar & A.O. Smith 100208496 Control Board 30067439-890 maintaining the necessary static pressure

maintaining the necessary static pressure for optimal heat exchange

Balanced Construction: Factory-balanced to eliminate vibration

Versatile Application: Designed for high pressure control in package AC units

As a genuine thermostatic expansion valve

always verify the specific body-to-cap gasket dimensions as they vary by orifice size and trap capacity

Lochinvar & A.O. Smith 100208496 Control Board 30067439-890 maintaining the necessary static pressureThe Lochinvar & A. O. Smith 100208496 Control Board is a critical OEM replacement part designed to maintain the operational integrity of high efficiency commercial boilers and water heaters. As the direct replacement for RLY2107, this relay control board manages executive switching functions, including the 24VAC signal distribution to the ignition module and pressure switch systems. This board is essential for coordinating the two speed blower motor