Lochinvar & A.O. Smith 100208501 Connection Board 30067439-890 these knobs are frequently used

these knobs are frequently used to replace stripped or missing dials on Johnson Controls plastic cover thermostats where accurate temperature or humidity calibration is critical for system cycling

reducing downtime during service calls

this kit supports valve sizes ranging from 1/2 inch to 2 inches

ensuring precise flame signal monitoring even in challenging burner environments

Rugged Construction: Built to withstand the thermal cycling and humidity typical of residential and commercial boiler rooms

Lochinvar & A.O. Smith 100208501 Connection Board 30067439-890 these knobs are frequently usedAs a seasoned technician, you know that a reliable low voltage control interface is the backbone of any first generation Lochinvar Knight boiler or A. O. Smith commercial water heater. The Lochinvar & A. O. Smith 100208501 Connection Board serves as the centralized wiring hub for vital field installed components. This genuine OEM board is a direct, pin to pin replacement for the Lochinvar RLY2202, ensuring seamless integration without the need for