Lochinvar & A.O. Smith 100167821 Board R-407C You can adjust the high

You can adjust the high and low indicators independently to your required WC settings before replacing the cover

such as de-energizing crankcase heaters or triggering alarm circuits when the main contactor is engaged

but you must never go lower than the original system specification

then increasing the setpoint according to the equipment's normal operating vibration levels plus a safety margin

Its transformer-isolated design and built-in LED indicator ensure consistent HVAC power supply performance across a wide operating temperature range of -22

Lochinvar & A.O. Smith 100167821 Board R-407C You can adjust the highThe Lochinvar & A. O. Smith 100167821 Integrated Control Board is a critical OEM component designed for high efficiency gas fired boilers and water heaters. As a direct replacement furnace circuit board, this module manages essential system sequences, including hot surface ignition, flame rectification, and manifold gas valve actuation. It serves as the central processing hub, utilizing real time sensor data to modulate thermal output and optimize