Description
The Lochinvar & A.O. Smith 100112868 Indoor Flow Switch is a flow-sensing part used in a HVAC system to monitor water movement through heating or circulation lines. It detects whether sufficient flow is present and sends a signal to the control board to allow or restrict operation of boilers, water heaters, or hydronic units. This component helps prevent equipment damage caused by low-flow or no-flow conditions. It is Mounted in indoor heating equipment where accurate flow verification is required to maintain safe startup, stable operation, and proper protection of internal system components in residential and light commercial applications.
