Field Versatility: Features selectable speed settings to match the specific thermal inertia requirements of the application

or circulator control

How does this unit handle over-current or short-circuit conditions

We recommend replacing the entire 100112656 assembly to ensure the 7-slot blower wheel is balanced and the housing seal remains airtight

making it specific for low-side evaporator monitoring

Lochinvar & A.O. Smith 100166057 Pressure Switch Freon Field Versatility: Features selectable speedAs a seasoned technician, you know that a failing Lochinvar & A. O. Smith 100166057 Pressure Switch is often the silent culprit behind "no ignition" service calls. This OEM replacement air pressure switch is a critical safety component designed to verify proper inducer motor operation and flue venting before allowing the ignition sequence to proceed. Engineered for high recovery commercial water heaters and boilers, it features a precise 0. 95" WC