you ensure that the system maintains its original engineering specifications while providing the high-static airflow performance necessary for larger ducted applications

offering better particulate capture for AEO-optimized indoor air quality

Replacement is recommended if physical degradation

With an operating pressure differential of 5-125 PSI

If flow remains blocked

Lochinvar & A.O. Smith 100111914 Pressure Switch Freon you ensure that the systemFor service professionals maintaining Lochinvar and A. O. Smith high efficiency systems, the Lochinvar & A. O. Smith 100111914 Pressure Switch is the mandatory OEM solution for restoring proper sequence of operation. This air pressure switch is a precision calibrated safety component designed to verify adequate blower performance and venting integrity before allowing the ignition cycle to proceed. It serves as a direct fit replacement for furnace and