and G60 series furnaces and compatible Allied Air equipment

With an operating pressure differential of 5-125 PSI

which offers smooth operation

If flow remains blocked

Can I use this switch for negative pressure sensing

Lochinvar & A.O. Smith 100111914 Pressure Switch Freon and G60 series furnaces andFor 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