Designed for reliability at altitudes between 0 and 1

and 220J models

For technicians managing commercial or municipal water systems

this part is dedicated to 10 Cv applications

000 BTU) valve

Lennox 17U20 Pressure Switch 321894-709 Designed for reliability at altitudesThe Lennox 17U20 Pressure Switch is a high precision sensing component engineered for critical monitoring in residential and commercial HVACR systems. This OEM Lennox 104371 10 replacement part is designed to actuate at 1. 00 inch W. C., providing essential safety interlocking for furnace draft inducer motors and air handling units. Built with a sensitive diaphragm and a robust SPST N. O. contact configuration, it ensures the electrical circuit closes