000 BTU) valve

For technicians managing commercial or municipal water systems

Designed for reliability at altitudes between 0 and 1

It requires the airflow from the fan blade it is driving to maintain proper operating temperatures and prevent thermal tripping

Lennox 17U20 Pressure Switch 321894-709 000 BTU) valveThe 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