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protecting the motor bearings from premature wear
you effectively minimize audible turbulence and physical vibration within the copper lines
Serviceable Design: The internal color indicator element is replaceable using a Sporlan K-SA-4 kit
a different OEM part number must be used to ensure correct orifice sizing and pressure regulation
In a normally open configuration
Lennox 17U20 Pressure Switch 320720-756 protecting the motor bearings fromThe 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
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