York S1-700078 Sight Glass 318172-701 What causes a draft inducer

What causes a draft inducer motor to fail

Where should this be installed for maximum protection

917169D is the direct replacement for 917169C

this SPDT snap-acting switch eliminates the need for a pipe tee

Does this kit include the full linkage hardware

York S1-700078 Sight Glass 318172-701 What causes a draft inducerThe York S1 700078 Sight Glass (Model SA 13) is a critical diagnostic component designed for precision refrigerant flow monitoring in commercial and residential HVAC systems. Engineered for high pressure environments, this SA 13 sightglass provides a high visibility interface to inspect for bubbles, flash gas, and moisture contamination within the liquid line. Featuring a robust fiberglass body and a clear view window, it allows technicians to verify