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After installing the LP spring and orifices
HSI ignitor life is shortened by over-voltage (above 132V)
If the circuit remains open while the system is cool and the button is depressed
What is the difference between the K19AT-48 and K19AT-48H
Can I use this as a universal HVAC replacement part
White-Rodgers 3F05-2 Fan Switch After installing the LP springThe White Rodgers 3F05 2 is a heavy duty adjustable snap disc fan control engineered for high reliability air management in HVAC systems and industrial heating units. As a high performance 3 4 inch fan switch, this 74T12 310709 model features a single pole single throw (SPST) configuration with a close on rise switch action. It provides a field adjustable temperature range from 140F to 180F and a fixed 20F differential, ensuring precise fan cycling
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