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8 and a maximum working pressure of 145 psi for water and 15 psi for low-pressure steam
ensuring the burner circuit interrupts reliably if a low-water condition occurs
Given the double-disc design
Universal Compatibility: Acts as the FSAF24-SR replacement
Lennox 21917 Plate 30067439-890 8 and a maximum workingAs a seasoned technician, you know that maintaining precise internal static pressure and airflow direction is non negotiable for system longevity. The Lennox 21917 Plate is a critical OEM Cut Off Plate designed specifically for Lennox blower housing assemblies and heat exchanger transitions. This heavy gauge steel component acts as an airflow diverter, preventing air bypass and ensuring that the high velocity discharge from the blower wheel is
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