York Pressure Switch S1-02439716000

York pressure switch P/N S1-02439716000- Important! Please read below!

Pressure -0.20 - FOR NON-MODULATING FURNACES ONLY (Below 95% efficiency)

Replaces P/N 02435812000, 405290, S1-02435812000

This switch has split into two different numbers depending on whether your system is modulating or non-modulating. The only way to determine this is with the model and serial from the interior wall of your system. Please give us call with that info to verify fitment.

Genuine York parts

Shipping rate for continental United States

$46.00

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  • Model: S1-02439716000
  • Manufactured by: York
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April 2, 2025 by John A. (United States)
“quick and easy”
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March 31, 2025 by John M. (United States)
“best price for replacement carrier uv bulbs.”

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