Flame sensor. Total lengh is 4". Sensing rod is 2.5" long.
Replaces 02525434700, S1-02527773700, 02525434000 02527773000, 025-25434-700 & 025-25434-000. Also known as part # PSE-YK2 & 1047 & Packard PFS802.
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1 Year Warranty on ALL parts!
