Exhibit 31.2

SECTION 302 CERTIFICATION

I, Kevin S. Buchel certify that:

          1.   I have reviewed this Form 10-K / A-1 of Napco Security Systems,
               Inc.; and

          2.   Based on my knowledge, this Form 10-K / A-1 does not contain any
               untrue statement of a material fact or omit to state a material
               fact necessary to make the statements made, in light of the
               circumstances under which such statements were made, not
               misleading with respect to the period covered by this report.

Date:  November 11, 2008

                                            /s/ Kevin S. Buchel
                                            ------------------------------
                                            Kevin S. Buchel
                                            Chief Financial Officer
                                            (Principal Financial Officer)



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