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S-12 fdny sprinkler | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS
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S-12 fdny sprinkler | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS what is the minimum size of threaded rod required for sprinkler piping? - Answer -3/8 inch how often are fire department connections hydro-statically tested? - Answer -every 5 years sprinkler heads expo...
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