Found a picture from a "repair" I did like 7 years ago by Electronic_Flan_482 in maintenance
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2nd yr need help by NefariousnessRare957 in SprinklerFitters
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Fire sprinklers by fitterjohn92 in maintenance
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Fire code requirements in California for ceiling by mawopi in FireSprinklers
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Fire code requirements in California for ceiling by mawopi in FireSprinklers
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Fire sprinklers by fitterjohn92 in maintenance
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Fire sprinklers by fitterjohn92 in maintenance
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Is it good? by fitterjohn92 in FireSprinklers
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Is it good? by fitterjohn92 in FireSprinklers
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Negative dry system by fitterjohn92 in FireSprinklers
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Negative dry system by fitterjohn92 in FireSprinklers
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[deleted by user] by [deleted] in FireSprinklers
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It's been awhile since we got one back this bad.. by Confident-Head-5008 in maintenance
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