What lubricant do you guys use for OS&Y stems? Especially outdoor ones
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Taking my NICET Level lll inspection,Testing & Maintenance of WBS any tips?
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Pre action double X interlock help… What is this hole? Is it supposed to be here if so what’s it use…? Don’t see it on the spec sheet.
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Do you guys write up missing NFPA25? Also what code requires a nfpa25 to be @ the system/headbox
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5 year inspection on plazas/strip malls ??? Half of the systems or all
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Does anyone know what kind of skirts these are and where to find them? We have over 150 missing they are plastic and a bit bigger than normal 401s which do not fit.
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Recalled???
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Does anyone know type of head by chance? Only picture we have from customer just need cover plate. Thanks!
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Anyone know the mode type of these heads?
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