Inspect and test sprinkler system control valves on their required schedule
domain: NFPA 25 ch. 13, control valves · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Classify each control valve by supervision method: unsupervised (weekly check), locked/sealed or supervised per applicable NFPA standard (monthly), or electrically supervised (quarterly)
Perform the visual check confirming the valve is in normal position, locked/sealed as required, and accessible/unobstructed
For electrically supervised valves, functionally test the tamper switch by moving the valve slightly off normal position and confirming the supervisory signal transmits
Lubricate and exercise valves through their full range per the annual full-inspection requirement, distinct from the routine position check
Document the position check results and any discrepancy (valve found closed, missing lock/seal, tamper switch not signaling) as a deficiency requiring immediate follow-up
Known gotchas
A closed control valve found during a routine check is effectively an unreported impairment -- it should immediately trigger Chapter 15 notification, not just a note on next month's report
The inspection interval is driven by supervision level, not valve size or importance -- a large, unsupervised main riser valve still gets only the baseline weekly check unless supervision is upgraded
An electrically supervised valve reporting a normal signal only confirms switch state, not that the valve is fully open -- full-open confirmation still requires the periodic physical check
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