Free checklist
Pre-action valve quarterly maintenance checklist
A quarterly pre-action valve round is short on purpose: it catches the wear items that fail between annual services. This checklist is sized for a tech with a phone. Every item says what to look at and the photo that proves the round happened. Work is commonly verified against NFPA 13, NFPA 25. Confirm the edition your authority having jurisdiction has adopted.
- Items
- 6
- Photos required
- 8
- Built for
- Subcontractors
Who runs it
The building engineer or sprinkler service tech reading the gauges, the releasing panel and the trim on the quarterly round, recording conditions rather than releasing the valve.
When in the schedule
Every quarter, and watched closely where the protected space is cold, since the whole point of a pre-action valve is to keep water out of the pipe until detection calls for it.
The checklist
Every item, and the photo that proves it
The photo count on each row is what RTI would require before the item can be submitted. Copy the list as is, or load it into RTI and let the gate enforce it.
Pressures and priming
- 2 photos
Supervisory air and water-supply pressures read
Supervisory air on the system side and supply water pressure below the clapper both read at the gauges, readings noted, neither gauge stuck or pinned and the differential consistent with the valve's normal hold.
- 1 photo
Priming and trim valves in their normal positions
Priming line and trim valves set to their marked normal positions, no weeping at the trim, nothing left isolated after prior service.
Release path and detection
- 2 photos
Releasing panel status and detection zones observed
Releasing control panel showing normal, no trouble or disabled zones, batteries in supervision, the detection covering the protected space intact and reporting.
- 1 photo
Solenoid and manual release station condition observed
Release solenoid energized and its isolation valve open, manual pull or release station in place and unobstructed, no signs the release path has been left disabled.
Enclosure and valve
- 1 photo
Valve position and supervision checked
Main control valve open and supervised, tamper confirmed reporting to the panel, the reset and operating instruction plate legible at the valve.
- 1 photo
Enclosure held above freezing where the space is cold
Valve room or enclosure kept warm where the protected area runs cold, heat operating, so a supervisory-air pre-action set stays dry and doesn't ice at the trim.
What usually sends this back
The failures are almost always the evidence, not the work
- System supervisory air read but the water-supply gauge below it ignored, so a valve holding on marginal supply pressure isn't caught before it matters.
- Releasing panel sitting in trouble or a detection zone disabled after other work, so the valve would never see the release signal it depends on.
- Solenoid or priming trim left isolated after prior service, so the clapper is mechanically ready but the release path is dead.
Run it with the Photo Gate
A checklist nobody can submit half-finished
Load this list into RTI, stick a QR tag on the area it covers, and the submit button stays locked until every mandatory item is answered and the 8 required photos exist. Approved walks roll into a branded turnover package with a tamper-evident record behind every line.
Submission state
The gate is enforced on the server, so it holds even if the phone is offline when the walk happens.
Common questions
- What does this pre-action valve quarterly checklist cover?
- 6 items across 3 sections, covering pressures and priming, release path and detection, enclosure and valve. Each item spells out what the person walking the job is actually looking for, not just a box to tick.
- Who should run this inspection?
- The building engineer or sprinkler service tech reading the gauges, the releasing panel and the trim on the quarterly round, recording conditions rather than releasing the valve.
- When in the schedule should this walk happen?
- Every quarter, and watched closely where the protected space is cold, since the whole point of a pre-action valve is to keep water out of the pipe until detection calls for it.
- Why does every item ask for a photo?
- 8 of the 6 items call for photo evidence. A checklist answer without the photo is a claim; the photo is what makes the record worth something in a dispute and lets a reviewer approve work without re-walking the job.
- What most often fails a pre-action valve quarterly inspection?
- System supervisory air read but the water-supply gauge below it ignored, so a valve holding on marginal supply pressure isn't caught before it matters. Releasing panel sitting in trouble or a detection zone disabled after other work, so the valve would never see the release signal it depends on. Solenoid or priming trim left isolated after prior service, so the clapper is mechanically ready but the release path is dead.
- Can I use this checklist in RTI?
- Yes. Start a free RTI workspace, build this list as a checklist, and the Photo Gate holds the submit button until every mandatory item is answered and its photos are attached. Approved inspections roll into a branded turnover package with a tamper-evident audit trail.
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