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Reverse osmosis system annual maintenance checklist

The annual reverse osmosis system service is the deep pass: the measurements, cleanings and tests a quarterly round doesn't reach. This checklist keeps the full service on record with the photos that make it defensible later. Work is commonly verified against manufacturer's published instructions, IPC / UPC plumbing codes. Confirm the edition your authority having jurisdiction has adopted.

Items
5
Photos required
8

Who runs it

The water-treatment service tech on the annual service of the RO system.

When in the schedule

Once a year, when the skid can be taken down for the clean-in-place or membrane change and the storage tank can be drained and re-charged.

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.

01

Membrane service

  • Membranes cleaned or replaced per condition

    Clean-in-place run or membranes changed based on the trended pressures and quality, vessel and O-rings inspected on reassembly.

    2 photos
  • Flush and cleaning cycle run until rinse is clear

    Full flush or CIP cycle completed, rinse observed running clear before the unit is returned to product, no cleaning chemical left in the vessels.

    2 photos
02

Storage and delivery

  • Storage tank pressure and draw-down checked

    Tank air charge checked against the empty setpoint, draw-down and repressurization observed without short-cycling the pump.

    1 photo
  • Post-service pressures and product reading re-observed

    Operating pressures, permeate flow and the product-quality meter re-read after service and logged against the pre-service figures.

    2 photos
03

Integrity

  • Full skid checked for leaks after reassembly

    Every housing, vessel end cap and fitting disturbed during service brought back up to pressure and checked dry.

    1 photo

What usually sends this back

The failures are almost always the evidence, not the work

  • Membranes replaced or cleaned but the storage tank's air charge never checked, so short-cycling and poor draw-down carry on.
  • Flush or clean-in-place cut short before the rinse runs clear, leaving cleaning chemical in the vessels to reach the product line on restart.

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

Mandatory items answered5 of 5
Photos attached5 of 8
Submit locked, 3 photos missing

The gate is enforced on the server, so it holds even if the phone is offline when the walk happens.

Verified against

Common questions

What does this reverse osmosis system annual checklist cover?
5 items across 3 sections, covering membrane service, storage and delivery, integrity. 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 water-treatment service tech on the annual service of the RO system.
When in the schedule should this walk happen?
Once a year, when the skid can be taken down for the clean-in-place or membrane change and the storage tank can be drained and re-charged.
Why does every item ask for a photo?
8 of the 5 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 reverse osmosis system annual inspection?
Membranes replaced or cleaned but the storage tank's air charge never checked, so short-cycling and poor draw-down carry on. Flush or clean-in-place cut short before the rinse runs clear, leaving cleaning chemical in the vessels to reach the product line on restart.
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.