Free checklist
Water softener quarterly maintenance checklist
A quarterly water softener 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 IPC / UPC plumbing codes, manufacturer's published instructions. Confirm the edition your authority having jurisdiction has adopted.
The checklist
Every item, and the photo evidence it needs
The photo count on each row is what RTI would require before the item can be submitted. Work the list here and watch the gate hold, or load it into RTI and let it enforce the real thing.
Brine tank
Salt level checked and tank probed for bridging
Salt kept above the water line, tank probed with a handle to break any salt bridge or mushing at the bottom that would leave the unit regenerating on plain water.
Brine well and safety float checked
Brine well clear, float and air check moving freely, no salt slurry fouling the safety float.
Salt on hand matched to the manufacturer's specified type
Bag label read and matched to the salt the manufacturer calls for, pellets, crystals or a low-iron grade, with no salt form the manufacturer excludes fouling the tank.
Brine tank lid on and tank shell sound
Lid seated to keep dust and debris out, shell free of cracks or bulging, no salt crust weeping at the base or around the overflow fitting.
Brine line between tank and valve checked
Brine tubing seated at both fittings with no kink, crack or air leak that would stop the draw, and no salt crust packed at the connections.
Output and cycle
Softness verified with a hardness test at a tap
Treated water drawn at a downstream tap and run through a hardness test, compared against the incoming hardness to confirm the unit is actually softening.
Regeneration timer or meter confirmed set
Clock time and regen schedule correct on a timer head, or gallons-remaining advancing on a metered head, not stuck and not regenerating mid-shift.
Programmed hardness compared with the design or site baseline
Hardness or capacity value in the controller read and compared with the design basis or the site's baseline raw water hardness, a mismatch reported rather than a new value guessed at.
Control valve power and display checked
Valve power secure: plug-in transformer on an unswitched outlet or hard-wired feed with its cover on, display lit with no error code, low battery or service alert showing.
Tank alternation checked on twin or duplex units
Where two resin tanks alternate, the in-service indicator changes as the meter or schedule calls for, not one tank carrying the whole load.
No photo
Bypass and leaks
Bypass position and control head checked for leaks
Bypass in the service position, no weeping at the valve body or drain line, drain and overflow lines routed to an air gap.
Resin tank upright with its shell and base dry
Mineral tank plumb and stable, shell free of cracks or bulging, no weeping at the distributor seal under the head and the floor around the unit dry.
Record
Salt added and usage since the last visit logged
Bags added and drawdown since the last round logged, a sudden jump or drop in salt use flagged as a sign of a stuck regeneration, a leak or a bridge.
No photoHardness results and settings logged to the softener record
Incoming and treated hardness, programmed values, bypass position and any fault entered against the unit tag so the next round compares against them.
No photo
What usually sends this back
The failures are almost always the evidence, not the work
- Salt kept topped off but never probed, so a bridge has formed and the unit regenerates on air while hard water goes to the building.
- Called working from the salt level alone, with no hardness test at a tap to prove soft water is actually reaching the fixtures.
- Bypass left in the bypass position after someone worked downstream, so the softener is online in name only.
Verified against
Common questions
6 answers
- What does this water softener quarterly checklist cover?
- 14 items across 4 sections, covering brine tank, output and cycle, bypass and leaks, record. 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 plumbing or water-treatment tech on the quarterly round.
- When in the schedule should this walk happen?
- Every quarter, tightened up on a high-draw building where the salt runs down fast and bridging forms between visits.
- Why do these items ask for a photo?
- 11 of the 14 items call for photo evidence, 13 photos in all. 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 water softener quarterly inspection?
- Salt kept topped off but never probed, so a bridge has formed and the unit regenerates on air while hard water goes to the building. Called working from the salt level alone, with no hardness test at a tap to prove soft water is actually reaching the fixtures. Bypass left in the bypass position after someone worked downstream, so the softener is online in name only.
- 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.
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 13 required photos exist. Approved walks roll into a branded turnover package with a tamper evident record behind every line.
See all 508 checklists · 6741 items and 5984 photo requirements in total.