Checklists by equipment
2 lists · 9 items · 12 photosHot water recirculation pump maintenance checklists
Hot water recirculation pump maintenance checklists for the quarterly and annual rounds: 2 free lists, 9 items and 12 photo requirements, each item naming what to look for and the photo that proves it. Work is commonly verified against IPC / UPC plumbing codes; the edition in force is the AHJ's call on each project.
The hot water recirculation pump rounds
Hot water recirculation pump QuarterlyHot water recirculation pump quarterly maintenance checklistLeaks, operation, check valve and delivered return temperature verified on the quarterly round5 items6 photosHot water recirculation pump AnnualHot water recirculation pump annual maintenance checklistPump isolated to prove the check valve, verify the aquastat and timer, and confirm every return leg runs hot on the annual4 items6 photos
Where each walk sits in the schedule
- Hot water recirculation pump quarterly maintenance checklistquarterly
- Every quarter, paired with the water heater check since a dead recirc pump shows up first as slow hot water at the far fixtures, not at the heater. Run by: The plumbing or building maintenance tech on the quarterly mechanical round.
- Hot water recirculation pump annual maintenance checklistannual
- Once a year, the pass that isolates the pump to actually inspect the check valve and cartridge and to walk the return legs, rather than assuming the loop is balanced because one gauge near the heater looks right. Run by: The plumbing service tech on the annual, able to isolate the pump at the flanges to service the check valve and read the loop cold and hot.
What most often fails on a hot water recirculation pump
- Pump seized or tripped and nobody notices, because the slow hot water at the far rooms gets blamed on the heater instead of the circulator that stopped moving water.
- Check valve stuck open, so hot water thermosiphons the wrong way through the loop and the return leg reads cold even with the pump running.
- Aquastat or timer set so the pump almost never runs, so the return temperature is read once, called fine, and the loop sits cold for most of the day.
- Check valve never pulled because isolating the pump is awkward, so a valve stuck part-open keeps letting the loop short-circuit and the far legs stay lukewarm all year.
- Aquastat differential drifted so the pump either runs continuously and wastes energy or cuts out too early and never satisfies the far risers.
- One return riser balanced closed or airbound, so it reads cold while the pump and the near legs look fine and the complaint keeps coming from the same rooms.
Verified against
Families only, never clause numbers. Adoption varies by jurisdiction; confirm the edition your authority having jurisdiction enforces before you run a walk against it.
Common questions
- Which hot water recirculation pump maintenance rounds do these checklists cover?
- Hot water recirculation pump quarterly maintenance checklist (quarterly): Every quarter, paired with the water heater check since a dead recirc pump shows up first as slow hot water at the far fixtures, not at the heater. Hot water recirculation pump annual maintenance checklist (annual): Once a year, the pass that isolates the pump to actually inspect the check valve and cartridge and to walk the return legs, rather than assuming the loop is balanced because one gauge near the heater looks right.
- Who runs the hot water recirculation pump maintenance round?
- The plumbing or building maintenance tech on the quarterly mechanical round. The plumbing service tech on the annual, able to isolate the pump at the flanges to service the check valve and read the loop cold and hot.
- What most often fails on a hot water recirculation pump?
- Pump seized or tripped and nobody notices, because the slow hot water at the far rooms gets blamed on the heater instead of the circulator that stopped moving water. Check valve stuck open, so hot water thermosiphons the wrong way through the loop and the return leg reads cold even with the pump running. Aquastat or timer set so the pump almost never runs, so the return temperature is read once, called fine, and the loop sits cold for most of the day. Check valve never pulled because isolating the pump is awkward, so a valve stuck part-open keeps letting the loop short-circuit and the far legs stay lukewarm all year.
- Which standards is hot water recirculation pump work verified against?
- IPC / UPC plumbing codes, published by the International Code Council / IAPMO. Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.
- Can I run these checklists in RTI?
- Yes. Start a free RTI workspace and load any of the 2 lists (9 items in total). The Photo Gate holds the submit button until every mandatory item is answered and its photos are attached, and approved inspections roll into a branded turnover package with a tamper-evident audit trail.