A feed water system and deaerator preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the feed water system and deaerator fails. This page gives the schedule used in the PlantOps360 task library for feed water system and deaerator, which follows common industry practice for general-purpose equipment. It is also searched for as deaerator, DA tank, feed water tank, boiler feed tank.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Feed water system and deaerator preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Daily | Check deaerator pressure, temperature, level and oxygen scavenger dosing | 10 min |
| Weekly | Test feed water for dissolved oxygen, hardness and pH; adjust chemical dosing | 15 min |
| Monthly | Check level controls, vent, overflow and pressure relief valve | 30 min |
| Quarterly | Check dosing pumps and chemical tank levels; calibrate dosing rates | 45 min |
| Half-yearly | Inspect spray nozzles and trays through the manhole (when shut down); check non-return valves | 90 min |
| Annual | Internal inspection and cleaning of the tank; test safety valve | 480 min |
Feed water system and deaerator maintenance frequency and yearly workload
At the estimated times, one feed water system and deaerator needs about 94 hours of preventive maintenance a year. The biggest single job is “Internal inspection and cleaning of the tank; test safety valve” at 480 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Daily | 1 | 10 min | 60.8 h |
| Weekly | 1 | 15 min | 13.0 h |
| Monthly | 1 | 30 min | 6.0 h |
| Quarterly | 1 | 45 min | 3.0 h |
| Half-yearly | 1 | 90 min | 3.0 h |
| Annual | 1 | 480 min | 8.0 h |
What goes wrong on a feed water system and deaerator without preventive maintenance
- Oxygen pickup that corrodes the boiler
- Level control faults
- Vent or overflow blocked
- Feed pump suction problems
What to watch between services
- Deaerator pressure, temperature and level
- Dissolved oxygen and hardness in the feed water
- Feed pump condition
Safety and statutory notes for feed water system and deaerator maintenance
A deaerator is a pressure vessel. Its safety valve and examination follow the pressure-vessel rules that apply.
Where a feed water system and deaerator preventive maintenance schedule is used
This equipment is used in the industries below. Each link opens the preventive maintenance schedule guide for that industry, and the maintenance software page where we have one.
- Preventive maintenance schedule for pharmaceutical plants · maintenance software for pharmaceutical · maintenance software for api bulk drugs
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants · maintenance software for chemical
- Preventive maintenance schedule for food, dairy and beverage plants · maintenance software for food processing · maintenance software for dairy
- Preventive maintenance schedule for agro, grain, edible oil and sugar plants · maintenance software for sugar and distilleries
- Preventive maintenance schedule for packaging, paper and printing plants · maintenance software for packaging · maintenance software for paper and pulp
- Preventive maintenance schedule for textile and garment mills · maintenance software for textile
- Preventive maintenance schedule for steel, foundry, forging and metal plants · maintenance software for steel and metals
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants · maintenance software for cement
- Preventive maintenance schedule for oil, gas and refinery facilities · maintenance software for oil and gas
- Preventive maintenance schedule for thermal and hydro power plants · maintenance software for power plants
Related equipment maintenance schedules
- Boiler preventive maintenance schedule
- Water-tube / large steam boiler preventive maintenance schedule
- Thermic fluid heater preventive maintenance schedule
- Steam turbine preventive maintenance schedule
- Steam distribution: traps preventive maintenance schedule
- Economiser preventive maintenance schedule
Browse the full list of equipment preventive maintenance schedules (317 types).
Run this feed water system and deaerator schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should a feed water system and deaerator be serviced?
In our schedule a feed water system and deaerator has 6 tasks: 1 daily, 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Internal inspection and cleaning of the tank; test safety valve”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in feed water system and deaerator preventive maintenance?
It covers routine checks and jobs such as “Check deaerator pressure, temperature, level and oxygen scavenger dosing”, “Test feed water for dissolved oxygen, hardness and pH; adjust chemical dosing”, “Check level controls, vent, overflow and pressure relief valve”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does a feed water system and deaerator need per year?
About 94 hours per unit per year at the estimated times in our library, including the daily checks done every day. Use it to plan workload, not as a benchmark.
Is there a free feed water system and deaerator maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.