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25 Free Checklists

Plumbing & Water Systems Maintenance Checklist

Free plumbing and water system maintenance checklists for pumps, pressurisation and booster sets, cold water storage tanks, TMVs, backflow prevention, water heaters, and more. Each includes preventive tasks, legionella considerations, frequencies, and safety notes.

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Plumbing maintenance checklist template covering outlet flushing, hot water temperature checks, leak inspections and water hygiene tasks with frequencies
A preview of the plumbing maintenance checklist format — water hygiene frequencies follow HSG274 guidance.

Water system maintenance combines mechanical checks (pumps, valves, pressurisation) with water hygiene and legionella control under ACoP L8 — temperature monitoring, tank inspections, TMV servicing, and flushing. Choose the checklist for your specific asset below.

Water Systems

Degasser (Deaerator) Maintenance Checklist

9 tasks · Free PDF

Chemical Dosing Pot Maintenance Checklist

8 tasks · Free PDF

Water Softener Maintenance Checklist

10 tasks · Free PDF

Water Treatment Unit Maintenance Checklist

10 tasks · Free PDF

Strainer (Y-type / Basket) Maintenance Checklist

8 tasks · Free PDF

Pressure Reducing Valve (PRV) Maintenance Checklist

9 tasks · Free PDF

Non-Return Valve (Check Valve) Maintenance Checklist

8 tasks · Free PDF

Riser Isolation Valve Maintenance Checklist

9 tasks · Free PDF

Cold Water Storage Tank Maintenance Checklist

10 tasks · Free PDF

Thermostatic Mixing Valve (TMV) Maintenance Checklist

10 tasks · Free PDF

Backflow Prevention Device (RPZ Valve) Maintenance Checklist

10 tasks · Free PDF

Unvented Hot Water Cylinder Maintenance Checklist

10 tasks · Free PDF

Point-of-Use Water Heater Maintenance Checklist

10 tasks · Free PDF

Grease Trap / Grease Management System Maintenance Checklist

10 tasks · Free PDF

Instantaneous Water Heater Maintenance Checklist

10 tasks · Free PDF

Other maintenance checklist categories

HVAC maintenance checklists — Air handling units, fan coils, chillers, VRF, ductwork and extract systems — filters, coils, refrigerant and damper checks.
heating maintenance checklists — Boilers, calorifiers, heat exchangers, heat pumps and flues — combustion, controls and hot water safety checks.
electrical maintenance checklists — Distribution boards, switchgear, generators, UPS, solar PV and EV charging — inspection, testing and thermographic checks.
fire safety maintenance checklists — Fire dampers, alarms, emergency lighting, sprinklers, risers and fire doors — the statutory checks and their records.
BMS and controls maintenance checklists — BMS panels and head-ends, DDC controllers, inverters, sensors and actuators — calibration, overrides and strategy backups.
metering maintenance checklists — Energy, heat, water and gas meters — read integrity, accuracy checks and the data quality behind aM&T reporting.
lift maintenance checklists — Passenger, goods and platform lifts and escalators — LOLER thorough examination, entrapment release and door safety.
All maintenance checklists·preventive maintenance checklist·building maintenance checklist·Statutory inspection checklists·Free checklist templates·Compliance and FM topics

The L8 rhythm: what gets checked and when

UK water hygiene practice under ACoP L8 and HSG274 Part 2 settles into a predictable rhythm: monthly temperature monitoring at sentinel outlets (hot above 50°C, cold below 20°C), weekly flushing of little-used outlets, quarterly cleaning and descaling of shower heads, six-monthly checks of cold water storage temperatures, and an annual internal inspection of tanks and calorifiers. TMVs get an annual service and fail-safe test; RPZ backflow prevention valves are tested annually by an approved tester.

The schedule itself should come from your legionella risk assessment — buildings with healthcare uses, dead legs, or complex storage need more; a small simple system may justify less. What never changes is the record-keeping: temperature logs and inspection records are the compliance evidence, and gaps in the log read as gaps in control.

Mechanical reliability underpins hygiene

The mechanical side of the checklist — pump seals and bearings, duty/standby changeover, booster set pressures, expansion vessel pre-charge — is what keeps the hygiene regime workable. A failed duty pump that leaves a standby running unnoticed, or a booster set cycling on a waterlogged vessel, shortens equipment life and can destabilise the temperatures the L8 regime depends on. Exercising valves and rotating duty/standby pairs regularly prevents the classic failure mode of standby plant that has seized by the time it's needed.

Where tanks, softeners, or water heaters are due for replacement, the maintenance history is the business case: logged failures, water quality results, and inspection photos make the capital conversation straightforward.

Frequently asked questions

What does a water system maintenance checklist cover?
It covers the mechanical assets — pumps, pressurisation and booster sets, valves — alongside water hygiene and legionella control under ACoP L8. That means temperature monitoring, cold water tank inspections, TMV servicing and fail-safe tests, backflow (RPZ) testing, and flushing of little-used outlets, as well as pump seals, bearings, and duty/standby operation.
How does legionella control fit into plumbing maintenance?
Legionella control is a core part of water system maintenance in commercial buildings. Under ACoP L8 and HSG274, stored and distributed water temperatures must be monitored, tanks and calorifiers inspected, TMVs serviced, and low-use outlets flushed — all recorded as evidence. These checks run alongside the mechanical maintenance of pumps and valves.
Are these water maintenance checklists free?
Yes. Every checklist can be viewed in full and downloaded as a free PDF, with no signup. They reflect UK water hygiene and maintenance practice and are a practical starting point rather than a substitute for your legionella risk assessment.

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