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Free plumbing maintenance checklist

Free plumbing maintenance checklist (PDF-ready). Covers pipes, valves, fixtures, backflow preventers, hot water systems and drainage. Download free.

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FreePDFUpdated Oct 2026

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Updated 26 Oct 2026

Plumbing System Maintenance Checklist

Scheduled maintenance for commercial and industrial plumbing systems

Live form
0 of 24 checks

Hot Water System

1Temperature and pressure relief valve tested
2Hot water delivery temperature 60-65C at unit
3Anode rod condition checked (if applicable)
4No leaks at connections, valves, or tank base
5Tempering valves delivering max 50C at outlets

Fixtures & Fittings

6All taps operating smoothly, no dripping
7Toilet cisterns filling and flushing correctly
8Isolating valves accessible and operational
9Hose taps and external fittings sealed

Drainage

10Floor drains clear and water sealed
11Grease traps cleaned and maintained
12Sewer vent pipes clear and unobstructed
13Stormwater drains flowing freely
14No odours indicating blocked or dry traps

Backflow Prevention

15Backflow prevention devices installed as required
16Annual testing current (test tag or certificate)
17Reduced pressure zone devices functioning
18Air gaps maintained at required distances

Compliance

19Water efficiency ratings current (WELS)
20Thermostatic mixing valves within test date
21Fire sprinkler isolation valves tagged and sealed
22Water meter accessible and reading correctly
23Copper pipe insulation intact (hot and cold)
24Legionella risk management plan current

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Jarrod Milford

Jarrod Milford

Co-Founder & Commercial Director

Updated 26 October 2026
Also see:Maintenance and work orders →Best CMMS software →MapTrack vs MaintainX →

Short answer

A plumbing maintenance checklist records scheduled checks and servicing of water supply, hot water, backflow devices, sanitary drainage, stormwater and gas plumbing. Facilities teams commonly run monthly, quarterly and six-monthly rounds, which are practice, not law. AS/NZS 3666.2:2011 clause 2.4 covers maintenance of heated water systems for microbial control, and AS/NZS 3500 sets the technical rules.

Checked against NCC 2025: Victoria from 1 May 2026; ACT and WA from 1 May 2026, each with a 12-month transition period; SA plumbing code from 1 May 2026. NSW, Queensland and SA (building) adopt NCC 2025 on 1 May 2027, with NCC 2022 Amendment 2 applying until then. Tasmania adopted NCC 2025 temporarily from 1 May to 4 June 2026 and lists 1 May 2027 as its adoption date. The NT has not adopted NCC 2025. on by the MapTrack templates team. How we check templates

Key takeaways

  • The MapTrack plumbing maintenance checklist contains 24 checks across 5 sections. Sections covered: Hot Water System, Fixtures & Fittings, Drainage, Backflow Prevention, Compliance.
  • Monthly, quarterly and six-monthly rounds are common practice; follow manufacturer intervals for hot water units, tempering valves and gas appliances.
  • AS/NZS 3666.2:2011 clause 2.4 covers heated water system maintenance; Part 3 covers cooling water systems only.
  • Backflow test intervals and result reporting are set by your water authority; keep a register of every testable device.
  • AS/NZS 3500 Parts 1 to 4 were reissued in 2025, and AS/NZS 5601.1:2022 replaced the 2013 gas installations standard.
  • Record hot water outlet temperatures and every leak, slow drain or running cistern with its location.

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Used by construction, mining and field service teams

Saunders InternationalMineral ResourcesSupagasHacer GroupMetro TunnelUltrabuilt

What is a plumbing maintenance checklist?

A plumbing maintenance checklist is a structured document used by building maintenance managers, facilities teams, licensed plumbers and compliance officers to systematically inspect and maintain the water supply, sanitary drainage, stormwater and gas plumbing systems within commercial, industrial and residential buildings. It covers water supply pipework (mains connection, meters, isolation valves, pressure regulators, distribution piping and fittings), hot water systems (storage, instantaneous, heat pump and solar units including tempering valves and expansion control), backflow prevention devices (testable and non-testable devices protecting potable water from contamination), sanitary plumbing and drainage (fixtures, traps, waste pipes, vent pipes, grease traps and sewer connections), stormwater drainage (roof drainage, downpipes, pits, pipework and on-site detention), gas plumbing (meters, regulators, pipework, appliance connections and ventilation), and fire services plumbing (hydrants, hose reels, sprinkler connections and fire pump suction lines) where these intersect with building plumbing.

Plumbing systems in Australia are regulated by the Plumbing Code of Australia (PCA), which forms Volume 3 of the National Construction Code, and the technical standard AS/NZS 3500 (Plumbing and Drainage). All plumbing work, including maintenance, must be performed by or supervised by a licensed plumber, and backflow prevention devices must be tested annually by a licensed tester and results reported to the water authority. A poorly maintained plumbing system can result in water contamination, Legionella risk, flood damage, sewer blockages, gas leaks and regulatory non-compliance. A documented maintenance programme ensures that every system component is inspected at scheduled intervals, defects are addressed before they escalate, and the building maintains a complete compliance history for water authority audits, insurance and building certification. When managed through MapTrack, completed checklists are stored against building and equipment asset records, providing a searchable maintenance history for compliance, warranty and lifecycle planning.

Learn more about maintenance and work orders in MapTrack.

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Benefits of using this plumbing maintenance checklist

  • Water quality protection: systematic inspection of backflow prevention devices, cross-connection controls, tempering valves and hot water system temperatures ensures potable water quality is maintained and contamination risks are eliminated.
  • Regulatory compliance: documented plumbing maintenance records demonstrate compliance with the Plumbing Code of Australia, AS/NZS 3500 and water authority requirements for backflow prevention testing, hot water system maintenance and drainage system integrity.
  • Flood and water damage prevention: early identification of leaking pipes, failed valves, blocked drains, corroded fittings and deteriorated seals during scheduled inspections prevents water damage that can cost tens of thousands of dollars to remediate.
  • Legionella risk management: regular inspection of hot water systems, tempering valves, dead legs and low-use outlets helps maintain water temperatures that prevent Legionella proliferation, particularly in healthcare, aged care and hospitality buildings.
  • Extended infrastructure life: regular maintenance of pipes, valves, fixtures, hot water systems and drainage components prevents accelerated corrosion, scale build-up and mechanical wear that shortens the service life of plumbing infrastructure.
  • Reduced emergency callouts: proactive identification of dripping taps, running cisterns, slow drains, corroded valves and ageing flexible connections prevents emergency plumbing callouts that disrupt building operations.
  • Audit-ready compliance records: a complete, chronological plumbing maintenance history linked to building assets in MapTrack simplifies water authority audits, insurance assessments, building certification and Legionella management plan reviews.

Benefits of digitising forms in MapTrack

When you move your checklists from paper to MapTrack, you get:

  • Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
  • Email the right people when a form is submitted, with an automation you set up.
  • File every completed form against the asset, location or person it covers.
  • Download any completed form as a PDF, with failed answers listed at the top.
  • Fill in forms offline; they upload when the device is back online.
  • Build conditional logic (show or hide questions based on answers).
  • Take pictures or attach photos. Not possible with a paper-based form.
  • Electronic signatures.
  • Edit forms later without reprinting.
  • Set who can view, fill in or edit forms with user roles.
  • Upload a paper form (PDF, Word, Excel or a photo) and MapTrack's AI builds a digital version for you to check.
  • Raise a work order from a submitted form with an automation you set up.
  • Track service intervals by hours, kilometres or calendar date in one place.
  • Attach supplier invoices and parts receipts to each maintenance record.

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Steve McAllister

Asset Coordinator, Saunders International

What to include in a plumbing maintenance checklist

This plumbing maintenance checklist covers 9 key areas:

  • Building and system identification: asset ID, building name and address, plumbing system age, water authority area, current date and licensed plumber or inspector name and licence number.
  • Water supply system: inspect mains connection, water meter, isolation valves, pressure reducing valves, distribution pipework, pipe supports, insulation, fittings, joints and visible signs of leaks, corrosion or scale build-up.
  • Hot water systems: inspect storage tanks, instantaneous units, heat pump systems and solar systems for temperature settings (60 degrees Celsius storage, 50 degrees Celsius delivery via tempering valve), anode condition, relief valve operation, expansion control and energy isolation.
  • Backflow prevention: verify annual testing compliance for all testable backflow prevention devices, check non-testable devices, inspect air gaps and confirm the backflow device register is current with the water authority.
  • Sanitary plumbing and drainage: inspect all accessible waste pipes, vent pipes, traps, floor wastes, cleanout points and sewer connections for blockages, leaks, odour, corrosion and structural condition.
  • Fixtures and fittings: inspect taps, mixers, cisterns, urinals, basins, sinks, showers and drinking fountains for leaks, drips, lime scale, damaged seats, worn washers and compliance with water efficiency requirements.
  • Stormwater drainage: inspect roof drainage connections, downpipes, stormwater pits, pipework, on-site detention systems and overflow paths for blockages, capacity, structural condition and compliance with council requirements.
  • Gas plumbing: inspect gas meter, regulator, pipework, appliance connections, flexible hoses, ventilation openings and gas detection equipment for leaks, corrosion and compliance with AS/NZS 5601.
  • Fire services plumbing: where applicable, inspect hydrant and hose reel supply pipework, sprinkler connections, fire pump suction lines and fire service isolation valves for condition, accessibility and flow.

How to use this plumbing maintenance checklist

  1. Review the plumbing maintenance log, backflow test records, hot water service history, previous inspection reports and any outstanding corrective actions.: Obtain the building plumbing asset records from MapTrack and review the previous inspection checklist, backflow prevention test certificates, hot water system service records and outstanding work orders. Check the water authority backflow device register for compliance status. Review any water quality test results, Legionella management plans and recent plumbing modification records.
  2. Inspect the water supply system from the mains connection through to the distribution pipework, checking meters, isolation valves, pressure and pipe condition.: Locate and inspect the mains water connection, water meter (record the reading) and main isolation valve (confirm it operates fully). Check pressure reducing valves and expansion control devices for correct operation. Trace the distribution pipework through accessible areas, inspecting for leaks, corrosion, damaged insulation, unsupported pipe runs, incompatible material joints (copper to galvanised) and evidence of water hammer. Test a sample of isolation valves throughout the building to confirm they operate.
  3. Inspect hot water systems, tempering valves and backflow prevention devices. Verify temperatures, anode condition and backflow test compliance.: Inspect each hot water system for storage temperature (60 degrees Celsius minimum to prevent Legionella), delivery temperature at the furthest outlet via tempering valve (50 degrees Celsius maximum for personal hygiene fixtures, 45 degrees Celsius for early childhood and aged care), relief valve condition and discharge, anode rod condition (replace if depleted), and expansion control device operation. Inspect all testable backflow prevention devices, confirm annual test tags are current and certificates are lodged with the water authority.
  4. Inspect sanitary drainage, fixtures, stormwater and gas plumbing systems. Check for leaks, blockages, corrosion and code compliance.: Inspect accessible waste pipes, vent pipes, traps and cleanout points for leaks, blockages and corrosion. Flush floor wastes and test trap seals. Inspect all fixtures for leaks, drips, limescale and mechanical condition. Inspect stormwater drainage from roof connections through to the discharge point, clearing debris from pits and grates. Inspect gas plumbing including the meter, regulator, pipework and appliance connections, testing for gas leaks with approved leak detection solution or instrument. Check ventilation for gas appliances.
  5. Record all findings, defects and test results on the checklist. Raise corrective work orders, update the backflow register, set the next inspection date and sign off.: Complete each checklist item with the recorded measurement, observation or Pass/Fail result. Record hot water temperatures, water meter readings and backflow device test outcomes. Record all defects with descriptions, photographs, locations, severity and recommended corrective actions. Raise work orders in MapTrack for items requiring follow-up, with priority ratings and target completion dates. For critical defects such as gas leaks, backflow device failures or Legionella temperature non-compliance, arrange immediate corrective action. Update the water authority backflow register where required. Set the next scheduled inspection date. Sign and date the completed checklist.

In MapTrack, you can schedule and track maintenance digitally, by date or meter reading. Each submission is stored as a timestamped PDF against the asset record.

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How often should you complete this checklist?

Plumbing maintenance frequency depends on the building type, plumbing system age, occupancy and regulatory requirements. Monthly operator checks should cover hot water temperatures, visible leaks, slow drains, running cisterns, dripping taps and gas appliance ventilation. Quarterly inspections should include a walkthrough of all accessible pipework, fixtures, drainage and stormwater systems. Six-monthly inspections should cover the full checklist including hot water system servicing, valve testing and gas system inspection.

Backflow prevention devices must be tested annually by a licensed backflow tester, with results reported to the water authority. Hot water system anodes should be inspected every three to five years depending on water quality. Tempering valves should be serviced annually. Gas appliance servicing intervals are specified by the manufacturer. In healthcare, aged care and hospitality buildings, Legionella management plans may require more frequent temperature monitoring and system flushing.

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Frequently asked questions

AS/NZS 3500 (Plumbing and Drainage) is the primary technical standard covering water services, sanitary plumbing, stormwater drainage and heated water services in Australia. The Plumbing Code of Australia (PCA), forming Volume 3 of the National Construction Code, sets performance requirements for plumbing installations. AS/NZS 5601 covers gas plumbing installations. State and territory plumbing regulations specify licensing requirements, backflow prevention testing and reporting obligations, and hot water temperature compliance. All plumbing maintenance must be performed by or supervised by a licensed plumber.

Testable backflow prevention devices (reduced pressure zone devices, double check valve assemblies and pressure vacuum breakers) must be tested annually by a licensed backflow prevention tester in all Australian states and territories. Test results must be reported to the relevant water authority, typically within 10 business days. Failed devices must be repaired or replaced and re-tested. Non-testable devices should be visually inspected during routine plumbing maintenance. The building owner is responsible for maintaining a register of all backflow devices and ensuring annual testing compliance.

Under AS/NZS 3500.4 and the Plumbing Code of Australia, hot water must be stored at a minimum of 60 degrees Celsius to prevent Legionella bacterial growth. Water delivered to personal hygiene fixtures (showers, basins, baths) must be tempered to a maximum of 50 degrees Celsius (45 degrees Celsius for early childhood centres and aged care facilities) to prevent scalding. Tempering valves and thermostatic mixing valves must be maintained and serviced annually to ensure they continue to deliver water within the required temperature range.

Common issues include dripping taps and running cisterns (which waste significant volumes of water over time), slow or blocked drains caused by grease, hair and debris accumulation, corroded or failed flexible braided hoses under basins and sinks (a leading cause of internal flooding), non-compliant hot water temperatures, overdue backflow device testing, blocked stormwater drains and pits, corroded galvanised pipework in older buildings, and failed seals around baths, showers and sinks. Regular scheduled inspections catch these issues before they result in water damage or regulatory non-compliance.

Asset tracking platforms such as MapTrack allow you to store all plumbing inspection checklists, backflow test certificates, hot water service records, gas compliance certificates and corrective work orders against building and equipment asset records. This creates a single, auditable compliance history accessible during water authority audits, insurance reviews and building certification. Automatic reminders ensure annual backflow testing, hot water servicing and routine inspection dates are not missed.

Applicable regulatory standards

This template is a starting point. Check the current requirements that apply to your equipment, work and location. The template alone does not establish compliance.

  • National Construction Code

    Edition: NCC 2025: Victoria from 1 May 2026; ACT and WA from 1 May 2026, each with a 12-month transition period; SA plumbing code from 1 May 2026. NSW, Queensland and SA (building) adopt NCC 2025 on 1 May 2027, with NCC 2022 Amendment 2 applying until then. Tasmania adopted NCC 2025 temporarily from 1 May to 4 June 2026 and lists 1 May 2027 as its adoption date. The NT has not adopted NCC 2025.

    The Plumbing Code of Australia, given legal effect by each state and territory's plumbing laws.

    • Vol 3: Volume Three, the Plumbing Code of Australia: performance and Deemed-to-Satisfy provisions for plumbing and drainage

    Australian Building Codes Board

  • Air-handling and water systems of buildings - Microbial control, Part 2: Operation and maintenance

    Edition: AS/NZS 3666.2:2011

    Maintenance of heated water systems for microbial control, and the maintenance records to keep.

    • 2.4: Maintenance of heated water systems
    • 2.6: Operating and maintenance manuals and maintenance records

    Standards Australia and Standards New ZealandSold by the publisher

  • Plumbing and drainage, Part 1: Water services

    Edition: AS/NZS 3500.1:2025

    Water services, 2025 edition, which supersedes 2021 for Parts 1 to 4; check the edition your state or territory has adopted.

    Standards Australia and Standards New ZealandSold by the publisher

  • Plumbing and drainage, Part 2: Sanitary plumbing and drainage

    Edition: AS/NZS 3500.2:2025

    Sanitary plumbing and drainage, 2025 edition.

    Standards Australia and Standards New ZealandSold by the publisher

  • Plumbing and drainage, Part 4: Heated water services

    Edition: AS/NZS 3500.4:2025

    Heated water services, 2025 edition.

    Standards Australia and Standards New ZealandSold by the publisher

  • Gas installations, Part 1: General installations

    Edition: AS/NZS 5601.1:2022 (incl. Amd 1:2023, Amd 2:2024, Amd 3:2025)

    Gas installations, AS/NZS 5601.1:2022, which superseded the 2013 edition.

    Standards Australia and Standards New ZealandSold by the publisher

Each source was read at its publisher and the page checked on 26 October 2026. The publisher's current text is the authority.

Check the current source

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  <p style="font-size:12px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:#071D49;margin:0;">Free template</p>
  <p style="font-size:18px;font-weight:700;color:#071D49;margin:6px 0 0;">Plumbing maintenance checklist</p>
  <ul style="margin:12px 0 0;padding-left:18px;color:#374151;font-size:14px;line-height:1.6;">
    <li style="margin:4px 0;">Building and system identification: asset ID, building name and address, plumbing system age, water authority area, current date and licensed plumber or inspector name and licence number.</li>
    <li style="margin:4px 0;">Water supply system: inspect mains connection, water meter, isolation valves, pressure reducing valves, distribution pipework, pipe supports, insulation, fittings, joints and visible signs of leaks, corrosion or scale build-up.</li>
    <li style="margin:4px 0;">Hot water systems: inspect storage tanks, instantaneous units, heat pump systems and solar systems for temperature settings (60 degrees Celsius storage, 50 degrees Celsius delivery via tempering valve), anode condition, relief valve operation, expansion control and energy isolation.</li>
    <li style="margin:4px 0;">Backflow prevention: verify annual testing compliance for all testable backflow prevention devices, check non-testable devices, inspect air gaps and confirm the backflow device register is current with the water authority.</li>
    <li style="margin:4px 0;">Sanitary plumbing and drainage: inspect all accessible waste pipes, vent pipes, traps, floor wastes, cleanout points and sewer connections for blockages, leaks, odour, corrosion and structural condition.</li>
    <li style="margin:4px 0;">Fixtures and fittings: inspect taps, mixers, cisterns, urinals, basins, sinks, showers and drinking fountains for leaks, drips, lime scale, damaged seats, worn washers and compliance with water efficiency requirements.</li>
  </ul>
  <p style="font-size:13px;color:#6B7280;margin:14px 0 0;padding-top:12px;border-top:1px solid #E5E7EB;">Free <a href="https://www.maptrack.com/templates/plumbing-maintenance-checklist" style="color:#071D49;font-weight:600;text-decoration:none;">Plumbing maintenance checklist</a> by MapTrack</p>
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The MapTrack plumbing maintenance checklist contains 24 checks across 5 sections.

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