NSW Post trade qualification: Backflow prevention training course

CPCPWT4022 Commission and Maintain Backflow Prevention Devices

This unit delivers and assesses participants skills and knowledge required to safely test, commission and maintain backflow prevention devices.

Participants are mostly existing plumbers seeking to gain a backflow prevention endorsement to their plumbing license. The program is suitable to newly qualified plumbers and completing apprentices however they will not meet QBCC licensing requirements.

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Duration: 18.5 hours (over 2.5 days) face to face theoretical and practical training.

Delivery Mode: Face to face.

Course location: Programs are delivered from the Plumbing Industry Climate Action Centre, Glenwood Campus, NSW. Click here for directions

CPCPCM2043 – Carry out WHS requirements and CPCPWT3027 – Install backflow prevention device are prerequisites for CPCPWT4022 – Commission and maintain backflow prevention devices.
Learners who already hold the current prerequisite units must provide a verified Statement of Attainment prior to commencement.


Where a learner holds older or superseded qualifications that do not clearly meet the current prerequisite requirements, they may be required to complete a Recognition of Prior Learning (RPL) assessment.


Where a learner does not hold the required prerequisite units, they may be required to complete the prerequisite units, where available, before being eligible to be awarded the post-trade unit.

Entry Requirements:

This course has pre-requisite units which must be satisfied to be awarded this unit. Refer above to Pre-Requisites for further details. It is recommended that learners have acquired language, literacy and numeracy skills equivalent to Level 3 and Level 4 of the Australian Core Skills Framework (ACSF).

On successful completion:

CPCPWT4022 Commission and maintain backflow prevention devices is a nationally recognised unit of competence and learners who successfully complete the program are issued with a Statement of Attainment.

Pricing: From $1,060*

The fee for the Backflow Prevention Training Course is $1,060.

Where prerequisites units are not already held, the following additional fees apply: 

  • CPCPCM2043 – Carry out WHS requirements prerequisite/RPL, where required: $395
  • CPCPWT3027 – Install backflow prevention device prerequisite/RPL, where required: $495
  • Total where both RPLs are required: $1,950

*If no Government funding is available