Plumbers, Gasfitters and Drainlayers Board

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What is gasfitting and who can do it?

What is gasfitting?

Gasfitting is any work involved in installing, altering or repairing gas appliances including the fixing or unfixing of any gas pipes, ventilation or flue pipes, commissioning gas appliances and ensuring their safe operation (including the testing, setting, checking and adjusting of safety devices, combustion conditions and controls associated with the gas installation and ensuring there is adequate ventilation).

Gasfitting includes work on appliances fitted to ships, boats, caravans, motorhomes, trains and any other vehicles, and also includes work on gas appliances fixed within buildings that are supplied by gas bottles of any size.

A certifying gasfitter is responsible for the testing, verification and the supervision of tradesman gasfitters, Journeyman gasfitters, limited certificate (trainee gasfitters) and exempted persons.

Work that is not defined as gasfitting includes work on portable gas appliances which have the gas bottle attached such as barbecues, cabinet heaters and patio heaters, although the Plumbers, Gasfitters and Drainlayers Board strongly recommends that a gasfitter is used.

IMPORTANT NOTE: If 100kg of LPG is stored on any site, the site itself must be certified by an Environmental Protection Agency (EPA) test certifier. This may entail changes to the location of the bottles, or further building development on the site. For further information please visit EPA.

How is gasfitting defined in the Act?


Who can undertake gasfitting work?


Authorisation type
Licence category 1nd Tier | Certifying Gasfitter
The highest qualification available. These people are qualified and registered. They are responsible for ensuring both their own work and the work of anyone they supervise is done competently.

A Certifying Gasfitter provides gasfitting certificates.  (Also see gasfitting certificates at www.pgdb.co.nz/consumer/gasfitting-certificates.html)

2nd Tier | Tradesman Gasfitter
These people are qualified and registered and usually work independently.  However, a nominated certifying tradesperson (supervisor), is ultimately responsible for ensuring that the work is done competently.

3rd Tier | Journeyman Gasfitter
These people have completed a trade qualification but have not passed the Board's licensing exam.  They are registered and authorised.  

Training | Limited Certificate Trainee Gasfitter
These are people who are working towards becoming qualified. They can do the work but must be supervised by a certifying person who is ultimately responsible for ensuring the work is done competently.
Exemption for gasfitting under supervision
Exemption 20
These people are not registered and don't have a full qualification, but they can do gasfitting work within the scope of the exemption that has been granted. They may also be granted permission to file gasfitting certificates of compliance.

Exemption 21
These people are not registered and don't have a full qualification, but they can do gasfitting work provided they are supervised by a certifying person, who must ensure that the work is done competently.

Living safely with gas and LPG in NZ

Other Information


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Contact the Plumbers, Gasfitters and Drainlayers Board

Phone: 0800 743 262, Email: registrar@pgdb.co.nz, Post: PO Box 10655, The Terrace, Wellington 6143
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