Commercial plumber Adelaide
Any company in Adelaide depends much on commercial plumbing, so it's crucial to ensure it's up to code. Commercial plumbing comes in several varieties, each with its own set of code criteria. Commercial plumbing is also susceptible to issues that could affect your company.
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Sewer line services
Commercial services
Our experienced professionals at National 1 Plumbing guarantee your sewage line is operating smoothly and efficiently by fast and successfully removing tree roots and other obstructions using cutting-edge hydro jetting equipment. Having years of expertise, we are qualified to manage even the most difficult sewage line problems.
Tree root invasion is among the most frequent sewage line problems we encounter. Tree roots can be difficult to remove and can seriously harm sewer systems. Our hydro jetting services, on the other hand, allow us to swiftly and easily remove tree roots and restore the operation of your sewer system.
Grease accumulation is yet another frequent problem. Over time, grease can accumulate in your sewer system and possibly cause a blockage. Our sewer line cleaning services can clear all the grease and debris from your pipe, restoring free flow. We also replace, fix, and set up sewer lines.
Gas line plumbing services
Any company in Adelaide that uses natural gas for heating, or other applications depends on gas connections, which are absolutely vital. To work correctly and safely, gas lines have to be suitably installed and maintained. Our qualified gas plumbers can install, fix and maintain your gas line, hence guaranteeing its safe and effective operation. National 1 Plumbing offers a whole spectrum of gas plumbing services to fit your company from finding gas leaks to carrying out emergency repairs.
For all your plumbing and maintenance requirements, get in touch with National 1 Plumbing's qualified plumbers right now!
Water supply services
Commercial solutions
National 1 Plumbing knows that for companies to have a consistent water supply, so we provide a great variety of services to fit your requirements. We can assist whether your current water supply is causing issues or you require installation of a new water supply line. Our extensive selection of repair and maintenance services guarantees that your water supply is constantly in good operating order. From taps and toilets to hot water systems and rainwater tanks, we can handle all your water supply requirements.
Sanitary plumbing service
National 1 Plumbing offers the best sanitary plumbing services in Adelaide. This type of plumbing deals with the installation and repair of fixtures and pipes that are used for the transportation of water and waste in your business. It is important to make sure that your sanitary plumbing is in good working order to avoid any health hazards.
From installing toilets, sinks, and taps, to repairing leaks and cleaning drains, we have the expertise to handle all your sanitary plumbing needs, ensuring your business operates in a safe and hygienic environment.We have a team of experienced and qualified plumbers who are dedicated to providing the highest quality of service possible. We offer a wide range of sanitary plumbing services, including:
- Installation and repair of toilets, sinks and taps
- Installation and repair of sewer and stormwater pipes
- Installation of new plumbing fixtures
- Repair of leaks and burst pipes
- Drain cleaning
- Backflow prevention


Commercial repiping
National 1 Plumbing offers commercial repiping services in Adelaide. Our technicians use the latest technology and equipment to quickly and efficiently replace your old pipes with new, reliable ones. With our comprehensive approach, you can be confident that your new plumbing system will be functioning properly and efficiently for years to come.
We'll start by shutting off the water to your property and then draining the existing pipes. Next, we'll cut out the old pipes and install the new ones. National 1 Plumbing uses the latest technology and equipment to make sure the job is done right, and we'll clean up after ourselves when we're done. Once the new pipes are in place, we'll turn the water back on and test the system to make sure everything is working properly.
We can assist with commercial:
• Repair
• Installation
• Maintenance
• Servicing
• Inspection
For all your commercial plumbing needs, contact us today to get started.
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We provide a variety of Adelaide plumber services to meet your requirements, whether you need installation, maintenance, repair, or replacement of your hot water units. Our experienced plumbers can provide expert advice and high-quality service to ensure that you always have hot water when you need it.














FAQ's
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- Dedicated account manager with a single point of contact for our customers
- Customer service reports and JSA’s completed for each site visit, a copy of which is provided to the customer on completion of the job
- Standard operating procedures written for all clients
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We are compliant to Australian standards for Work Health Safety.
- Adhere to AS/NZS ISO 9001:2008
- Work Method Statements/JSA’s, Site Audits for every job
- Testing & tagging of all electrical equipment 3 monthly
- Formalised management plan
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- Current National police clearances for all employees and inducted subcontractors
- Upgraded DCSI clearances for all maintenance team members
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- We guarantee 100% work and service for every client.
- There are NO hidden costs – formal explanation of the job before servicing.
- Time management and continuity are high on our service priority.
- We pride ourselves on customer satisfaction with long-lasting service relationships.
- We have 46 staff in our team who are talented, professional and hard working.
- We have dedicated account managers to assist you.
- We have a comprehensive safety policy – employees and customers can sleep well at night knowing that the job will be carried out in a proper and safe manner.
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Yes we are members of HIA Housing Industry Association.
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We pride ourselves on our follow through and follow up rate. We offer same day service for all domestic and commercial emergencies.
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- Public liability insurance to 20 million dollars
- Plant and vehicle insurance to cover on site vehicles and large plant
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All staff members are formally trained and qualified to meet the requirements at hand.
Commercial plumbing

Just some of our happy customers
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David R.
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