Plumbing Services

  • General plumbing maintenance & repairs

    Whether it’s dripping taps, faulty water heaters, low water pressure, or clogged toilets- we do it all!

  • Leaking Hot Water Cylinders

    Repairs or replacements on hot water cylinders, to ensure you don’t run out of hot water when you need it

  • Leak Detection

    Leaks can cost money by causing water damage to appliances and property, as well as water wastage. If you’ve got a leak, get on the phone to Semtex now!

  • Roof leaks & minor repairs

    A roof leak can cause mould and mildew growth, occupying carpets, furniture, and even clothing. The Semtex team can repair your leaky roof hassle-free.

  • Hot water installations & service

    If it’s a residential new-home build or renovation, or a hot water system at a commercial property, we’ve got the skills and know-hot to install and service a wide range of hot water systems.

  • Preventative Plumbing Maintenance

    To reduce the risk of plumbing issues turning from small to big, preventative plumbing maintenance is recommended.

  • Water softener systems

    These remove hardness-causing calcium and minerals from your water, reducing the risk of scale build-ups and failed water pressure.

  • UV water treatment

    UV water treatment is the most effective method for disinfecting bacteria from the water and making it safer for you and your family.

  • Unblocking toilets & drainpipes

    Blocked toilets and drainpipes don’t just cause bad odour, they also pose health risks and leaks

Drainage Services

Gas Services

  • Residential Gas Installation & Alterations

    Moving your gas hob or wanting a new gas fire installed we have the solutions for you.

  • Commercial Gas Installation & Alteration

    Specialists in commercial kitchens, laundries, plantrooms and underground HDPE gas pipework installations.

  • Renovations

    Have a small gas job and need a gas pipe moved we can help out.

  • Internal/External Hot-Water Infinity Units

    Rinnai Infinity and Rheem Integrity installation specialists in natural gas and LPG.

  • Gas meters & regulators

    Gas meter and gas regulator technicians available for installation or replacement.

  • Gas installation audits

    Need your site or building audited to make sure it complies with Gas (Safety and Measurement) Regulations 2010 Act. We can provide full site reports with recommendations to execute work required to comply.

  • Restaurants & cafes

    Commercial gas ovens/stoves, hobs, deep fryers, salamanders, brat pans servcing by our expert gasfitting technicians and 24/7 contracted breakdown services.

  • Appliance maintenance & repairs

    Gas fire, hob, energy saver heaters repairs and servicing specialists for Rinnai, Escea, Bosch to name a few.

  • Flue Gas & Combustion Analysis

    Flue Gas Analysing of Oxygen (O2), Carbon Monoxide (CO), Carbon Dioxide (CO2) and flue gas temperatures are present, room CO monitoring.



Mechanical Services

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