Water Treatment Services >Servicing and Maintenance

Water Servicing and Plant Maintenance

Ensure the long-term performance and reliability of your water treatment systems with our expert water servicing and maintenance services. 

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Maximise Plant Performance through Expert Water Servicing

At FILTEC, we don’t just service water and wastewater treatment assets—we elevate their performance through expert water servicing and plant maintenance.

Our team of 18 highly skilled technicians across New Zealand and Australia are the backbone of our service excellence. Each technician is not only factory-trained but also continuously upskilled to stay ahead of industry standards, ensuring your plant receives the most informed and capable support available.

We specialise in proactive maintenance strategies that prevent costly downtime, extend equipment life, and keep your operations fully compliant. Whether it’s routine servicing or urgent repairs, our people bring precision, pride, and deep technical expertise to every job.

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18 Technicians Across New Zealand and Australia

Highly mobile, cross-trained experts ready to support regional and national servicing needs with speed and precision.

Certified by the Best

Certified in Trojan, Evoqua chlorine systems and instrumentation, WTW, and other leading brands, backed by ongoing training and deep technical expertise.

Smart Scheduling & Coordination

ERP-driven systems and regional coordinators ensure fast, accurate deployment and minimal disruption to your operations.

On-Hand Stock for Faster Response

Critical parts stocked in service vehicles and depots for rapid repairs and reduced downtime.

Why Choose FILTEC as Your Service Partner?

Decades of Combined Experience

FILTEC’s service team brings together decades of hands-on experience maintaining and optimising water treatment infrastructure across municipal, industrial, and commercial sectors. Our technicians understand the nuances of legacy systems and modern technologies alike, ensuring that every asset, whether a UV disinfection unit or a chemical dosing pump, is serviced with precision and care

Comprehensive Service Offerings

We offer full-spectrum servicing for water treatment assets, including scheduled maintenance, emergency repairs, performance audits, and remote monitoring. Whether it’s a membrane filtration system, a chlorine dosing skid, or a SCADA-controlled plant, FILTEC’s service packages are designed to keep your assets compliant, efficient, and operational year-round.

Proven Track Record

FILTEC has a long-standing reputation for reliable servicing of critical water infrastructure. Our portfolio includes hundreds of successful service engagements, from regional council plants to high-risk industrial sites, where we’ve extended asset life, reduced downtime, and improved compliance outcomes through proactive maintenance and expert troubleshooting.

Cost-Effective Optimisation

Our servicing approach goes beyond routine checks. FILTEC technicians assess asset performance and identify opportunities to reduce energy use, chemical consumption, and wear-and-tear. Through targeted interventions and upgrades, we help clients achieve measurable cost savings while enhancing system reliability and water quality.

Regulatory Compliance Guarantee

Every service visit is conducted with regulatory compliance front of mind. FILTEC ensures your water treatment assets meet all relevant standards across New Zealand and Australia, including DWSNZ, HSNO, and regional discharge consents in New Zealand, as well as applicable Australian state and federal water quality regulations. Our technicians are trained in current compliance protocols, and our service reports provide clear, audit-ready documentation to support your regulatory obligations.

Specialist UF Filtration Expertise

Ultrafiltration systems require specialised servicing to maintain membrane integrity and throughput. FILTEC’s UF experts perform detailed inspections, clean-in-place (CIP) procedures, and performance diagnostics to ensure your membranes operate at peak efficiency, minimising fouling and maximising water recovery.

Major Hazard Facility Expertise

Servicing assets in Major Hazard Facilities demands rigorous safety protocols and technical expertise. FILTEC’s technicians are certified to work in high-risk environments and follow site-specific safety cases. We provide tailored service plans for assets such as chemical dosing systems, control panels, and containment infrastructure.

Hazardous Chemical Feed Systems

FILTEC specialises in the servicing of hazardous chemical feed systems, including chlorine, caustic, and coagulant dosing units. Our technicians ensure accurate calibration, leak-free operation, and full compliance with HSNO and WorkSafe NZ standards, protecting both your team and the environment.

Critical Safety and Control Systems

FILTEC supports the reliable operation of your plant’s control systems by servicing the critical field equipment that connects to them, such as sensors, actuators, alarms, and interlocks. Our technicians ensure these components are calibrated, functioning accurately, and seamlessly integrated with your automation infrastructure. This proactive servicing helps maintain system responsiveness, supports fault detection, and enhances overall plant safety and performance.

Our Servicing Capabilities

Specialist Treatment System Expertise

  • Chlorine gas and dosing system servicing

  • UV disinfection systems

  • Ultrafiltration (UF) and Reverse Osmosis (RO)

  • Major hazard facility expertise

  • Chemical feed systems, including chlorine gas, hypochlorite, and fluoride

  • Instrumentation and control systems

  • Complex chemical dosing solutions

  • Legacy equipment upgrades and retrofits

Membrane and UF Servicing
UV Service Water Servicing and Plant Maintenance
Water Technician Preventative Maintenance

Preventative Plant Maintenance Services

  • Preventative maintenance

  • Calibrations

  • Media changes

  • UF and RO membrane changes

  • UV system maintenance

  • Site audits

  • Critical safety and control systems

  • Upgrades and modifications

Areas We Service 

We have experienced teams situated throughout New Zealand and Australia, allowing us to be local to our customers while providing expert services for water and wastewater treatment plants. 

With our commitment to making water safer, we ensure that these vital systems operate at their best to meet the growing demands of all New Zealand and Australian regions.

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Our Customers

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