DUX Repair Services India
DUX is an Australian manufacturer of industrial-grade water heating systems, heat pump technology, and thermal management solutions trusted across Asia-Pacific and India. Known for robust instantaneous gas water heaters, storage systems, and commercial heat exchangers, DUX equipment is widely deployed in hospitality, food processing, dairy, and manufacturing sectors across India. Their systems combine reliability with energy efficiency, making them a preferred choice for Indian plant operations.
DUX is an Australian manufacturer of industrial-grade water heating systems, heat pump technology, and thermal management solutions trusted across Asia-Pacific and India. Known for robust instantaneous gas water heaters, storage systems, and commercial heat exchangers, DUX equipment is widely deployed in hospitality, food processing, dairy, and manufacturing sectors across India. Their systems combine reliability with energy efficiency, making them a preferred choice for Indian plant operations.
Synchronics Electronics specialises in repairing the complete DUX water heating and thermal control product range including instantaneous heaters, heat pump units, storage tank assemblies, and control boards. With 180+ experienced engineers and 30 years' expertise, we diagnose and restore DUX thermal systems across India. Our Vadodara facility handles PCB repairs, heating element replacement, thermostat calibration, and sensor diagnostics — restoring uptime for food processing units, hotels, hospitals, and manufacturing plants that depend on DUX equipment.
Complete DUX thermal system repair — heaters, controls, sensors — across Indian industries.
DUX Product Lines We Repair
Our engineers are trained on the full DUX product range. Below are the major product families we service.
Instantaneous Gas Water Heaters (DHX, DHE Series)
High-capacity instantaneous gas heating systems for commercial kitchens, laundries, and dairy operations. Common faults include weak ignition, pilot light failure, temperature overshoot, and gas control valve issues.
Heat Pump Systems (Thermal Storage)
Energy-efficient heat pump-based water heating for large facilities. Typical repairs involve compressor faults, refrigerant leaks, condenser blockages, and electronic control board failures.
Storage Tank Systems (DUX Aquastat)
Industrial storage tanks with integrated temperature and pressure controls. Common failures include thermostat drift, pressure relief valve sticking, heating element burnout, and sensor signal loss.
Control Boards and Thermostats
Electronic control units and thermostat modules managing temperature regulation in DUX systems. Repair includes PCB corrosion repair, relay replacement, sensor calibration, and firmware resets.
Heating Elements and Sensors
Immersion heaters and temperature sensors for DUX storage systems. Issues include scale buildup reducing heating efficiency, sensor resistance drift, and element contact corrosion.
Why Choose Synchronics for DUX Repairs?
PCB-Level Expertise
We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on DUX equipment.
Fast Turnaround
Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.
6-Month Warranty
Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.
All-India Service
Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.
Common DUX Equipment Faults We Fix
Based on 30+ years of repair data, these are the most frequent failure modes we see in DUX equipment arriving at our workshop.
- ✓Pilot light fails to ignite consistently — DUX instantaneous heaters rely on reliable pilot ignition. Failure is typically due to debris in the pilot jet, corroded ignition electrode, or weak spark output from the ignition module.
- ✓Water temperature unstable or overshoots — DUX modulating gas control valves and thermostats drift with age. Thermal cycling and hard water mineral deposits impair sensor accuracy and valve response speed.
- ✓Heat pump compressor not starting or cycles off — DUX heat pump systems fail when refrigerant pressure sensors malfunction, thermal overload protectors trip, or electronic control relays burn out from capacitor aging.
- ✓Pressure relief valve leaks continuously — DUX pressure relief valves fail due to calcification from hard water, corrosion of the valve seat, or spring fatigue. Improper pressure setting amplifies the issue.
- ✓Immersion heating element shows zero resistance or weak heating — DUX storage tank elements burn out when water-side scale insulates the element, causing internal open circuit or resistance wire corrosion. Ground faults develop in damp installations.
- ✓Electronic thermostat display blank or unresponsive — DUX control boards fail due to solder joint cracking from thermal shock, capacitor leakage from age, or water vapour condensation on the PCB in high-humidity industrial environments.
How We Repair Your DUX Unit
Receive & Log
Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.
Fault Diagnosis
Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.
Component Repair
Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.
Full-Load Test
Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.
Industries Using DUX Equipment
We serve plant maintenance teams across all major industries where DUX automation is deployed.
Frequently Asked Questions — DUX Repairs
Do you repair DUX water heaters and heat pumps anywhere in India?+
Yes. Synchronics repairs the complete DUX product range — instantaneous heaters, heat pump systems, storage tanks, control boards, and sensors. We offer PAN India doorstep pickup from Mumbai, Delhi, Pune, Chennai, Hyderabad, Bangalore, Ahmedabad, Surat, and 100+ other cities. All units are serviced at our ISO-certified facility in Vadodara, Gujarat, and returned with warranty.
What is the typical turnaround time for DUX heater repair?+
Routine DUX repairs — pilot light, thermostat, sensor replacement — take 3-5 working days. Complex faults involving heat pump diagnostics or PCB rework take 7-10 days. Synchronics maintains stock of common DUX replacement parts to minimise delay. We offer Express Same-City service for critical hospitality and food processing clients.
Can you repair DUX instantaneous heaters with weak heating or no hot water?+
Absolutely. Weak heating in DUX instantaneous heaters is usually caused by low gas pressure, blocked burner ports, scale-restricted heat exchanger, or faulty modulating control valves. Synchronics performs full combustion analysis, descales the heat exchanger, tests gas regulator output, and recalibrates the modulating valve. We confirm full heating capacity and safety shutoff function before return.
Does Synchronics have DUX spare parts in stock?+
Yes. Synchronics stocks genuine and compatible replacement parts for DUX — heating elements, thermostats, control boards, pressure relief valves, sensors, and electronic modules. We source OEM parts through authorised Indian distributors and maintain critical stock items to support quick repair turnaround. Custom lead times available for obsolete or long-delivery components.
What warranty do you provide on DUX repairs?+
Synchronics provides 12 months' comprehensive warranty on all DUX repair work including parts and labour. Extended 24-month warranty is available for critical equipment in food processing and hospitality. Warranty covers component failure and functional defects but excludes damage from power surges, chemical contamination, or improper installation. Warranty is valid only when genuine or approved replacement parts are used.
How do I send my DUX unit for repair?+
Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.
What is the cost of repairing a DUX drive or PLC?+
Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.
What warranty do you provide on DUX repairs?+
All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.
Do you provide a no-fix, no-fee guarantee?+
Yes. If we cannot repair your DUX unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.
DUX Repair Catalog
No products found for DUX
Don't See Your DUX Model Listed?
We repair the full range of DUX industrial electronics — even if the specific model is not yet in our catalog. Send us the unit details and we'll confirm repairability within 24 hours.
Free evaluation • 6-month warranty • PAN India pickup
Get Your Equipment
Back in Action — Fast
Send us your faulty industrial electronics. Our engineers will diagnose it and provide a detailed quote within 24 hours — with no obligation to proceed.
Free Evaluation
No obligation
48hr Turnaround
Fastest in India
6-Month Warranty
Every repair
No Fix, No Charge
Zero risk policy
Pan-India Pickup
Doorstep service