Commercial Warewasher & Industrial Glasswasher Repairs
Expert commercial warewasher and industrial glasswasher repair for restaurants, bars, and hospitality venues. Book same-day appointments (subject to availability) and enjoy upfront pricing with no hidden costs – first 30 minutes of labour included in service fee.

Key Takeaways
- Commercial warewashers and glasswashers require specialist knowledge of high-pressure water systems, chemical dispensing, and hygiene compliance; our technicians are qualified across all premium brands.
- Warewasher and glasswasher faults, from wash quality issues to water system failures, directly impact service speed, glassware quality, and hygiene standards; professional diagnosis prevents operational delays and safety risks.
- Same-day appointments are often available (subject to availability), with most repairs completed within hours if stock parts are on hand, minimising operational downtime.
- A 12-month parts warranty and 3-month labour warranty protect your investment and ensure reliable, lasting repairs for critical dishwashing equipment.
- Whether your issue is a faulty pump, spray arm blockage, or control failure, professional repair is safer and more reliable than attempting fixes yourself on high-pressure equipment.
SIGNS YOU NEED TO BOOK A CALL WITH US
Signs You Need Commercial Warewasher Repair
If your commercial warewasher or glasswasher is showing any of these warning signs, it’s time to call a professional.
- Not rinsing properly or spots on glassware
- Wash cycle taking longer than normal
- Spray arms not rotating or blocked
- Control panel or buttons not responding
- Drain blockage or slow drainage
- Poor wash quality or residue remaining
- Water not heating to correct temperature
- Water leaking from machine
- Pump motor not running
- Unusual noises or grinding sounds

How It Works
Our Commercial Warewasher Repair Process
BOOK YOUR APPOINTMENT
Contact us at 1300-434-380. We’ll note your problem, confirm availability, and schedule a time that suits you.
ARRIVAL & ASSESSMENT
Your technician inspects the appliance thoroughly. If we have the part in stock, you get an instant quote. Otherwise, we’ll send a detailed written quote after assessment.
APPROVAL
For in-stock parts, your technician explains costs and gets approval on the spot. For sourced parts, you receive a full quote. Approve and we order parts with no extra service call fee.
REPAIR
We use genuine or manufacturer-recommended parts and approved repair methods. Most repairs completed same-day when parts are available. No additional call-out charge for second visits.
TESTING & HANDOVER
Your technician demonstrates the repair, answers questions, and provides a detailed invoice with warranty details.
Why Choose us?
Why Choose National Appliance Repairs for Your Commercial Warewasher?
National Appliance Repairs is Australia's trusted partner for appliance repair services. With over 15 years of industry experience, we've built our reputation on honest pricing, rapid response times, and lasting solutions.

Same-Day Service*
*(Subject to availability)
No long waits. We schedule repairs for your convenience, often on the same day you call.
12-Month Parts + 3-Month Labor Warranty
Every repair backed by our comprehensive warranty – 12 months on part, 3 months on labour.
Australia-Wide Service
We service Melbourne, Sydney, Brisbane, Adelaide, and Perth. Not sure if we can reach you? Give us a call to check!
All Domestic & Commercial Brands
We service major domestic and commercial kitchen and laundry appliance brands and models.
Upfront Pricing
We provide clear, upfront pricing before any work begins. Service call rates vary by appliance type and brand, with labour and parts quoted and approved before we proceed.
Fully Qualified Technicians
All our fully qualified, in-house trained technicians carry genuine, high-turnover parts for major brands in their vans.
Repair or Replace – We Handle Both
If replacement is the best option, we supply, install and remove your appliance, so you get a seamless, hassle-free experience.
Authorised Service Agents
We’re authorised service agents for 30+ major appliance brands. Every repair follows manufacturer-recommended processes and standards, regardless of brand.
Client Testimonials
Thousands of Australian families trust National Appliance Repairs. Here's why.
Problems
Common Commercial Warewasher Problems We Fix
Commercial warewasher and glasswasher problems are diverse, but our technicians have expertise across all common issues. Below are the problems we repair most frequently.
Common Causes:
- Faulty wash pump or motor failure
- Spray arm nozzle clogged or damaged
- Water inlet valve malfunction
- Heater element failure
- Faulty thermostat or temperature sensor
- Drain pump failure or blockage
- Solenoid valve malfunction
- Control board electrical failure
- Faulty rinse aid dispenser
- Plumbing line blockage
Symptoms:
- Dishes or glasses not clean or spots remaining
- Rinse aid not dispensing properly
- Water temperature too low for proper cleaning
- Cycle time longer than programmed
- Water leaking during cycle or underneath
- Spray arms not rotating or weak water spray
- Pump running but insufficient water pressure
- Machine won't start or stops mid-cycle
- Loud grinding or squealing noise
- Drain slow or backing up

Brands
Commercial Warewasher Brands We Service
Our in-house trained technicians are qualified to repair all major commercial warewasher brands across a wide range of models and configurations.

What we repair
Commercial Warewasher Types We Service
We repair all commercial warewasher and glasswasher types with the same expertise and care.
Under-Counter Warewashers
Compact machines for small venues and prep areas. We repair wash pump failures, spray arm issues, water line problems, control failures, and heating faults.
Door-Type Warewashers
Large basket machines for high-volume dishwashing. We fix water system issues, pump failures, spray arm problems, heating element failures, and control malfunctions.
Industrial Glasswashers
Specialised rapid washers for glasses and stemware. We repair spray arm failures, water system issues, gentle wash control problems, drain failures, and quick-dry systems.
FAQS
Commercial Warewasher Repair Questions
Can you repair my commercial warewasher if it's still under warranty?
Yes, if you provide a manufacturer work order authorising the repair. Without one, we can still repair it on a chargeable basis without voiding your warranty.
How much does a commercial warewasher repair typically cost?
It depends on the issue. Pump or valve repair is low-cost; motor replacement or a system overhaul costs more. Call 1300-434-380 for a free phone quote.
Can you fix my commercial warewasher today?
Usually, yes, if parts are in stock. Call 1300-434-380 and we’ll confirm same-day or next-day availability.
Should I repair or replace my commercial warewasher?
It depends on the equipment’s age, repair cost, and breakdown frequency. Our technicians give an honest recommendation on inspection.
Why does my commercial warewasher need a professional?
Can’t I fix it myself? DIY repairs risk scalding, electrical shock, and water damage on high-pressure equipment. Professional repair ensures safety and proper calibration.
Our Services
Related Services
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