Instant Hot Water Systems Adelaide

Q: How do instant hot water systems work?

Also known as continuous-flow systems, they heat water on demand rather than storing it — providing endless hot water while saving energy.

Q: Why is my instant hot water going cold mid-shower?

Fluctuating temperature is usually caused by a faulty flow sensor or gas regulator. We can service Rinnai Infinity, Bosch, and Rheem Metro units to restore steady heat.

Q: Are instant systems cheaper to run?

Yes — you only heat what you use. Most achieve 5–6-star gas efficiency, making them perfect for Adelaide homes.

Q: Can I replace my old tank with an instant unit?

Yes — we’ll remove the old system and fit a wall-mounted Rinnai or Bosch continuous-flow system same day.

Q: Do you service all brands of instant hot water?

We repair and install Rheem, Rinnai, Bosch, and Thermann instant systems across Adelaide.

Endless Hot Water On Demand!

Same-Day Repairs, Replacements & Installations

No one likes running out of hot water — especially in the middle of a shower!

At Loyal Plumbing, we specialise in instant and continuous flow hot water system repairs across Adelaide, restoring your hot water fast and efficiently.

Our licensed plumbers are experienced with all leading brands, including Rinnai, Rheem, Bosch, Thermann, and Dux.

We’re South Aussie family-owned and operated, providing fast, professional service to homeowners throughout Adelaide, including Craigmore, Salisbury, Gawler, Golden Grove, Mawson Lakes, Prospect, Norwood, and Glenelg.

$180 CASH
BACK*

On All New
Replacement Units

Click Here to book

New Instant Hot Water Installations & Replacements

Want to upgrade to a continuous flow hot water system? These units heat water only when you need it — no storage tank, no wasted energy, and no running out mid-shower.

We supply and install all major instant systems from top brands such as Rinnai Infinity, Rheem Metro, and Bosch Compact.

Common Instant Hot Water Problems We Fix

Water fluctuates between hot and cold — Clogged filters, failing temperature sensor, or incorrect pressure balance.
No hot water at all — Gas or power supply issue, ignition fault, or water flow sensor failure.
System won’t ignite or display lights — Electrical fault or circuit board issue
Leaking from unit or pipe fittings — Loose connections or internal seal failure.
Loud clicking or ignition noise — Burner blockage or debris in combustion chamber.
Error code flashing on display — Each code signals a specific fault — our technicians diagnose and repair on the spot.

If you’re seeing any of these problems, call Loyal Plumbing for same-day service — we’ll get your system running like new again.

Brands We Trust:

Why Choose Loyal Plumbing

Honest Quotes, Fast Response, and Work Guaranteed for Life.

No Obligation Free Quotes

Get honest advice and upfront pricing — no pressure, no pushy sales.

Same Day Service Guarantee

Plumbing emergency? We’ll be there today — not tomorrow.

Transparent Fixed Price Quotes for All Hours – No Surprises

No call-out tricks, weekend fees, or hidden extras. Just honest pricing.

Lifetime Workmanship Guarantee

We stand by our work — for life. If it’s not right, we’ll fix it.

Arrive on time, every time.

Punctual, reliable, and ready to go! We respect your time.

Loyal Plumbing Service Guarantee

Service that earns loyalty, guaranteed!. It’s more than a slogan. It’s how we pride ourselves

Pensioner/Seniors Discount

Proud to support our community with discounted rates for seniors.

Buy now pay later – Brighte

Get the job done now without the scary upfront costs. Flexible, interest-free payments through Brighte.

$49 Off*

Your First
Service

Click Here to book

Why Adelaide Homeowners Choose Gas Hot Water

Gas systems are known for their speed, efficiency, and reliability — perfect for families that use lots of hot water.

Benefits include:

Gas Hot Water Brands We Service

We service and install every major brand trusted by Adelaide homeowners:

Our team can also replace older systems like Everhot or Edwards with the latest energy-efficient models built for Adelaide conditions.

What our customers say

    
 
 
      Posted on Google  
   
   Emma O 
 13 October 2026
 
 
 Trustindex verifies that the original source of the review is Google. Had our pipe relined with Cameron and Alex. Spoke to Cameron on the phone Monday and had the pipe done by Tuesday. They were reasonably priced, reliable and very easy going. Explained everything well and very considerate of noise with a newborn baby. Best plumbing experience I’ve ever had, definitely recommend
  
 
     Posted on Google  
   
   Ben Ragless 
 7 October 2026
 
 
 Trustindex verifies that the original source of the review is Google. Alex and his whole team are fantastic to deal with!
  
 
     Posted on Google  
   
   James Fitzgerald 
 18 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Late minute call due to contractors cutting our pipe. No issues or stress at all as they accommodated our needs and were awesome. 100% recommend.
  
 
     Posted on Google  
   
   Nic Raspa 
 17 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. WOOOW!!,SUPER GUYS, PERFECT, SIMPLY THE ABSOLUTE VERY BEST, 5 GOLDEN STARS, THANKYOU SO MUCH FOR YOUR ABSOLUTE BRILLIANT TOP 1ST CLASS PROFESSIONAL FRIENDLY SERVICE FROM THE PHONE CALL TO THE OFFICE TO THE GUYS ON DUTY. SIMPLY BRILLIANT, AMAZING WORK FROM ALL, I'VE BOOKED THEM IN TO DO MORE WORK AND MAKE MY HOME LOOK AND FEEL LIKE GRACELAND!!. LOVE IT!!. THANKYOU TO ALL. 🙏 YOUR SIMPLY THE BEST!!.CHEERS, NIC.
  
 
     Posted on Google  
   
   David Healey 
 10 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. An excellent job
  
 
     Posted on Google  
   
   Catherine Mackenroth 
 21 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Outstanding service from the whole team. From booking, to showing up on time and friendly service. Thanks so much! Will definately be calling Loyal Plumbing again for any future work needed.
  
 
     Posted on Google  
   
   Kyle McMillan 
 20 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Very responsive and punctual, easy to deal with, explained what they were going to do and offered a fixed price before starting any work. Reasonably priced and did a great job
  
 
     Posted on Google  
   
   L Brooker 
 18 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. We've had Loyal Plumbing do multiple jobs during our house renovation, and they have been fantastic. They always do efficient and tidy work. The staff are friendly and happy to explain the options and recommendations when quoting the job.
We definitely recommend booking them for all your plumbing services. 🙂
  
 
     Posted on Google  
   
   Rhianna Woodbury 
 16 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Sabien, Clint and Cameron did a wonderful job fixing and relining my drain. They kept me informed every step of the way. Would definitely recommend!
  
 
     Posted on Google  
   
   Vornn Rin 
 14 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Friendly helpful staff and got the job done quick and professionally. Very well priced compared to other quotes. Highly recommended. Thanks guys👍

Instant Hot Water Systems FAQs

Got questions? We’ve got answers — here’s everything you need to know before booking.

How do instant hot water systems work?

Also known as continuous-flow systems, they heat water on demand rather than storing it — providing endless hot water while saving energy.

Why is my instant hot water going cold mid-shower?

Fluctuating temperature is usually caused by a faulty flow sensor or gas regulator. We can service Rinnai Infinity, Bosch, and Rheem Metro units to restore steady heat.

Are instant systems cheaper to run?

Yes — you only heat what you use. Most achieve 5–6-star gas efficiency, making them perfect for Adelaide homes.

Do instant systems need maintenance?

Annual servicing ensures burners and sensors stay clean for reliable performance and safe ignition.

Can I replace my old tank with an instant unit?

Yes — we’ll remove the old system and fit a wall-mounted Rinnai or Bosch continuous-flow system same day.

Do you service all brands of instant hot water?

We repair and install Rheem, Rinnai, Bosch, and Thermann instant systems across Adelaide.

Book a Plumber For Hot Water Today

Need instant hot water repairs or installation in Adelaide?

Call Loyal Plumbing Adelaide on 1300 156 925 for same-day service, honest pricing, and guaranteed workmanship.

Service That Earns Loyalty, Guaranteed!