Get The Best Price Guaranteed On Rinnai Hot Water.

Stuck with no hot water? Thinking about a new Rinnai system? Call John now on 0410 693 532 for fast Rheem hot water service, installation, repairs, replacement and sales across Sydney. Servicing the North Shore, Southern Suburbs, Eastern Suburbs, and Western Suburbs.

  • Authorised Rinnai service agents
  • Same-day hot water help *
  • We’ll beat any genuine Rinnai quote
  • Solar, electric, gas & continuous flow systems
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Why Choose Us For Rinnai Hot Water?

You deal directly with John (the owner) who works on Rinnai hot water systems every day and personally looks after your job from start to finish, so you get:

  • Qualified plumbers who specialise in hot water only
  • Authorised Rinnai service agents
  • Local family business, not a franchise
  • Honest advice on repair vs replace
  • We clean up and take away your old system

Services We Offer

Rinnai Hot Water Repairs

No hot water? Leaking tank? Pilot light gone out? We diagnose most Rinnai faults over the phone and arrive with the right parts to get you back in hot water fast.

  • Same-day Rinnai repairs where possible
  • Solar, gas, electric and heat pump systems
  • We work on both old and new Rinnai models

Rinnai Installation & Replacement

Old system on its last legs or beyond repair? We’ll help you choose the right Rinnai system size and type for your home, then handle the full change-over:

  • Supply and install your new Rinnai system
  • Remove and recycle your old heater
  • Set up tempering valves and safety valves as needed

Rinnai Service & Maintenance

Regular servicing can extend the life of your Rinnai and help prevent sudden breakdowns. Book a Rinnai hot water service and keep your system running at its best.

  • Anode checks and replacement
  • Valve checks and safety testing
  • System inspection for leaks, rust and wear

How It Works – Fast & Simple

1. Get in Touch

Call John on 0410 693 532 and discuss your problem, or what you’re thinking of installing.

2. Phone Diagnosis & Best Price

John asks a few quick questions, then recommends the best Rinnai options, and give you our best price guaranteed.

3. Same-Day Repair or Install *

We arrive on time, fix or replace your Rinnai system, take away the old unit and leave the area tidy.

Popular Rinnai Hot Water Systems We Supply & Install

We work with Rinnai hot water systems every day. From small units for flats to big family systems, we can help you choose the right Rinnai model for your home, budget and energy bills.

Rinnai HotFlo Electric Hot Water System – 80 litre

Designed to provide consistent performance throughout the year, it is an ideal solution for small households seeking reliable electric hot water with flexible installation options.

Rinnai HotFlo Electric Hot Water System – 125 litre

Designed to comfortably service homes with 3 to 4 people, it is well suited to family bathrooms and higher daily hot water demand.

Rinnai HotFlo Electric Hot Water System – 160 litre

Designed to comfortably service homes with 3 to 4 people, it is well suited to family bathrooms and higher daily hot water demand.

Rinnai HotFlo Electric Hot Water System – 250 litre

Australian manufactured and built for performance, it delivers generous hot water capacity without loss of pressure, making it ideal for families with higher daily hot water usage.

Rinnai HotFlo Electric Hot Water System – 315 litre

With a generous 315 litre storage capacity, the HotFlo 315L comfortably services households of 6 to 7 people. Each system is thermostatically controlled and includes an automatic safety temperature shut-off for added peace of mind.

Rinnai HotFlo Electric Hot Water System – 400 litre

The HotFlo 400 litre electric hot water storage system is the largest capacity model in the HotFlo range, designed to deliver powerful and consistent hot water for Australia’s largest households.

Rinnai Enviroflo Heat Pump – 280 litre

Backed by a 7-year cylinder warranty from Rinnai, the Enviroflo GR Series integrated electric heat pump hot water systems deliver efficient and dependable performance for Australian homes.

Rinnai Enviroflo Heat Pump – 300 litre

Engineered for Australian conditions, these heat pumps are designed to perform reliably in demanding environments and can handle water pressures of up to 1000 kPa.

Not sure which Rinnai system is right for you?

Skip the guesswork and confusing price tables. Call John (the owner) on 0410 693 532 and get clear advice on which Rinnai model suits your home, an honest opinion on whether to repair or replace, and his best price guaranteed on Rinnai supply and install.

Frequently Asked Questions

Yes. We work on all Rinnai hot water systems – electric, gas, solar and heat pump. John deals with common models like Rheem 315L, 250L, 125L, 26 and 27 every day, plus many older units.

Yes. We are authorised Rinnai service agents, which means we’re trained and approved to repair and install Rinnai systems and use genuine Rinnai parts where required.

If your Rheem unit can be safely and sensibly repaired, John will tell you. If it’s rusted out, leaking badly or near the end of its life, he’ll explain why a replacement is better and give you clear options.

Absolutely. John will ask how many people live in your home, when you use hot water and what you want to spend. Then he’ll suggest the best Rinnai system for your home and budget, in plain language.

Yes. We can supply and install new Rinnai hot water systems, remove your old unit and set everything up so it’s safe, legal and ready to go.

Yes. If you’ve had a quote on a Rinnai hot water system, call John and tell him what you’ve been quoted. We aim to beat any genuine written quote on the same Rinnai product and installation.

In many cases we can offer same-day service for Rinnai repairs and replacements, depending on stock and booking times. When you call, John will tell you the next available time and what’s possible.

If you can, have the model number, energy type (gas, electric, solar, heat pump) and a quick description of the problem (no hot water, leaking, pilot light out, etc.). If you can’t find it, don’t stress – John will help you work it out over the phone.

“Would just like to thank John at Cheapa Hot Water for his speed response, honest pricing and Andrew the plumber who came out to our house and fitted a hot water heater. Fantastic job quick honest and reliable. Good price.”

Hariette G. Rated Us

“My hot water broke and that Fast within a few hours I had someone do a quote and repair it on the spot. They arranged a time to pop by and came on the dot. So super efficient and was so much cheaper than I was expecting.”

Jeanice C. Rated Us

“Prompt; efficient and reliable service. Called in the morning; arrived that morning and problem solved and fixed that morning at a highly competitive price. Will use again should my hot water heater require the visit.”

Gavin I. Rated Us

Authorised Rinnai Service Agents In Your Area

Want Our Best Price on Rinnai Hot Water?

Call us on 0410 693 532 between 7am and 5pm Monday to Saturday to speak with John, or request a callback with our online form. We’ll talk you through your options and get you sorted fast.