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Rinnai hot water Sunshine Coast

$0 call-out · Fixed price · 24/7 hot water

Celsius Hot Water repairs, replaces and installs Rinnai hot water systems across the Sunshine Coast and Noosa. Rinnai is best known for gas continuous flow systems, and also makes gas storage, heat pump and solar hot water systems. Many Sunshine Coast homes on gas or LPG run a Rinnai continuous flow unit.

Rinnai hot water installation Sunshine Coast

We supply and install new Rinnai systems for replacements, new builds, renovations and upgrades, sized to your household and set up to meet Queensland plumbing rules.

Rinnai hot water repairs Sunshine Coast

We diagnose and repair common Rinnai faults, including elements, thermostats, relief and tempering valves, ignition and pilot faults, heat pump fans and sensors, and error codes on continuous flow units. If your Rinnai is still under manufacturer warranty, the manufacturer may need to arrange the repair, and we'll tell you before doing any work.

Rinnai hot water replacement Sunshine Coast

When a Rinnai system has failed or is near the end of its life, we replace it like for like with a current Rinnai model, or with another brand if that suits you better. Most replacements are done the same day for a fixed price.

Not sure which Rinnai model you have?

That's fine. Just tell us roughly what you have when you call or request a quote. We'll confirm the model on site and make sure the right parts or replacement are on hand.

Common questions

Do you repair Rinnai hot water systems on the Sunshine Coast?

Yes. We repair Rinnai electric, gas, heat pump and continuous flow systems across the Sunshine Coast and Noosa, with no call-out fee and a fixed price before work starts.

Can you replace my Rinnai with a different brand?

Yes. We can replace like for like or fit a different brand or type of system, and we'll explain the options and prices.

Is my Rinnai hot water system still under warranty?

Check the compliance label for the manufacture date and your Rinnai warranty terms. If it's still under manufacturer warranty, the manufacturer may need to arrange repairs, and we'll tell you before starting.

Other brands we service

Last updated 11 November 2026 · Reviewed by a QBCC licensed plumber (licence 15556725)

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  • Same-day replacement on most systems
  • $0 call-out fee
  • Fixed price quoted before work starts
  • QBCC licensed plumber and gasfitter
  • Lifetime workmanship warranty

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