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Rinnai Error Code 58

What Does a Rinnai Error Code 58 Mean?

If a Rinnai error code 58 is flashing on your digital monitor, this indicates a scale build-up inside the secondary heat exchanger. This will cause a fault with the secondary heat exchanger sensor within the unit.

Some of the Rinnai tankless hot water heater models have a secondary heat exchanger installed. The purpose of a secondary heat exchanger is to pre-heat your water using heat from the exhaust gases. These hot water heater models are extremely energy efficient.

Rinnai Hot Water Error Code 58 Troubleshooting

Unless the fault code 58 is showing in error, you will need to book the services of a fully qualified professional to rectify the Rinnai error code 58.

If you turn the hot water tap on and off as well as pushing the on/off button on your status monitor, this may clear the fault code 58 if it was showing in error. If the code remains, or is removed but then returns again, then a service call will be required to resolve the issue.

Rinnai Error Code Repairs

If you call a Rinnai expert from Jim’s Plumbing we can rectify your hot water error code 58 with minimal fuss. Our fully qualified plumbers are the Rinnai hot water heater specialists and we know all there is to know about repairing any fault code that may be flashing on your system’s, digital monitor.

To rectify the Rinnai hot water fault code 58, your attending plumber from Jim’s Plumbing will check the system for any loose or damaged connections from the secondary heat exchanger sensor back to the PC board. If no damaged connections are found, the next step will be to flush the system and remove the scale build-up.

This occurrence can be common when hard water is used. Hard water needs to be treated to prevent scale build-up within your hot water heater. You should never attempt any DIY repairs on your Rinnai continuous flow hot water heater if you are unqualified to do so.

High voltage wiring and gas connections are not something that should be taken lightly and the last thing that you want to do is risk your appliance warranty – not to mention the safety of your home, yourself and your family.

Rinnai Hot Water Quality Plumbing

Leave the repairs to the experts and trust that the Rinnai error code 58 will be resolved in a prompt manner at an affordable cost. We come to your property any time of the day or night and provide a same day service – or within the hour* in a gas or plumbing emergency. With Jim’s Plumbing you know you will always get:

  • 24/7 availability
  • Service within an hour*
  • Fully qualified and licensed plumbers
  • 12 month warranty
  • $0 deposit, interest free options**
  • Fully stocked van
  • $20 million public liability insurance Over 15 years’ experience

You’ll be happy to know we also offer interest free terms** on all our jobs, big or small. There’s no deposit and no interest at all. Enquire with your plumber on site for more information or to sign up.

If you need a plumber on a weekend or public holiday then call Jim’s Plumbing – we’re here for you 24/7 and just a call away.

1300 133 509

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Comments & Testimonials

What people are saying about us

Leak Fixed!

I had an issue with water leaking under the sink, had water dripping from a cold water flexi hose. Rang Jim's Plumbing and Cameron arrived within 20 minutes. He thoroughly investigated where the leak was coming from, was very friendly and explained what to do if there were any more issues. Very happy with the quick service provided.
Cathy, SA 5 stars rating

Thank you for my dishwasher

Trent installed my new dishwasher here in Bundoora. He did an excellent job and even started my new dishwasher so it is ready to use. He was polite, neat and tidy. Thank you.
Irene, VIC 5 stars rating

So quick!

Jayden was sent to fix my washing machine taps. He was polite and friendly, and explained what needed to be done. It was a bit more expensive than I expected, but from my call for service to the job being completed was only two hours. I would definitely recommend!
Laura M., VIC 5 stars rating
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