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Frequently Asked Questions about Rinnai products
  1. How do I obtain a Service or Owner’s Manuals for my Rinnai?
  2. Can the unit be installed outdoor, example shaft, balcony, roof, etc?
  3. What is the normal flow rate of a domestic bathroom?
  4. Can the digital controller be installed directly in the bathroom?
  5. What is the maximum distance the controller can be installed at?
  6. Where should the gas tank be installed?
  7. What are the benefits of purchasing a Rinnai gas water heater?
  8. Does the unit need a flow pump to spark and ignite?
  9. Can it be installed with a solar water heater?
  10. Can the gas water heater supply more than bathroom?
  11. What type of gas pipe needs to be used?
  1. How do I obtain a Service or Owner’s Manuals for my Rinnai?
  2. Go to Manuals & Literature to download the owner’s manual and other documents for your Rinnai product.

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  3. Can the unit be installed outdoor, example shaft, balcony, roof, etc?
  4. Yes, the external model is designed to be mounted externally. The unit is weather proof, and therefore its operation is not affected by rain or strong winds. It does not need to be covered and needs no flue.

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  5. What is the normal flow rate of a domestic bathroom?
  6. In a domestic household the flow rate is taken as 7ltrs / min.

  7. Can the digital controller be installed directly in the bathroom?
  8. Yes, the controller is totally sealed and uses an extra safety low voltage of 12V.

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  9. What is the maximum distance the controller can be installed at?
  10. The package includes a standard wire of length 20 meters, which can be cut to the desired length. The cable can also be extended to a maximum length of 50 meters.

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  11. Where should the gas tank be installed?
  12. The gas tank can be installed both close to the water heater, and also distant from the water heater. There a various gas pipes to choose from, make sure to speak to our technical staff due to the fact that the gas pipe has to be sized according to the total distance of the pipe and the gas flow required by the gas water heater.

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  13. What are the benefits of purchasing a Rinnai gas water heater?
  14. Rinnai provides the customer with a high end quality water heater, the unit uses less gas consumption when compared to other traditional gas water heaters, and this is due to the modulating gas valve which enables the burner to use the least gas possible, taking into consideration the water flow rate, input temperature and desired output temperature.

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  15. Does the unit need a flow pump to spark and ignite?
  16. No, not necessarily, almost all the units are connected to the roof tank and fed through using gravity, and this is due to the fact that the unit is equipped with a flow meter, which enables the water heater to spark and ignite once the flow rate has exceeded the 1.7ltrs /min.

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  17. Can it be installed with a solar water heater?
  18. Yes, the gas water heater can be integrated with any type or brand of solar water heater. The unit will regulate automatically the burner according to the inlet temperature, thus if the gas water heater is set to 40 deg, and the solar is heated up at 50 deg, the gas water heater will not ignite and let the water passing through freely. In the event of the solar heating up the water half way through, for example from 10 deg the solar will heat it up to 25 deg, and the water heater will be set to 40 deg, it will automatically ignite and heat up by 15 deg to 40 deg which is the desired temperature, thus consuming half the gas.

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  19. Can the gas water heater supply more than bathroom?
  20. Yes, the gas water heater can be installed as a central hot water heater providing for all hot water points throughout the household.

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  21. What type of gas pipe needs to be used?
  22. There different types of gas pipes to choose from; copper gas pipe, stainless steel gas pipe (CSST), MDPE gas pipe, flexible rubber gas hose, etc. Different gas pipes have different applications, please speak to our technical staff to ensure that the gas pipe shall be installed and sized correctly and according to local gas legislations.

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