Plumbing, Heating and Pool Repair Guides

Rinnai R53I Tankless Water Heater


WeT HeaD KnowledgeNow is the time to replace that old water heater with a new technologically advanced Rinnai Tankless Water Heater. Rinnai Tankless Water Heaters offer an energy saving costs of 30% or more. Other types of water heaters can cost you money but Rinnai can actually save you money.

Their water heaters offer an automatic shut off when the water supply is not operating. This will give the homeowner or business owner a huge amount of savings. The Rinnai Water heaters are tankless so they are more compact and they can be installed from anywhere from the laundry room to the garage. What makes Rinnai one of the best in the industry is that with a normal water heater you may be able to take two or three showers back to back before the hot water runs out but with Rinnai you can take endless showers back to back without losing a drop of hot water. The Rinnai R53I is one of the best in the Rinnai inventory. If you are considering changing your out dated water heater, then read on and find out what the Rinnai R53I can offer you.

The Rinnai R53I Water Heater is a temperature controlled gas water heater system that offers continuous hot water flow. This water heater can be used with or without a remote control device and can be installed in any kitchen, bathroom or basement. There are many installation options when it comes to the R53I. The Exhaust System offers a Direct venting System as well as a Forced Combustion System. The R53I has a high efficiency rating and has a minimum gas input of 15,000 and a maximum of 180,000 when used with either Natural Gas or Propane. You may be surprised to find that the electrical consumption of the Rinnai R53I is lower than you may have thought. The water heater uses an AC 120 Volt, 60 HZ systems and has a normal consumption of 75 watts and when it is on stand by it uses 5.5 wattage and in Anti Frost Protection Mode it uses 100 watts just like a light bulb.

The Rinnai R53I offers a direct electronic ignition and it has a hot water capacity of 0.6 to 5.6 gallons per minute with a 50-degree rise. The normal temperature range of the R53I is 98 degrees to 140 degrees Fahrenheit, these temps are based on usage with the remote control and without the remote control it is recommended that it be set at 120 degrees Fahrenheit. You can use either Natural Gas or Propane. The unit is strictly and installation. The R53I has a natural gas efficiency rating of 82% and a thermal efficiency rating of 84%. The minimum water supply pressure is 20 PSI and the maximum is 150 PSI. The Rinnai R53I is one of the best in the line of tankless water heaters that Rinnai has to offer. If you were thinking about tankless but you were not sure, Rinnai tankless water heaters are perfect as space saving water heaters plus they offer an endless supply of hot water, which is perfect for a large family


  1. Hello,
    i’m looking for a Rinnai Gas Fired Tankless Water Heater Dealer/Installer here in the Central Kentucky Area. Can you reccomend someone to me?

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