Rinnai RL75iN Interior Natural Gas Tankless Water Heater 7.5 GPM

Rinnai R75iN is a solidly built tankless heater that delivers water constantly around the home. It has a capacity to deliver 7.5 gallons of hot water, which makes it suitable for 2 showers and 1 sink in a home. Mount your heater in any room with the vent towards the outside on the wall or roof and you’ll never worry about scheduling water for mornings or evenings. Keep reading our TopTenWater.com evaluation of this Rinnai tankless water heater for more details.

Description

Rinnai R75iN is a solidly built tankless heater that delivers water constantly around the home. It has a capacity to deliver 7.5 gallons of hot water, which makes it suitable for 2 showers and 1 sink in a home. Mount your heater in any room with the vent towards the outside on the wall or roof and you’ll never worry about scheduling water for mornings or evenings. Keep reading our TopTenWater.com evaluation of this Rinnai tankless water heater for more details.

Don’t worry where you mount the gas-operated RL75iN. Being compact, you can install it in any room with the vent directly facing outside. The heater comes with wall mounting hardware, isolation valve, pressure relief valve, and a digital controller. The Rinnai RL75iN is an Energy-Star qualified heater, which was designed with efficiency in mind. The heater comes with a built-in temperature system which regulates the heat exchange and ensures hot water is delivered much faster. In addition, the heater uses less power so you’ll have little to worry about energy consumption.

Like other models in the series, the Rinnai RL75iN is an ecofriendly unit which requires no extra technicalities to eradicate greenhouse gases. It’s not only GSA Approved, but fully meets both California and Texas NOx Emissions Standards. Rinnai RL75iN is a compact unit that is both easy to install and takes up less space in a home. The heater can fit almost anywhere you want to mount it.

  • Temperature/heat lock not only controls the temperature but prevents accidental or unintended change of water temperature while the RL75IN is running.
  • Enhanced scale detection (digital meter) gives users updates of wear and tear and ensures the unit operates safely, thus, minimizing the possibility of replacement while prolonging its usage.
  • Delivers 7.5 gallons of hot water per minute to multiple fixtures at a temperature of40°F
GOODBAD
Compact designWater temperature is flow dependent
Reliable supply of hot waterNo assurance of warranty for online purchase
Highly efficientHighly sensitive and can break down
Low operational costComplicated to service

Features

  • Indoor installation only
  • 82% thermal efficiency
  • Natural gas/propane fuel
  • Energy Star qualified
  • Pre-set at 120°F
  • Electronic ignition
  • 180,000 maximum BTU
  • 22.9″ H x 14″ W x9.6″ D
EmissionsLow
Minimum BTUs10,300
Maximum BTUs180,000
Water Connection3/4″
MultilinkYes
Water Connection LocationBottom
VoltageAC 120V
Flow Rate6.5
UEF0.81
Remote ControlYes
LEED Rating0.90
Heat ExchangerCopper
ENERGY STAR® QualifiedYes
TechnologyNon-Condensing
Height22.9″
Width14″
Vent TypeDirect Vent
Product Weight50lbs.
Depth9.6″
Vent size5″

Our thorough examination of the Rinnai RL75iN at TopTenWater.com confirms what most customers feel about this unit. It’s sturdy, reliable, and gets the job done right. Though not foolproof, The RL75iN rarely fails and doesn’t require regular maintenance. The heater also gives users the option to install a recirculation pump for instant hot water. Rinnai RL75iN costs a bit more than standard models but comes with an extra gallon of water. The pricing notwithstanding, it’s a great product that ensures you and the family have hot water throughout. If you spread out the cost of purchase and installation over a decade, you will see its almost negligible considering the convenience and reliability that it offers.

Most customers concur that the RL75iN is a trouble-free water heater that does a fantastic job of providing a continuous supply of hot water. They were equally happy with the simple temperature adjustments and the energy efficiency of their heaters. From heating water for dishwashers to running showers, the RL75iN did a fantastic job. Overall, the Rinnai RL75iN tankless water is a user-friendly unit that guarantees a reliable supply of water and energy savings in the long term. We highly recommend this heater for homes with multiple fixtures and families of 5-6 that are always in need of hot water supply.

Some customers were annoyed by the fact that they had to remove and clean burners up to three times in one year. Others reported that their heat exchangers were leaking. Repairing the tankless heater was a problem for some because of its complexity and inadequacy of warranties.

Customers were delighted because Rinnai RL75iN provided them with enough water to run their dishwashers, clothing machines, and to take hot showers. Some loved the consistency, heating efficiency, and reliability of their units. Others said they found their heaters were much cheaper to operate than electric tank style heaters.

For some customers, the benefits of endless hot water do not outweigh the cost of buying the heater and installing it. Some customers were bothered by how much water they have to waste before hot water reaches other fixtures. Still, others reported that the preset temperature of 120 degrees only reaches to 114 so it was unable to make water hot enough for their dishwashers.

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