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The Rinnai tankless water heater is a more efficient way to heat water. The Rinnai is a tankless water heater that heats water quickly and delivers an endless supply of hot water for as long as you need it. With the Rinnai tankless water heater, you only pay to heat water when you need it and for as long as you want it.

Rinnai Indoor Residential

Download Installation Guide

New model replacing R2520ffu-N (R53i)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 150,000

Flow rate: 0.6 to 6.3 GPM

Natural Gas indoor water heater

New model replacing R2520ffu-P (R53i)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 150,000

Flow rate: 0.6 to 6.3 GPM

LP or Propane Gas indoor water heater

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 7.5 GPM

Natural Gas indoor water heater

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 7.5 GPM

LP or Propane Gas indoor water heater

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 199,000

Flow rate: 0.6 to 9.4 GPM

Natural Gas indoor water heater

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 190,000

Flow rate: 0.6 to 9.4 GPM

LP or Propane Gas indoor water heater

2532FFU-N (R85i)

Limited number available. Call 903.729.7300 before ordering

See R75LS or R94LS Series for new models

This larger unit is the most popular model

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 8.5 GPM

Natural Gas residential indoor water heater

2532FFU-P (R85i)

Limited number available. Call 903.729.7300 before ordering

See R75LS or R94LS Series for new models

This larger unit is the most popular model

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 8.5 GPM

Propane/LP Gas residential indoor water heater

3237FFU-N (R98i)

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models

The perfect solution for larger homes with spa tubs, body sprays, and other high-end hot water demands

BTU/hour input: 19,000 to 237,000

Flow rate: 0.9 to 9.8 GPM

Natural Gas residential indoor water heater

3237FFU-P (R98i)

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models

The perfect solution for larger homes with spa tubs, body sprays, and other high-end hot water demands

BTU/hour input: 19,000 to 237,000

Flow rate: 0.9 to 9.8 GPM

Propane/LP Gas residential indoor water heater

Rinnai Outdoor Residential

Download Installation Guide

Pl ease Note: No venting necessary for exterior(outdoor) water heaters!

New model replacing R2020w-N (R53e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 150,000

Flow rate: 0.6 to 6.3 GPM

Natural Gas outdoor water heater

New model replacing R2020w-P (R53e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 150,000

Flow rate: 0.6 to 6.3 GPM

LP or Propane Gas outdoor water heater

New model replacing R2526w-N (R70e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 7.5 GPM

Natural Gas outdoor water heater

New model replacing R2526w-P (R70e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 180,000

Flow rate: 0.6 to 7.5 GPM

LP or Propane Gas outdoor water heater

New model replacing R2532w-N (R85e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 199,000

Flow rate: 0.6 to 9.4 GPM

Natural Gas indoor water heater

New model replacing R2532w-P (R85e)

Whole House Residential or Commercial Water Heating Solution

BTU/hour input: 15,000 to 199,000

Flow rate: 0.6 to 9.4 GPM

LP or Propane Gas indoor water heater

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models
This larger unit is the most popular model
BTU/hour input: 15,000 to 199,000
Flow rate: 0.6 to 8.5 GPM
Natural Gas residential outdoor water heater

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models
This larger unit is the most popular model
BTU/hour input: 15,000 to 199,000
Flow rate: 0.6 to 8.5 GPM
Propane/LP Gas residential outdoor water heater

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models

The perfect solution for larger homes with spa tubs, body sprays, and other high-end hot water demands

BTU/hour input: 19,000 to 237,000

Flow rate: 0.9 to 9.8 GPM

Natural Gas residential outdoor water heater

Limited number available. Call 903.729.7300 before ordering

See 94LS Series for new models

The perfect solution for larger homes with spa tubs, body sprays, and other high-end hot water demands

BTU/hour input: 19,000 to 237,000

Flow rate: 0.9 to 9.8 GPM

Propane/LP Gas residential outdoor water heater

Accessories and Venting

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