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AO Smith
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AO Smith 0.25 GPM 18 Kilowatt 240 Volt Residential Indoor Electric Tankless Water Heater with Scale Reduction Technology

Model: R4LA-180E
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Item: bci4725802

$574.23
Finish: Gray -
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Details

Features:

  • Never run out of water again with a steady 0.25 GPM flow rate
  • Uniform Energy Factor of 0.92
  • Tankless design allows for wall-mount installation, leaving more space available for you to use
  • Self diagnostics and leak detection shutdown for added peace of mind
  • Includes user friendly digital interface for temperature control and diagnostics
  • No venting required
  • Designed for indoor use only
  • Covered under 5-year and 5-year limited commercial heat exchanger warranties
  • Covered under 1 year labor and 1 year parts manufacturer warranties

Product Technologies:

  • Dry-Fire Protection: Dry-fire protection prevents premature element failure for care-free installation
  • Scale-Reduction Technology: Dupont™ Zytel® chambers naturally resist hard water build up and extend the product life

Specifications:

  • Width: 17"
  • Height: 18-1/8"
  • Depth: 6-1/8"
  • Fuel Type: Electric
  • Water Connection: 3/4"
  • Water Pressure (Min): 15 psi
  • Water Pressure (Max): 150 psi
  • Temperature (Min): 90°F
  • Temperature (Max): 140°F
  • Voltage: 240V
  • Amperage: 75A
Additional AO Smith Links

Dimensions and Measurements

Activation GPM
0.25
Depth
6.13 in.
Height
18.13 in.
Maximum Flow Rate
0.25 GPM
Water Connection
3/4"
Water Pressure (Max)
150 PSI
Water Pressure (Min)
15 PSI
Width
17 in.

Dimensions and Measurements

Activation GPM
0.25
Depth
6.13 in.
Height
18.13 in.
Maximum Flow Rate
0.25 GPM
Water Connection
3/4"
Water Pressure (Max)
150 PSI
Water Pressure (Min)
15 PSI
Width
17 in.

Characteristics and Features

Display Type
LCD
Heating Technology
Electric Element
Indoor Installation
Yes
Number of Breakers
2
Vent Type
Vent Free

Characteristics and Features

Display Type
LCD
Heating Technology
Electric Element
Indoor Installation
Yes
Number of Breakers
2
Vent Type
Vent Free

Electrical and Operational Information

Amperage
75
Default Temperature
120 °F
Energy Factor
0.92
Fuel Type
Electric
Kilowatts
18
Temperature (Max)
140 °F
Temperature (Min)
90 °F
Voltage
240
Wattage
18000
Wire Size
8

Electrical and Operational Information

Amperage
75
Default Temperature
120 °F
Energy Factor
0.92
Fuel Type
Electric
Kilowatts
18
Temperature (Max)
140 °F
Temperature (Min)
90 °F
Voltage
240
Wattage
18000
Wire Size
8

Warranty and Product Information

Certifications
AHRI, CSA, UL
Energy Star
No
Heat Exchanger Warranty
5-Years, 5-Years Limited Commercial
Manufacturer Warranty
1 Year Labor, 1 Year Parts
Outdoor Approved
No
Product Variation
Whole House Water Heater
Title 20 Compliant
Yes
Uniform Energy Factor
0.92

Warranty and Product Information

Certifications
AHRI, CSA, UL
Energy Star
No
Heat Exchanger Warranty
5-Years, 5-Years Limited Commercial
Manufacturer Warranty
1 Year Labor, 1 Year Parts
Outdoor Approved
No
Product Variation
Whole House Water Heater
Title 20 Compliant
Yes
Uniform Energy Factor
0.92

Reviews

(1)
4 out of 5 Stars

Product Q&A

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