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  1. $729.99
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    Product Details

    • Product Type: Tankless Water Heater
    • Power Source: Natural Gas
    • Assembled Height: 20-1/2 in.
    • Assembled Length: 6-11/16 in.
    • Assembled Width: 13-13/16 in.
    • Commercial or Residential: Residential
    • Amperage: 5 amps
    • Vent Diameter: 4 in.
    • Temperature Pressure Relief Valve: No
    • Maximum Elevation: 6000 ft.
    • CSA Listed: Yes
    • Water Connection Size: 3/4 in.
    • Wall Mountable: Yes
    • BTUs: 140,000 BTU
    • Voltage: 120 volts
    • Water Connection Location: Bottom
    • Warranty: 15 year
    • Self Cleaning: No
    • Energy Star Compliant: No
    • Gas Connection Size: 3/4 in.
    • 15 year warranty heat exchangerr
    • 5 year warranty parts
    • Low NOx emissions, requires one 3/4" opening 150 psi Pressure only relief valve purchased separately
    • Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement
  2. $629.99
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    Product Details

    • Sub Brand: Tronic 6000
    • Power Source: Electric
    • Product Type: Tankless Water Heater
    • Assembled Height: 17-1/2 in.
    • Assembled Length: 18-1/2 in.
    • Assembled Width: 8-1/2 in.
    • Warranty: 5 year
    • Commercial or Residential: Residential or Commercial
    • Model WH27
    • Water Pressure Range: 15-150psi
    • 97% efficiency rating
    • Electronic flow sensor
    • Filter screen on inlet
  3. $479.99
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    Product Details

    • Sub Brand: Tronic 6000
    • Power Source: Electric
    • Product Type: Tankless Water Heater
    • Assembled Height: 17-1/2 in.
    • Assembled Length: 18-1/2 in.
    • Assembled Width: 8-1/2 in.
    • Commercial or Residential: Residential or Commercial
    • Warranty: 5 year
    • Model WH17
    • 97% efficiency rating
    • Compact & lightweight
    • Electronic flow sensor
    • Element modulation provides a constant output temperature
    • Filter screen on inlet
    • Improved temperature stability & control
    • Enhanced scale resistance
  4. $259.99
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    5

    (3)

    Product Details

    • Product Type: Tankless Water Heater
    • Power Source: Electric
    • Assembled Height: 12 in.
    • Assembled Length: 9-3/4 in.
    • Assembled Width: 3-3/4 in.
    • Temperature Pressure Relief Valve: No
    • Maximum Pressure: 150 psi
    • Element Wattage: 220
    • Minimum Temperature: 80 deg. F
    • Amperage: 57 amps
    • Voltage: 208 volts
    • Maximum Temperature: 140 deg. F
    • CSA Listed: Yes
    • Wall Mountable: Yes
    • Self Cleaning: No
    • Water Connection Size: 1/2 in.
    • Water Connection Location: Side
    • Commercial or Residential: Residential
    • Warranty: Lifetime
    • Energy Star Compliant: Yes
    • The POU 6 uses (1) 5.5 kW at 220 volts
    • Digital temperature control in 1-degree increments allows control of hot water
    • Compact size saves valuable storage space
    • ECO 11 can be used for multiple or single applications depending on your climate
  5. $219.99
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    0

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    Product Details

    • Power Source: Electric
    • Product Type: Water Heater
    • Assembled Height: 17-1/2 in.
    • Assembled Length: 14-1/2 in.
    • Assembled Width: 17-1/2 in.
    • Tank Capacity: 7 gal.
    • Voltage: 120 volts
    • Model ES8
    • Supplies up to 2 sinks at a time
    • Provides hot water quickly at point-of-use
    • Compact, lightweight, space saving
    • Unit can be wall / floor mounted (bracket included) with multi-directional mounting available
    • Temperature / pressure relief valve
    • Glass-lined tank for long service life
    • Hard wired connection (1440 Watts)
  6. $199.99
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    Product Details

    • Sub Brand: Tronic
    • Power Source: Electric
    • Product Type: Tankless Water Heater
    • Assembled Height: 6 in.
    • Assembled Length: 3 in.
    • Assembled Width: 12 in.
    • Warranty: 5 year
    • Wall Mountable: Yes
    • Model US12
    • 2.6GPM 12 kW output tankless electric water heater eliminates long waits for hot water at point-of-use,Easy installation under bathroom or kitchen sink, Unit is only designed to operate on 240-volt
    • Ultra compact and lightweight
    • 98% efficiency with minimal stand-by loss
    • Copper heat exchanger with copper sheathed heating elements
    • No temperature / pressure relief valve is necessary
  7. $199.99
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    0

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    Product Details

    • Sub Brand: Tronic 3000T
    • Power Source: Electric
    • Product Type: Water Heater
    • Assembled Height: 13-3/4 in.
    • Assembled Length: 13-1/2 in.
    • Assembled Width: 13-3/4 in.
    • Tank Capacity: 4 gal.
    • Voltage: 120 volts
    • Maximum Temperature: 145 deg. F
    • Wall Mountable: Yes
    • Minimum Temperature: 65 deg. F
    • Point of Use: Yes
    • Warranty: 6 year
    • Model ES4
    • Heating Capacity: 1,440 watts
    • Supplies up to 2 sinks at a time
    • Compact and lightweight
    • 6 year warranty is on the inner tank and 2 years on other components
  8. $189.99
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    0

    (No reviews)

    Product Details

    • Sub Brand: Tronic 3000
    • Power Source: Electric
    • Product Type: Tankless Water Heater
    • Assembled Height: 6 in.
    • Assembled Length: 3 in.
    • Assembled Width: 12 in.
    • Point of Use: Yes
    • Wall Mountable: Yes
    • Warranty: 5 year
    • Model US9
    • Ultra compact and lightweight
    • 98% efficiency with minimal stand-by loss
    • Copper heat exchanger with copper sheathed heating elements
    • No temperature / pressure relief valve is necessary
  9. $189.99
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    0

    (No reviews)

    Product Details

    • Product Type: Water Heater
    • Power Source: Electric
    • Tank Capacity: 2.5 gal.
    • Assembled Height: 16 in.
    • Assembled Length: 10-29/32 in.
    • Assembled Width: 11 in.
    • CSA Listed: Yes
    • Amperage: 12 amps
    • Minimum Temperature: 50 deg. F
    • Warranty: 5 year
    • Maximum Temperature: 140 deg. F
    • Energy Star Compliant: No
    • Water Connection Location: Top
    • Wall Mountable: Yes
    • Water Connection Size: 3/4 in.
    • Self Cleaning: No
    • Element Wattage: 1440 watts
    • Maximum Pressure: 150 psi
    • Voltage: 120 volts
    • Commercial or Residential: Residential
    • Temperature Pressure Relief Valve: Yes
    • Easy installation
    • Pressure relief valve included
    • Lightweight and compact
Showing 1-9 of 12
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About Tankless Water Heaters


As homeowners get more creative with their use of space, one way to save room throughout your home and often money is to install tankless hot water heaters. Ace Hardware carries tankless water heaters to supplement your current system or whole house tankless water heaters to replace it.

Rather than working to maintain set hot water temperatures in a reservoir throughout the day, tankless water heaters heat water “on demand”. Since it’s unnecessary to store hot water between usages, these no tank water heaters save on energy costs and can be installed close to a water source. Smaller models can even be hidden within a bathroom vanity.

Tankless water heaters typically come in gas or electric variations. While gas models often require a professional hook up, some homeowners opt for electric tankless water heaters for more simplified installation. For more information, visit an expert at your local Ace.
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