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27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified

27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified

Best price now

$446.49at AmazonChecked 2 h ago

27% under what the other stores charge

Compared across 9 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $446.49 at Amazon (checked Nov 12, 2026).
  • Checked at 9 stores.

27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified prices at every store

  • Ace HardwareNew

    In stock

    $499.99Free shippingChecked 2 h ago
    Visit Ace Hardware
  • ZoroNew

    In stock

    $598.39Free shippingChecked 2 h ago
    Visit Zoro
  • Home DepotNew

    In stock

    $619.00Free shippingChecked 2 h ago
    Visit Home Depot
  • HomeLogicNew

    In stockReturn policy

    $1,080.99Checked 2 h ago
    Visit HomeLogic
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $446.49Free shippingChecked 2 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by goodplace2shop

    $519.95Checked 2 h ago
    Visit eBay
  • Do it BestNew

    Availability unknown

    $609.99Checked 2 h ago
    Visit Do it Best
  • Carr HardwareNew

    Availability unknown

    $609.99Checked 2 h ago
    Visit Carr Hardware
  • Lowe'sNew

    Availability unknown

    $619.00Free shippingChecked 2 h ago
    Visit Lowe's

Store links may earn us a commission.

27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified price history

Lowest price we've seen: $446.49 on Nov 12 at Amazon. Tracked across 8 stores since Nov 12.

About the 27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified

⭐ Key Features

•Electrical & Installation Requirements: Before purchasing, please ensure your home's main panel has a total electrical capacity of at least 150 Amps. This 27kW unit requires 3 x separate 40 Amp double-pole breakers and 3 x sets of 8 AWG copper wires, and standard 3/4" NPT water connections for proper installation

•Instant & Endless Hot Water: Powering up to 6.6 GPM of on-demand hot water, the ThermoMate 240V electric tankless water heater ensures a continuous supply without running out. Perfect for running up to 3-4 plumbing fixtures simultaneously (such as 2 shower and a bathroom sink) depending on your inlet water temperature

•Heavy-Duty Cast Aluminum Heating Element: Engineered with a premium cast aluminum heating block and iron-chromium-aluminum alloy elements, featuring an advanced water-and-electricity separation structure. This robust design prevents scale buildup and corrosion, significantly extending the appliance's lifespan

•Smart Modulation for Comfort & Savings: Powered by an intelligent self-modulating chip, this heater monitors flow and inlet temperature in real time to deliver perfect temperature stability from 80°F to 140°F without irritating fluctuations. Operating at 99% thermal efficiency, it saves up to 60% on water heating costs by automatically cutting out the standby energy loss of traditional tank heaters.

•Space-Saving Compact Design: Measuring just 17.09 x 13.15 x 3.15 inches and weighing only 16 lbs, this sleek, wall-mounted grey unit frees up over 50% of your valuable floor space compared to bulky traditional tank heaters. Perfect for whole-house multi-point supply in small homes, tight apartment closets, compact bathrooms, holiday cabins, or commercial spaces

•North American Standard Layout & Safe ETL Listed: ETL listed to rigorous UL-499 and CAN/CSA-C22.2 North American standards. This unit is built with advanced multi-layer protections, including anti-leakage, over-temperature cutoff, dry-combustion proofing, and surge/lightning protection. Every heater undergoes 100% rigorous factory testing to guarantee absolute safety and flawless out-of-the-box operation

🛠️ Specifications

• Brand : thermomate

• Unit : 1 Count

• Color : Gray

• Included components : Water heater, Mount Kit

• Item highlights : 240 Volt Touch Control Instant On-Demand Hot Water Heater with Self-Modulating for Residential Indoor Shower

• Number of items : 1

• Special features : advanced water-and-electricity separation structure, Self-Modulating

• Type : WATER_HEATER

Questions and answers

Where is the 27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified cheapest?
At Amazon, for $446.49, 27% under what the other stores charge, as of our latest check.
Where can I buy the 27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified?
9 stores we checked sell it, including HomeLogic, Amazon, Ace Hardware, eBay, Zoro.

• Item dimensions : H: 17.1 / L: 13.1 / W: 13.1 (Weight: 19.0)

• Package dimensions : H: 6.4 / L: 19.9 / W: 14.5 (Weight: 21.15)

Stores we've priced the 27kW Tankless Water Heater Electric Max 6.6 GPM ETL Certified at

  • Ace Hardware deals and prices
  • Home Depot deals and prices
  • Lowe's deals and prices
  • Zoro deals and prices

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