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Deal.ai › KFFKFF › Tankless Water Heaters
KFFKFF
KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System

KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System

Best price now

$249.00at AmazonChecked Nov 9

Compared across 2 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Last seen at $249.00 at Amazon on Nov 9.
  • Checked at 2 stores.

Our take on the KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System

The KFFKFF 27 kW is a whole-house tankless electric water heater that runs on 240 V and heats water on demand through a cast aluminum element. It has an LED touchscreen for setting outlet temperature between 86 and 131 °F, brass inlet and outlet fittings, and an IPX4 splash-rated housing. At 27 kW it needs a large dedicated circuit, roughly 113 A at full draw, so an electrician and a service upgrade are usually part of the job. It suits households replacing a tank in a mild climate or feeding a few fixtures at once; in cold incoming water it delivers less hot flow than its rating suggests, and it lacks the modulating controls and brand support of premium rivals.

Best forWhole-home replacement where a tank is impracticalMild-climate homes with incoming water above 50 °FHouseholds that want endless hot water for showersKitchens or small commercial sinks needing point-of-use heat
Pros
  • No tank, so no standby heat loss and no running out of hot water
  • 27 kW gives strong output for its size when incoming water is not cold
  • Touchscreen with digital temperature setting from 86 to 131 °F
  • Brass water connections and IPX4 splash protection
  • Compact wall-mounted body frees floor space
Cons
  • Needs a very large 240 V circuit, often a panel or service upgrade
  • Hot flow drops sharply with cold groundwater
  • No published warranty or support network comparable to established brands
  • Single unit serves the whole house, so simultaneous fixtures compete for heat
  • Installation is not a DIY job and adds real cost

KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System prices at every store

  • WalmartNew

    In stockSold by KFFKFF Home Tools Store USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $260.99Free shippingChecked 4 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

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

    $249.00Free shippingChecked Nov 9
    Visit Amazon

KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System price history

Lowest price we've seen: $249.00 on Nov 9 at Amazon. Tracked across 1 store since Nov 9.

About the KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System

Product Description Electric Water Heater with Rapid Heating Technology This compact electric water heater is designed with a cast aluminum heating element and a water-electric separation system to ensure safe and reliable operation. Its LED touch screen offers easy and precise temperature control, making it ideal for providing consistent hot water in kitchens, bathrooms, or small commercial spaces. Compact Design Space-saving design suitable for installation near sinks and utility areas. Designed for durability and reliability Durable brass connections for water input and output, designed to improve thermal efficiency. Designed with safety in mind, this product incorporates features that provide reliable protection during use. The IPX4-rated construction effectively protects the internal components from exposure to water splashes and steam. Touchscreen with LED Display This efficient water heater offers instant temperature updates through its intuitive controls. Users can easily set the temperature within a range of 86-131 °F (30-55 °C), ensuring adaptability for everyday needs. Shopping Tips Select the appropriate power level for your electric water heater based on the size of your household and the temperature of your local water supply. Ensure an electrician inspects the circuit breaker and wiring before installation. Compact design eliminates the need for a tank, promoting enhanced hygiene and cleanliness. This tankless shower water heater eliminates the need for water storage, minimizing scaling and buildup while conserving energy by avoiding standby heating. It activates with a flow as low as 0.4 gallons, ensuring reliable hot water access even in areas with low water pressure. Specifications Item Model Number: TSD-270 Voltage: 240 V Frequency: 60 Hz Rated Power: 27 kW Water Resistance Rating: IPX4 Minimum Required Circuit Breakers: 3 x 40 A Outlet Water Temperature: 86–131°F Main Housing Material: SPCC Cold-Rolled Steel Port Size: NPT 3/4 in Net Weight: 18.08 lbs / 8.2 kg Product Dimensions: 17.17 x 12.24 x 3.46 in / 436 x 311 x 88 mm Package Content 1 x Tankless Water Heater 2 x Hooks 4 x ST 4.2 x 25 Screws 4 x Wall Anchors 1 x User Manual 1 x Installation Positioning Template

Questions and answers

How much power does the 27 kW model draw?
At full output it pulls about 113 A at 240 V. That means a dedicated circuit far larger than a typical 50 A range circuit, and many homes need a panel or service upgrade before it can be installed.
Will it run a whole house?
It can supply a whole house in a mild climate, but output depends on incoming water temperature. Cold groundwater cuts the hot flow, so in northern winters it may only handle one shower at a time.
What temperature range can I set?
The touchscreen sets outlet temperature from 86 to 131 °F (30 to 55 °C). It does not modulate power the way premium units do, so flow and temperature shift together.
Can I install it myself?
No. A 27 kW electric heater requires an electrician to check the breaker, wiring and grounding. Budget for that work alongside the unit.
Does it need a tank or venting?
No tank and no venting. It mounts on a wall near the water lines and needs only cold water in and hot water out, plus the electrical supply.
Is it safe near water splashes?
The housing is IPX4 rated, which resists splashes and steam. It separates water from the electrical path, but it still needs proper grounding and a dry, protected mounting spot.
Where is the KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System cheapest?
At Amazon, for $249.00, as of our latest check.
Where can I buy the KFFKFF Tankless Electric Water Heater, 27 kW 240 V Instant Hot Water System?
2 stores we checked sell it, including Walmart, Amazon.

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