Refurbished Water Heaters — 120 Deals

120 open-box and refurbished Water Heaters deals are live for shoppers in the US right now, with discounts averaging 29% off retail. Prices range from $29 to $1,287, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include Nessxa, CAMPLUX ENJOY OUTDOOR LIFE, EcoSmart and Eemax. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

120 live US listings.

USA

Bosch Thermotechnology

Bosch Thermotechnology Tronic 6100 Electric Tankless Water Heater, 27 kW, White

$336⁷³

Stiebel Eltron Tankless Water Heater – Tempra 36 Plus – Electric, 36kW, On Demand Hot Water, Eco, White, Made in Germany

$474⁵⁸

Eemax HA036240 240V 36 kW Electric Tankless Water Heater

$397⁶³

Vancepic Tankless Water Heater Propane, Max 8.5 GPM 190000 BTU Outdoor on Demand Instant Hot Water Heater with LED Temperature Control Panel RHO19K-LPG

$393³²

Opti15 opti 15kW 240V 3.0GPM 25-Year Warranty Electric Tankless Water Heater

$203²³

Vancepic Tankless Water Heater Propane, Max 5.3 GPM 130000 BTU Outdoor On Demand Instant Hot Water Heater with LED Temperature Control Panel

$343⁹⁶

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

$299⁹⁹

Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, 28.8kW, On Demand Hot Water, Eco, White, Made in Germany

$465²⁸

EcoSmart ECOS 18 Tankless Electric Water Heater, 18 Kw at 240 Volts, 75 Amps with Patented Self Modulating Technology

$169⁴⁷

Eemax HA011240, Grey, 6 Gauge , Gray

$49⁰²

VEVOR Tankless Water Heater Electric, 36KW 240V Black Instant Water Heater, LCD Touch Screen, Digital Temperature Display, Child Security Lock, On Demand for Bathroom, Kitchen, Shower, Mall, Salon

$212¹⁹

Eemax SPEX35 FlowCo 3.5 Kilowatt 240 Volt Electric Point of Use Water Heater

$36¹³

EcoSmart 7.2 kW Electric Water Heater Booster Model # ECOTB240

$131⁶¹

Thermomate Tank Water Heater - 10 Gallon Point of Use Hot Water Heater, 120V 1500W, Adjustable Thermostat, UL Listed (ES1000)

$241⁰¹

WINTEMP 36kW Tankless Electric Water Heater 240V ETL Certified WiFi

$339⁹⁸

Bosch Thermotechnology

Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 6.5 kW, White

$71³⁷

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

$233⁸⁷

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Propane Tankless Water Heater 2.64 GPM, CM264 Gas Tankless Water Heater Indoor, 68,000 BTU On Demand Instant Hot, White

$152⁹⁹

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Climatech 5 Tankless Water Heater Propane Outdoor 6.86 GPM Up to 8.4 GPM, 199,000 BTU On Demand Instant Tankless Hot Water Heater Propane for Whole House, IPX4 Waterproof, WA686M

Used – Mint

$559⁹⁹

$699.99

-20% Save $140.00

Update: 20 hours 53 mins

Buy at Amazon.com

USA

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Climatech 5 Tankless Water Heater Gas Outdoor 6.86 GPM Up to 8.4 GPM,199,000 BTU, CSA Certified On Demand Gas Tankless Hot Water Heater Natural Gas, 3-8 Persons Whole House, WA686

$559⁹⁹

APUS 190,000 BTU Outdoor Tankless Water Heater, 8.1 GPM Propane Instant Hot Water Heater with WiFi & Remote Control, High Efficiency for Supports 5 Outlets

$565²⁴

Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater

$138⁹⁹

EcoSmart ECOS 27 Tankless Electric Water Heater, 27 kW at 240 Volts, 112.5 Amps with Self Modulating Technology

$299⁷³

Bosch Thermotechnology

Bosch Thermotechnology Tronic 4000 Electric Tankless Water Heater, 10.5 kW, 13 x 8.5 x 4.5", White

$159⁹¹

Water Heaters open-box FAQ

How much can I save on open-box Water Heaters?

Discounts on Water Heaters at OpenBoxFox currently average 29% off retail across 120 live listings, with prices from $29 to $1,287. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Water Heaters safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Water Heaters brands are on sale open-box right now?

The most-listed brands in Water Heaters at the moment are Nessxa, CAMPLUX ENJOY OUTDOOR LIFE, EcoSmart, Eemax and Rheem. New open-box inventory arrives daily, so brand availability changes often.

How often are Water Heaters deals updated?

OpenBoxFox syncs Water Heaters inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.