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Why you’ll love it

RestaurantSupply.com is your trusted source for Hubbell electric tanksless booster heaters.

  • Authorized Hubbell dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Hubbell JTX040-6R electric tanksless booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell JTX040-6R 17 Inch Electric Tankless Booster Heater with Digital Control

Hubbell  |  MFG #: JTX040-6R  |  Item #: 546343
Item: #546343

Technical details
Manufacturer Hubbell Water Heaters
Model Number JTX040-6R
Manufacturer Part # JTX040-6R
Wattage 31 - 40 Kilowatts
Height 25"
Width 17.69"
Depth 4.56"
Weight 42 lbs
NSF Yes
UL Yes
UL EPH Yes
cUL Yes

About this item

Product Details

The Hubbell JTX040-6R Tankless Booster Heater is a commercial-grade electric wall-mount unit designed to enhance water heating efficiency in professional foodservice settings. Featuring a robust 40.0 kW capacity with six incoloy-sheathed heating elements, this self-contained heater provides precise temperature control via a digital display controller. Its compact, stainless steel exterior ensures durability for continuous operation, making it suitable for high-demand applications such as beverage stations, dishwashers, or process lines in busy kitchens. Operating at 208V with a three-phase power supply and consuming up to 111 amps, this booster heater offers reliable performance and straightforward integration into existing plumbing and electrical systems.

Top Hubbell JTX040-6R Features

The Hubbell JTX040-6R Tankless Booster Heater is engineered for demanding foodservice environments requiring instant hot water delivery. Its electronic digital display enables accurate temperature adjustments, while solid state switches ensure dependable operation. With brass pressure reducing valves, dielectric unions, and stainless steel construction, this unit provides durability and ease of maintenance for busy kitchen workflows. Its wall-mount design simplifies installation, fitting seamlessly into compact or retrofit spaces. Designed for continuous operation, it supports high-throughput dishwashing, beverage prep, and process heating tasks.

  • High-capacity heating: 40 kW power supports rapid water heating
  • Durable construction: Incoloy-sheathed elements and stainless steel exterior
  • User-friendly control: Electronic digital display for precise temperature management
  • Ease of maintenance: Modular components and dielectric unions simplify servicing
  • Optimized workflow integration: Wall mount for flexible installation in tight spaces

Ideal for commercial kitchen operations requiring reliable, high-volume hot water delivery with minimal downtime.

Hubbell JTX040-6R Technical Specs

The Hubbell JTX040-6R Tankless Booster Heater operates on 208V three-phase power at 60 Hz, with a maximum wattage of 40 kW and a current draw of 111 amps. Its stainless steel construction provides resistance to corrosion and wear, with dimensions of 17.69 inches in width, 4.56 inches in depth, and 25 inches in height, and a weight of 42 pounds. The unit is equipped with six incoloy-sheathed heating elements designed for longevity under daily use. It features NSF, UL, and UL EPH listings, ensuring safety and compliance for professional foodservice environments. The heater supports continuous operation with a reliable electronic digital controller and includes brass pressure reducing valves, dielectric unions, and gauges to monitor pressure and temperature. The compact design facilitates installation in various kitchen configurations, supporting high-demand applications such as dishwashing, beverage stations, and process cooling.

  • Electrical Requirements: 208V, 60Hz, three-phase, 111 amps, 40 kW
  • Construction & Finish: Stainless steel exterior, corrosion-resistant durable materials
  • Dimensions & Weight: 17.69" W x 4.56" D x 25" H, 42 lbs
  • Operating Range: Designed for continuous high-volume operation in demanding environments
  • Safety & Certification: NSF, UL, UL EPH listed for safety compliance
  • Control & Maintenance: Electronic digital controller, solid state switches, modular components
  • Plumbing & Installation: Brass pressure reducing valves, dielectric unions simplify plumbing

What is a commercial booster heater?

A commercial booster heater is a high-capacity water heating device designed to deliver instant, consistent hot water in foodservice environments. It is typically installed to boost incoming water temperature for dishwashers, beverage stations, or process applications. The Hubbell JTX040-6R is a professional-grade tankless booster heater, featuring self-contained electrical operation, durable stainless steel construction, and precise digital controls. Installed in undercounter or wall-mounted configurations, it supports high-volume workflows in restaurants, hotels, and institutional kitchens, making it ideal for applications requiring reliable, immediate hot water supply for continuous operation.

Top Commercial Booster Heaters for High-Volume Foodservice Settings

Top commercial booster heaters like the Hubbell JTX040-6R deliver dependable hot water for high-volume foodservice operations. Built with durable materials and advanced electronic controls, they support continuous workflow in busy kitchens, ensuring sanitation and process efficiency in restaurant and institutional environments. Hubbell JTX040-6R enhances operational reliability and hot water consistency in demanding high-throughput applications.

  • Operation type — suitable for high-volume dishwashing stations
  • Kitchen setting — ideal for busy restaurant and institutional kitchens
  • Foodservice category — continuous hot water supply for front and back of house
  • Workload qualifier — supports moderate to high throughput scenarios
  • Use case — optimizes workflow for water heating in commercial settings

Why Choose Hubbell JTX040-6R?

Why choose the Hubbell JTX040-6R over similar booster heaters? Its compact footprint, stainless steel durability, and precise electronic controls set it apart for demanding environments. Designed for ease of installation and maintenance, it ensures long-term reliability and operational efficiency. Its high-capacity, self-contained design supports high-volume applications, reducing workflow interruptions while offering reliable performance in professional kitchens.

  • Compact footprint for space-efficient installation
  • Stainless steel exterior enhances durability and longevity
  • High-wattage power supports swift water heating
  • Self-contained unit simplifies setup and connection
  • Features integrated gauges and digital control for accurate maintenance

Certifications

UL Listed logo

UL Listed

The item has been tested by Underwriters Laboratories (UL) for sanitation hazard standards and meets or exceeds expectations.

NSF Listed logo

NSF Listed

The item meets the standards imposed by NSF International. These standards relate to health, public safety and the environment.

UL EPH logo

UL EPH

This item meets or exceeds ANSI/NSF requirements and complies with United Laboratories (UL) EPH standards.

cUL logo

cUL

Tested by Underwriters Laboratories and certified for use in Canada, this product meets strict Canadian safety standards.

Certifications

Customer reviews

Hubbell JTX040-6R Tankless Booster Heater Electric Wall Mount
Hubbell Water Heaters

Hubbell JTX040-6R 17 Inch Electric Tankless Booster Heater with Digital Control

$6,727.75 $7,915.00

Hubbell Water Heaters, JTX040-6R, Tankless Booster Heater, electric, wall mount, 40.0kW, (6) incoloy-sheathed heating elements, solid state switches, electronic digital display controller, brass pressure reducing valve with bypass, (2) temperature & pressure gauges, (2) dielectric unions, stainless steel exterior, 208v/60/3-ph, 111.0 amps, UL, cUL, UL EPH (ANSI NSF 5)