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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 JTX042-6S electric tanksless booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell JTX042-6S 17 Inch Tankless Electric Booster Heater with Digital Display

Hubbell  |  MFG #: JTX042-6S  |  Item #: 546345
Item: #546345

Technical details
Manufacturer Hubbell Water Heaters
Model Number JTX042-6S
Manufacturer Part # JTX042-6S
Wattage 41 - 50 Kilowatts
Height 25"
Width 17.69"
Depth 4.56"
Weight 42 lbs
cUL Yes
NSF Yes
UL Yes
UL EPH Yes

About this item

Product Details

The Hubbell JTX042-6S Tankless Booster Heater Electric Wall Mount is a high-performance commercial heating unit designed for applications requiring reliable on-demand hot water assistance. With a rated power of 42.0 kW and a compact footprint, this electric booster heater is tailored for restaurant kitchens, beverage stations, and institutional foodservice environments. Its precise electronic digital display controller ensures accurate temperature regulation, while the incoloy-sheathed heating elements provide enhanced durability in demanding conditions. Crafted with stainless steel exterior and featuring a brass pressure reducing valve with bypass, this model synergizes efficiency with robustness, making it ideal for mid-volume foodservice operations aiming for consistent water temperature maintenance.

Top Hubbell JTX042-6S Features

The Hubbell JTX042-6S tankless booster heater offers advanced electronic control and rugged construction for use in commercial kitchens and foodservice establishments. Its incoloy-sheathed heating elements resist corrosion, while the digital display allows for straightforward operation and maintenance. Designed for wall mounting, it integrates seamlessly into existing plumbing and electrical systems for reliable hot water augmentation. Suitable for mid-volume applications, this unit enhances workflow efficiency in busy foodservice environments.

  • Functionality: 42 kW power output for consistent hot water supply
  • Durability: Incoloy-sheathed heating elements resist corrosion in demanding settings
  • Ease of Maintenance: Electronic control with diagnostic display simplifies troubleshooting
  • Application Fit: Wall-mounted design fits tight kitchen spaces efficiently
  • Workflow Integration: Compatible with standard 240V/60Hz single-phase electrical systems

Ideal for commercial foodservice operations requiring reliable booster heating with minimal footprint.

Hubbell JTX042-6S Technical Specs

The Hubbell JTX042-6S operates on a 240V, 60Hz, single-phase electrical supply with a power draw of approximately 42 kilowatts, corresponding to 175.0 amps. Constructed from durable stainless steel with a compact footprint of 17.69 inches wide by 4.56 inches deep and 25 inches high, it weighs 42 lbs, facilitating straightforward installation in limited space environments. The unit features an electronic digital display controller for precise temperature adjustments and integrates (6) incoloy-sheathed heating elements for longevity. Its corrosion-resistant design and self-contained construction make it suitable for continuous operation in commercial settings, with straightforward maintenance procedures. The unit complies with UL standards and includes temperature and pressure gauges along with dielectric unions for reliable plumbing connections. It is designed for efficient operation within a range of typical hot water demand scenarios and is optimized for use with commercial electrical systems.

  • Electrical Requirements: 240V, 60Hz, single-phase, 175 amps
  • Construction & Finish: Stainless steel exterior for corrosion resistance
  • Dimensions: 17.69" W x 4.56" D x 25" H
  • Weight: 42 lbs for ease of installation and handling
  • Heating Elements: Six incoloy-sheathed elements for durability
  • Operational Range: Suitable for continuous hot water supply in commercial applications
  • Installation Requirements: Wall mount with clearance for airflow and plumbing connections

What is a commercial booster heater?

A commercial booster heater is a self-contained heating unit designed to augment hot water supply in foodservice settings, installed in undercounter or wall-mounted configurations. The Hubbell JTX042-6S model functions as a tankless electric booster capable of delivering consistent water temperature while operating efficiently within commercial electrical systems. It features multiple incoloy heating elements, digital control, and pressure gauges, making it suitable for applications such as restaurant dishwashing stations, beverage preparation, and food prep areas. Its robust construction and precise temperature control support continuous operation, supporting mid-volume foodservice workflows.

Top Commercial Booster Heaters for Foodservice Use

Designed for moderate workload foodservice settings, the Hubbell JTX042-6S delivers reliable electric booster heating with a compact footprint, ideal for restaurant kitchens, cafeterias, and institutional facilities. It operates efficiently under typical foodservice demands, supporting workflow continuity and consistent water temperatures by integrating seamlessly with existing electrical and plumbing systems. Hubbell JTX042-6S is engineered for durability and ease of maintenance in diverse commercial kitchen environments.

  • Operation Type — suitable for undercounter and wall-mounted setups
  • Kitchen Type — ideal for small to medium commercial kitchens
  • Foodservice Category — enhances dishwashing and beverage station operations
  • Workload Qualifier — handles moderate throughput requirements efficiently
  • Use Case — optimizes hot water flow in busy foodservice environments

Why Choose Hubbell JTX042-6S?

Compared to similar electric booster heaters, the Hubbell JTX042-6S offers superior durability with incoloy-sheathed elements, precise electronic control, and a compact stainless steel design tailored for commercial applications. Its robust construction reduces maintenance frequency, while the digital display simplifies operational adjustments—enhancing overall system reliability. Designed for efficient integration into existing electrical and plumbing systems, it supports continuous operation in busy hospitality environments without sacrificing space or performance.

  • Self-contained design facilitates straightforward installation and servicing
  • Corrosion-resistant stainless steel exterior withstands demanding conditions
  • High wattage capacity for consistent hot water support
  • Compact footprint ideal for space-constrained kitchens
  • Integrated pressure gauges aid in system monitoring and troubleshooting

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

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Hubbell Water Heaters

Hubbell JTX042-6S 17 Inch Tankless Electric Booster Heater with Digital Display

$7,664.07

Hubbell Water Heaters, JTX042-6S, Tankless Booster Heater, electric, wall mount, 42.0kW, (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, 240v/60/1-ph, 175.0 amps, UL, cUL, UL EPH (ANSI NSF 5)