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Why you’ll love it

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

  • Authorized Hubbell dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Hubbell J35.7A electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J35.7A Electric Booster Heater 5.7kW 3 Gallon Stainless Steel with Leak Detection

Hubbell  |  MFG #: J35.7A  |  Item #: 546350
Item: #546350

Technical details
Manufacturer Hubbell Water Heaters
Model Number J35.7A
Manufacturer Part # J35.7A
Width 11" - 19"
Wattage 4 - 11 Kilowatts
Height 12.5"
Width 13.25"
Depth 13"
Weight 46 lbs
UL Yes
UL EPH Yes
cUL Yes
NSF Yes

About this item

Product Details

The Hubbell J35.7A Booster Heater, Electric is a commercial-grade heating unit designed for rapid water temperature regulation in foodservice environments. Featuring a durable ASME-stamped stainless steel tank with CFC/HCFC free closed cell foam insulation, this 5.7kW booster heater enhances efficiency while minimizing energy loss. With a 3-gallon storage capacity, electronic display controller including low water cut-off and leak detection, it offers precise temperature management suitable for busy kitchens requiring reliable hot water supply. Its compact dimensions of approximately 11 to 19 inches in width, 12.5 inches in height, and 13 inches in depth, positioned on six adjustable plastic legs, ensure seamless integration into various commercial setups. The unit is UL and UL EPH listed, emphasizing safety and compliance for high-demand facilities.

Top Hubbell J35.7A Features

The Hubbell J35.7A booster heater delivers high-performance hot water output for commercial foodservice applications. Its electronically controlled operation ensures accurate temperature regulation, while the stainless steel tank guarantees longevity under demanding use. Designed for ease of maintenance, the unit’s accessible components facilitate quick servicing. Ideal for cafes, fast-food outlets, and undercounter stations, its compact footprint aligns with space-constrained kitchen layouts.

  • Efficient 5.7kW power output supports quick water heating for moderate throughput
  • Stainless steel ASME tank offers durability in busy foodservice environments
  • Electronic controller with leak detection simplifies operation and enhances safety
  • Compact size with adjustable plastic legs enables versatile installation in tight spaces
  • Low water cut-off feature prevents dry operation and prolongs unit lifespan

Suitable for installation in commercial kitchens needing reliable hot water supply with minimal footprint.

Hubbell J35.7A Technical Specs

The Hubbell J35.7A booster heater operates on a voltage range of 208-240V, three-phase at 60 Hz, drawing approximately 24-28 amps at 5.7kW. Its self-contained, electric design utilizes a stainless steel construction with a 3-gallon capacity, making it suitable for continuous moderate water heating applications in commercial kitchens. The lightweight 46 lbs unit, with dimensions of about 13.25 inches wide, 13 inches deep, and 12.5 inches tall, ensures ease of installation and maintenance. Certified by UL and UL EPH, it incorporates advanced features such as leak detection and low water cut-off, crucial for sanitation and operational safety. The unit’s stainless steel exterior and foam insulation contribute to energy efficiency and longevity, compatible with standard plumbing and electrical infrastructure. It is designed for ambient operating temperatures up to 150°F, with safety features that support durable, dependable performance in high-use settings.

  • Electrical Requirements: 208-240V, three-phase, 24-28A, 5.7kW
  • Construction & Finish: Stainless steel tank with foam insulation, stainless exterior
  • Dimensions: 13.25" W x 13" D x 12.5" H
  • Weight: 46 lbs
  • Operating Range: Up to 150°F, suitable for continuous operation in foodservice applications
  • Electrical connection: Requires standard electrical hookup compatible with commercial kitchens
  • Plumbing integration: Connects easily to existing hot water lines with suitable fittings
  • Installation clearance: Adequate airflow around unit for cooling and maintenance access
  • Drainage setup: Proper drain connection required for leak and condensate management
  • Maintenance access: Accessible electronic display and service panels for regular checks

What is a commercial booster heater

A commercial booster heater is a compact, high-efficiency hot water heating device designed to supply immediate hot water in foodservice settings. This equipment typically features a self-contained, durable stainless steel tank, with capacities ranging from 2 to 5 gallons, intended for use in cafes, quick-service restaurants, and prep stations. The Hubbell J35.7A booster heater, in particular, is engineered for moderate water demand environments, ensuring reliable temperature control through electronic regulation, and is commonly installed under counters or behind food prep areas to support continuous operation and sanitation requirements. Its robust construction and integrated safety features make it suitable for demanding commercial kitchen workflows needing consistent hot water delivery.

Top commercial booster heaters for moderate throughput in Foodservice Settings

Built for reliable operation in foodservice environments, the Hubbell J35.7A booster heater delivers precise temperature control and rapid hot water supply for moderate workloads. Its durable stainless steel construction, combined with electronic leak and low water cut-off features, makes it ideal for installation in busy commercial kitchens and prep areas. Hubbell J35.7A supports efficient workflow and compliance with sanitation standards in medium-capacity foodservice operations.

  • Operation in moderate-traffic kitchens supports continuous hot water needs
  • Compact footprint ideal for undercounter or tight setup environments
  • Durable stainless steel tank withstands frequent use and cleaning
  • Electronic controls enable precise temperature adjustments
  • Reliable leak detection enhances sanitation and safety standards

Why Choose Hubbell J35.7A Booster Heater Electric?

Compared to similar units, the Hubbell J35.7A stands out with its robust stainless steel construction, integrated electronic safety features, and precise temperature regulation. Its compact size and ease of maintenance optimize workflow efficiency, making it suitable for various commercial kitchen setups. The unit’s proven durability and safety certifications ensure dependable performance over time, supporting foodservice operations that demand consistent hot water delivery with minimal downtime.

  • Self-contained design simplifies installation and reduces space requirements
  • Commercial kitchen-ready form factor supports quick integration into existing setups
  • Enhanced safety features improve sanitation and operational reliability
  • Durable stainless steel construction ensures long-term performance in demanding environments
  • Efficient 5.7kW operation supports moderate hot water demands with energy efficiency

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 J35.7A Booster Heater Electric 5.7kW
Hubbell Water Heaters

Hubbell J35.7A Electric Booster Heater 5.7kW 3 Gallon Stainless Steel with Leak Detection

$2,359.88 $4,495.00

Hubbell Water Heaters, J35.7A, Booster Heater, electric, 5.7kW, 3-gallon storage capacity, ASME stamped stainless steel tank with CFC/HCFC free closed cell foam insulation, electronic display controller with low water cut-off & leak detection, stainless steel exterior, T&P relief valve, 6" adjustable plastic legs, UL, cUL, ASME, UL EPH (ANSI/NSF 5)