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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 J630T4 electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J630T4 11 to 19 Inch Electric Booster Heater with Stainless Steel Tank

Hubbell  |  MFG #: J630T4  |  Item #: 453114
Item: #453114

Technical details
Manufacturer Hubbell Water Heaters
Model Number J630T4
Manufacturer Part # J630T4
Width 11" - 19"
Wattage 20 - 40 Kilowatts
Height 18"
Width 18"
Depth 29.13"
Weight 110 lbs
UL Yes
UL EPH Yes
cUL Yes
NSF Yes

About this item

Product Details

The Hubbell J630T4 Booster Heater, Electric is a commercial-grade heating unit designed specifically for high-demand foodservice operations. With a power rating of 30.0 kW, it delivers consistent hot water output suited for restaurants, catering, or institutional kitchens. Its ASME stamped stainless steel tank offers durability and corrosion resistance, while the electronic display controller with low water cut-off and leak detection enhances operational reliability. The unit’s precise construction and integrated safety features ensure efficient performance in demanding environments, supporting workflows that require rapid and stable hot water supply in medium-volume kitchens.

Top Hubbell J630T4 Features

The Hubbell J630T4 Booster Heater combines robust construction with advanced electronic controls for dependable performance. Its 6-gallon stainless steel tank facilitates quick recovery times, ideal for mid-volume foodservice settings. Easy-to-access adjustable plastic legs simplify installation and maintenance, while comprehensive safety features such as leak detection and low water cut-off prevent operational downtime. Designed for commercial environments, it integrates seamlessly with existing plumbing and electrical systems, ensuring consistent hot water delivery during peak kitchen hours.

  • Functionality: Provides 30 kW of power for rapid hot water supply
  • Durability: Stainless steel tank resists corrosion and high temperatures
  • Ease of Maintenance: Electronic display with low water cut-off simplifies troubleshooting
  • Application Suitability: Fits into commercial kitchens with 6-gallon storage capacity
  • Workflow Integration: Pressure reducing valve with by-pass supports system compatibility

Ideal for installation in medium-volume restaurant kitchens demanding reliable hot water performance

Hubbell J630T4 Technical Specs

The Hubbell J630T4 Booster Heater operates on a 240V single-phase electrical supply, consuming approximately 30 kW of power to deliver continuous hot water suited for demanding foodservice applications. Its self-contained design with an air-cooled system ensures efficient heat management, while the tank's stainless steel construction offers high durability for daily operation. The unit's dimensions—11" to 19" in width, 18" in height, and 29.13" in depth—allow for flexible installation in compact spaces, with a shipping weight of 110 lbs. Key features include UL and UL EPH listings, with the tank fully insulated using CFC/HCFC free closed cell foam, maintaining high energy efficiency. The unit’s temperature resistance spans typical operating ranges, supporting sanitation and safety compliance in commercial kitchens. The package includes essential safety components such as T&P gauge and T&P relief valve, along with an electronic display controller for precise management.

  • Electrical Requirements: 240V, single-phase, 30 kW
  • Cooling Method: Air-cooled system
  • Production Capacity: Supports continuous hot water in medium-demand settings
  • Construction & Finish: ASME stamped stainless steel tank with insulation
  • Dimensions: 11"-19" W x 18" H x 29.13" D
  • Weight: 110 lbs (unit weight)
  • Electrical Compatibility & Plumbing: Requires 240V single-phase supply and appropriate plumbing connections
  • Installation Clearance: Adequate space around for airflow and service access
  • Drainage and Ventilation: Proper drainage setup with ventilation provisions required
  • Maintenance Routine: Easy access for inspection, with disassembly as per maintenance guidelines
  • Workflow Compatibility: Fits into systems with pressure reducing valves and leak detection

What is a commercial booster heater

A commercial booster heater is a high-capacity water heating device designed to ensure rapid and reliable hot water supply in foodservice environments. These units typically feature durable materials such as stainless steel and high-wattage elements like 30.0 kW models, suitable for medium-volume demand settings. Installed in restaurant or institutional kitchens, they support workflows that require consistent hot water for sanitation, cooking, or cleaning processes. The Hubbell J630T4 Booster Heater, with its self-contained, air-cooled design and stainless steel construction, is optimized for settings where durability and performance are critical, making it ideal for mid-volume restaurant operations or catering services that demand quick recovery times and energy efficiency.

Top Commercial Booster Heaters for Mid-Volume Foodservice

Designed for medium-demand kitchen environments, Hubbell J630T4 Booster Heater offers robust performance, durable stainless steel construction, and integrated safety features, supporting efficient operation in restaurant or cafeteria settings—perfect for operational reliability and workflow efficiency. Hubbell J630T4 delivers consistent hot water in medium-volume commercial kitchens for reliable sanitation and food prep throughput.

  • Operation Type — suited for restaurant and cafeteria kitchens
  • Kitchen Setting — ideal for medium-volume foodservice operations
  • Foodservice Category — best for institutional kitchens requiring steady hot water
  • Workload Qualifier — supports moderate throughput and continuous demand
  • Use Case — enhances sanitation, cleaning, and food prep processes

Why Choose Hubbell J630T4 Booster Heater

Hubbell J630T4 stands out among commercial booster heaters due to its robust stainless steel construction, advanced electronic controls, and reliable safety features. Its self-contained design ensures seamless integration into plumbing systems, while its high-wattage 30 kW power rating supports rapid recovery in demanding kitchens. The unit’s durable build, combined with leak detection and low water cut-off, minimizes downtime and maintenance, offering a long-term, restaurant-ready solution that enhances operational efficiency without compromising safety or performance.

  • Compact footprint suitable for limited-space kitchen installations
  • Self-contained, plug-and-play design simplifies setup and servicing
  • Highly durable stainless steel tank ensures longevity in intensive use
  • Advanced electronic controls for precise temperature management
  • Supports steady hot water supply in demanding foodservice workflows

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 J630T4 Booster Heater Electric 30.0 KW
Hubbell Water Heaters

Hubbell J630T4 11 to 19 Inch Electric Booster Heater with Stainless Steel Tank

$4,430.69 $7,485.00

Hubbell Water Heaters, J630T4, Booster Heater, electric, 30.0 kW, 6-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, pressure reducing valve with by-pass, T&P gauge, T&P relief valve, adjustable plastic legs, UL, cUL, ASME, UL EPH (ANSI/NSF 5)