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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 J630S electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J630S 18 Inch Electric Booster Heater with 30.0 kW Output

Hubbell  |  MFG #: J630S  |  Item #: 453111
Item: #453111

Technical details
Manufacturer Hubbell Water Heaters
Model Number J630S
Manufacturer Part # J630S
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 J630S Booster Heater Electric 30.0 KW is a commercial-grade water heating solution designed for high-demand applications, featuring a stainless steel ASME stamped tank with CFC/HCFC free closed cell foam insulation for optimal thermal efficiency. It provides 6-gallon storage capacity and delivers consistent hot water performance for foodservice operations. Its electronic display controller incorporates low water cut-off and leak detection functionalities, ensuring operational safety and reliability, making it an ideal component for restaurant kitchens, institutional cafeterias, and hospitality facilities requiring precise hot water management.

Top Hubbell J630S Features

The Hubbell J630S booster heater offers robust performance with a 30.0 kW wattage and 6-gallon capacity suited for moderate commercial foodservice workflows. Constructed with durable stainless steel and featuring an electronic control system, it simplifies maintenance through accessible service ports and leak detection. Its integrated pressure reducing valve with by-pass and T&P gauge support seamless plumbing integration in high-volume kitchen environments, facilitating efficient hot water circulation and quick service setup.

  • High wattage performance supports continuous hot water flow in busy kitchens
  • Stainless steel construction provides corrosion resistance and longevity
  • Electronically controlled operation ensures precise temperature regulation and safety
  • Designed for easy maintenance with accessible service points and leak detection
  • Ideal for moderate workloads in restaurants, cafeterias, and catering facilities

Suitable for installations requiring reliable hot water supply in commercial foodservice environments

Hubbell J630S Technical Specs

The Hubbell J630S booster heater operates on a power supply of 208/240V at 60Hz, with three-phase electrical input supporting 20-40 kilowatts of wattage. Its stainless steel tank measures 18 inches in height, 18 inches in width, and 29.13 inches in depth, with a weight of 110 pounds. The unit features UL and UL EPH listings, ensuring compliance with industry standards. Its design includes insulation with CFC/HCFC free closed cell foam, maintaining energy efficiency. The unit’s operating temperature range extends comfortably within typical hot water demands, and it is compatible with standard plumbing fittings for straightforward installation. The exterior finish is stainless steel, ensuring durability in demanding kitchen settings. The unit's internal components are designed for long-term performance, with disassembly points for routine maintenance. Dimensions and weight facilitate versatile placement in utility rooms or service closets, supporting efficient workflow.

  • Electrical Requirements: 208/240V, 60Hz, three-phase, supports up to 40kW
  • Construction and Finish: ASME stainless steel tank with insulation, stainless exterior
  • Capacity and Size: 6-gallon storage, 18" x 18" x 29.13", 110 lbs.
  • Standards and Certification: UL and UL EPH approved for commercial use
  • Temperature Resistance: Operating within typical hot water ranges, max temperature safe
  • Included Components: Pressure reducing valve, T&P gauge, leak detection sensors
  • Electrical Compatibility & Plumbing: Requires three-phase power supply, standard plumbing fittings
  • Clearance & Ventilation: Maintain manufacturer-specified airflow for safe operation
  • Drainage & Maintenance: Accessible drain connections, routine flushing recommended
  • Installation Space: Fits compact utility closets or service rooms with proper clearance
  • Workflow Integration: Designed for seamless connection in commercial hot water systems

What is a commercial booster heater?

A commercial booster heater is a high-performance water heating device designed to increase the temperature and supply of hot water within a foodservice environment. It typically features a durable construction, such as stainless steel tanks, with precise electronic controls and safety features. Installed in restaurant kitchens, cafeterias, or industrial food prep stations, these units provide reliable hot water for dishwashing, cooking, and cleaning, supporting moderate to large workload demands. The Hubbell J630S booster heater exemplifies this category, making it suitable for establishments requiring steady, high-temperature water supply for food safety and operational efficiency.

Top commercial booster heaters for moderate- to high-volume foodservice operations

Designed for reliable high-demand hot water applications, the Hubbell J630S booster heater offers robust build quality, precise control, and seamless integration. Ideal for medium-volume restaurant kitchens and institutional cafeterias, this unit ensures consistent performance in demanding environments. Hubbell J630S stands out for its durable stainless steel construction, energy-efficient operation, and ease of service, supporting continuous workflow in foodservice facilities. The model’s compact footprint and safety features make it a practical choice for commercial kitchen setups needing dependable hot water supply.

  • Operation for medium-volume foodservice environments
  • Suitable for compact commercial kitchen spaces
  • Ideal for institutional cafeterias and catering services
  • Supports moderate throughput and continuous hot water demand
  • Designed for installation in restaurant and food prep facilities

Why Choose Hubbell J630S Booster Heater Electric 30.0 KW?

Hubbell J630S stands out among commercial booster heaters with its durable stainless steel ASME stamped tank, electronically advanced control system, and comprehensive safety features. Its corrosion-resistant construction and energy-efficient insulation enhance operational longevity, reducing maintenance and downtime. Compared to competitors, the J630S offers a compact yet powerful footprint, supporting efficient workflow in demanding foodservice environments while maintaining high safety standards and easy serviceability.

  • Self-contained design simplifies installation and maintenance
  • Robust stainless steel tank resists corrosion and wear
  • Advanced electronic control ensures precise temperature management
  • Compact footprint supports versatile kitchen placements
  • High wattage upgrading facilitates steady hot water supply

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 J630S Booster Heater Electric 30.0 KW
Hubbell Water Heaters

Hubbell J630S 18 Inch Electric Booster Heater with 30.0 kW Output

$4,023.78 $7,485.00

Hubbell Water Heaters, J630S, 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)