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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 J627R electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J627R 6-Gallon Booster Heater Electric with Electronic Control

Hubbell  |  MFG #: J627R  |  Item #: 453107
Item: #453107

Technical details
Manufacturer Hubbell Water Heaters
Model Number J627R
Manufacturer Part # J627R
Wattage 20 - 40 Kilowatts
Width 11" - 19"
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 J627R Booster Heater Electric 27.0 KW is a commercial-grade water heating solution designed for applications requiring rapid temperature increases and consistent hot water output. This booster heater features a 6-gallon stainless steel tank with ASME stamping, ensuring durability and compliance for demanding foodservice environments. With a high wattage of 27.0 kW and a robust construction, it provides reliable performance in restaurants, cafeterias, and institutional kitchens, delivering precise temperature control through an electronic display controller with low water cut-off and leak detection capabilities.

Top Hubbell J627R Features

This booster heater is engineered for medium-volume foodservice settings, integrating an ASME stainless steel tank and advanced electronic controls for optimal reliability. Its 6-gallon capacity supports continuous operation with easy maintenance access, making it suitable for kitchen installations needing quick hot water boosts. The unit’s 27.0 kW power ensures rapid heating and minimal downtime, ideal for high-demand food prep areas and beverage stations.

  • Rapid thermal response — supports quick hot water delivery during peak hours
  • Durable stainless steel construction — withstands rigorous commercial use with corrosion resistance
  • Integrated leak detection systems — simplifies maintenance and prevents damage
  • Compact footprint with easy mounting — fits into multi-unit kitchen layouts efficiently
  • Electronic control panel — facilitates precise temperature adjustments and monitoring

Designed for commercial foodservice environments needing reliable water heating for high-volume workflows.

Hubbell J627R Technical Specs

The Hubbell J627R Booster Heater operates with a dual-phase electrical connection, requiring approximately 27.0 kW of power, configured for standard commercial voltage and frequency. Its stainless steel tank is ASME stamped, measuring 18 inches in height, with a width ranging from 11 to 19 inches and a depth of approximately 29.13 inches, supporting a 6-gallon capacity. The unit weighs 110 lbs, designed for robust installation in busy kitchens. It features UL and UL EPH listings, ensuring safety standards compliance. The water-cooled design facilitates efficient operation with a focus on longevity and performance. The exterior finish is stainless steel, resistant to corrosion and easy to clean, making maintenance straightforward. Operating temperature range and maximum temperature limits are suited to high-demand foodservice applications. The unit includes a pressure reducing valve with bypass, a T&P gauge, and a relief valve, forming a comprehensive safety and performance package. The integrated electronic controller manages low water cutoff and leak detection, supporting operational safety and efficiency.

  • Electrical Requirements: 27.0 kW, dual-phase, standard voltage
  • Capacity: 6-gallon stainless steel tank with ASME stamp
  • Dimensions: 18" high, 11"–19" wide, 29.13" deep
  • Weight: 110 lbs for stable installation
  • Construction & Finish: ASME stamped stainless steel exterior
  • Efficiency & Safety Features: Electronic display, leak detection, T&P gauge, relief valve

Electrical compatibility & plumbing requirement: Three-phase electrical supply, pressure regulation with bypass

Cooling method: Water-cooled for continuous operation and durability

Installation clearance: Adequate airflow and plumbing access needed for optimal performance

Maintenance routine: Periodic inspection of leak detection and valves recommended

Use environment: Suitable for commercial kitchens with moderate to high hot water demand

What is a commercial booster heater?

A commercial booster heater is a specialized water heating appliance designed to rapidly increase the temperature of stored or incoming water for high-demand foodservice operations. The Hubbell J627R is an example of such equipment, featuring a 6-gallon stainless steel tank with ASME certification, capable of delivering consistent hot water through 27.0 kW heating elements. Installed in restaurant or institutional kitchens, it supports applications like dishwashing, beverage dispensing, and prep stations, where reliable and immediate hot water access is essential for efficient workflow and sanitation standards.

Top Booster Heaters for Medium-Volume Foodservice Settings

Commercial booster heaters like the Hubbell J627R ensure reliable hot water supply in moderate- to high-demand kitchens, built with durable stainless steel and advanced electronic controls. Designed for operation in restaurant, cafeteria, or institutional environments, they optimize workflows by providing quick heating andeasy maintenance, supporting efficient foodservice operations with sustained performance.

  • Operation in moderate-volume restaurant kitchens
  • Designed for compact commercial spaces
  • Ideal for dishwashing and beverage prep areas
  • Supports moderate throughput workflows
  • Suitable for water heating in foodservice applications

Why Choose Hubbell J627R Booster Heater

Compared to similar commercial booster heaters, the Hubbell J627R offers superior construction with an ASME stamped stainless steel tank, advanced electronic controls, and leak detection. Its 27.0 kW power rating ensures rapid heating, while the compact design facilitates seamless integration into commercial kitchens. Enhanced safety features and reliable durability set it apart in demanding foodservice environments, improving operational efficiency and water temperature consistency.

  • Self-contained design with integrated safety features
  • Robust stainless steel construction for longevity
  • Fast heating with high wattage performance
  • Ease of maintenance with access panels and control systems
  • Optimized for restaurant-ready throughput

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 J627R Booster Heater Electric 27.0 KW
Hubbell Water Heaters

Hubbell J627R 6-Gallon Booster Heater Electric with Electronic Control

$4,331.44 $7,420.00

Hubbell Water Heaters, J627R, Booster Heater, electric, 27.0 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)