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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 J618S electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J618S Electric 18 kW Booster Heater 6 Gallon with Leak Detection

Hubbell  |  MFG #: J618S  |  Item #: 453096
Item: #453096

Technical details
Manufacturer Hubbell Water Heaters
Model Number J618S
Manufacturer Part # J618S
Wattage 12 - 19 Kilowatts
Width 11" - 19"
Height 19.75"
Width 13"
Depth 25"
Weight 95 lbs
UL Yes
UL EPH Yes
cUL Yes
NSF Yes

About this item

Product Details

The Hubbell J618S Booster Heater Electric 18.0 KW is a commercial-grade water heating solution designed for medium-volume foodservice operations requiring reliable on-demand hot water. This electric booster heater features an 18.0 kW power output housed within an ASME-stamped stainless steel tank, offering a 6-gallon storage capacity. Its CFC/HCFC free closed cell foam insulation enhances energy efficiency, while an electronic display controller with low water cut-off and leak detection ensures operational safety and minimal maintenance. This model is suitable for restaurant kitchens, institutional cafeterias, and catering facilities needing consistent hot water supply with precise temperature control and durability under demanding conditions.

Top Hubbell J618S Features

The Hubbell J618S Booster Heater features a compact stainless steel construction with electronic controls for precise operation. Its 6-gallon capacity and 18.0 kW power ensure rapid recovery suitable for moderate workloads. Designed for easy maintenance, it includes leak detection and low water cut-off functions, supporting reliable performance in busy commercial kitchens. Its robust design and insulation optimize energy use, making it an ideal fit for foodservice environments that demand durability and efficiency.

  • Capacity: 6-gallon storage for continuous hot water supply
  • Material: ASME-stamped stainless steel tank for corrosion resistance
  • Ease of Maintenance: Electronic display with leak detection simplifies troubleshooting
  • Application Fit: Suitable for restaurant prep stations and cafeterias
  • Performance: 18.0 kW power output ensures quick recovery and consistent temperature

Ideal for medium-demand foodservice operations requiring reliable hot water delivery with minimal downtime.

Hubbell J618S Technical Specs

The Hubbell J618S booster heater operates at an electrical specification of approximately 12-19 kilowatts, with an integrated UL and UL EPH certified design. It features a self-contained, air-cooled system housed within a durable stainless steel exterior, measuring 13 inches in width, 19.75 inches in height, and 25 inches deep. The unit weighs approximately 95 lbs. and is built for reliable performance in demanding environments, with dimensions suitable for installation in tight kitchen spaces. Its construction ensures compatibility with standard plumbing connections, and the robust foam insulation maintains operating temperatures efficiently. The electronic display includes leak detection and low water cut-off controls, facilitating straightforward operation and maintenance, with safety features supporting long-term use in high-use settings.

  • Electrical Requirements: 12-19 kW, suitable for 3-phase supply
  • Component Construction: Stainless steel tank with high durability finish
  • Dimensions: 13" W x 25" D x 19.75" H
  • Weight: 95 lbs
  • Certifications: UL and UL EPH approved for safety compliance
  • Installation: Must be connected with proper electrical and plumbing setup for optimal safety and performance

What is a commercial booster heater?

A commercial booster heater is a high-capacity water heating device designed to provide immediate hot water in foodservice settings. It is typically installed in restaurant kitchens and cafeterias to support appliances such as dishwashers and sinks that require high-temperature water. The Hubbell J618S booster heater combines a durable stainless steel tank, electronic controls, and an 18.0 kW power output, making it suitable for moderate-demand workflows. Its compact size and efficient insulation make it ideal for mid-volume operations that need reliable hot water with minimal energy waste, ensuring smooth workflow and operational consistency.

Top Booster Heaters for Foodservice Operations

Reliable and durable, the Hubbell J618S booster heater is designed for foodservice environments requiring efficient hot water generation during moderate workloads. Hubbell J618S offers robust stainless steel construction with electronic safety features, making it well-suited for restaurant kitchens, cafeterias, and catering facilities that rely on consistent hot water delivery and energy-efficient operation.

  • Operation in moderate-volume foodservice settings such as cafeterias
  • Suitable for compact commercial kitchens with limited space
  • Ideal for dishwashing and sanitation in institutional dining
  • Supports daily high-frequency hot water demands with reliable recovery
  • Designed for installation in environments with standard electrical and plumbing systems

Why Choose Hubbell J618S Booster Heater Electric

Hubbell J618S stands out from similar booster heaters due to its durable ASME-stamped stainless steel tank, precise electronic controls, and efficient energy use. Its compact footprint and leak detection enhance operational safety and ease maintenance, making it a reliable choice for busy commercial kitchens seeking consistent hot water performance without frequent downtime.

  • Self-contained design for simplified installation and maintenance
  • High-strength stainless steel for long-term durability
  • Energy-efficient foam insulation reduces operating costs
  • Advanced leak detection improves safety and reduces water waste
  • Compact footprint suitable for tight kitchen spaces

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 J618S Booster Heater Electric 18.0 KW
Hubbell Water Heaters

Hubbell J618S Electric 18 kW Booster Heater 6 Gallon with Leak Detection

$2,882.25 $5,490.00

Hubbell Water Heaters, J618S, Booster Heater, electric, 18.0 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)