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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 J636R electric booster heaters
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Hubbell J636R 18 Inch Electric Booster Heater with 36 kW and stainless steel

Hubbell  |  MFG #: J636R  |  Item #: 453117
Item: #453117

Technical details
Manufacturer Hubbell Water Heaters
Model Number J636R
Manufacturer Part # J636R
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 J636R Booster Heater Electric 36.0 KW is a commercial-grade hot water heating system designed for high-demand foodservice environments. Featuring a 6-gallon stainless steel tank with ASME compliance, it ensures reliable durability and efficient operation. Its electronic display controller provides precise temperature management, low water cut-off, and leak detection, making it suitable for restaurant kitchens, industrial caterers, and large-scale hospitality facilities requiring rapid hot water access and consistent performance. With a power output of 36.0 kW, this booster heater integrates seamlessly into complex plumbing and electrical setups, delivering dependable hot water for intensive operations.

Top Hubbell J636R Features

The Hubbell J636R booster heater offers advanced electronic control for accurate temperature regulation, durable ASME stainless steel construction for long-term use, and a compact footprint ideal for tight kitchen spaces. Its CFC/HCFC free foam insulation enhances energy efficiency, while the stainless steel exterior simplifies sanitation. The adjustable plastic legs facilitate installation flexibility, and integrated leak detection ensures operational safety. Designed for high-volume commercial applications, this unit supports continuous hot water supply in busy foodservice settings, reducing downtime and maintenance needs.

  • Powerful 36.0 kW heating element ensures rapid temperature recovery for busy kitchens
  • Constructed from ASME stamped stainless steel for corrosion resistance and durability
  • Electronic display controller simplifies temperature adjustments and diagnostics
  • Closed cell foam insulation maintains energy efficiency and minimizes heat loss
  • Easy-access components streamline maintenance and repair routines

Ideal for commercial foodservice operations requiring reliable hot water augmentation during peak demand periods.

Hubbell J636R Technical Specs

The Hubbell J636R booster heater operates on a three-phase electrical supply with a voltage range of 208/240V at 60Hz and consumes up to 36.0 kW, making it suitable for integration into standard commercial power systems. The unit measures approximately 18" in height, with a width adjustable between 11" and 19", and a depth of 29.13". Built with a stainless steel tank, it weighs about 110 lbs, ensuring durability and ease of installation. The system features UL and UL EPH certification, confirming compliance with industry safety standards. The self-contained design supports high-volume output with a 6-gallon capacity, making it optimal for providing steady hot water in demanding foodservice environments.

  • Electrical Requirements: 208/240V, 3-phase, 36.0 kW
  • Cooling Method: Self-contained design with built-in insulation
  • Production Capacity: Supports continuous operation for large-scale foodservice facilities
  • Construction & Finish: Stainless steel exterior for sanitation and longevity
  • Dimensions: 18" W x 29.13" D x 18" H
  • Weight: 110 lbs
  • Operating Range: Designed for standard commercial plumbing and electrical setups

Ensure proper clearance for ventilation and easy access for maintenance

Connect to existing hot water supply lines with appropriate plumbing fittings

Require sufficient electrical wiring and dedicated circuit capacity

Position on level, stable surfaces to prevent damage

Regular inspections of leak detection and safety controls recommended

What is a commercial booster heater?

A commercial booster heater is a high-capacity water heating device designed to increase the temperature of existing hot water supplies in busy foodservice environments. The Hubbell J636R booster heater is a self-contained, electric system featuring a stainless steel tank with a 36.0 kW heating element, supporting consistent hot water delivery for large-scale kitchens, cafeterias, and industrial food preparation facilities. It is primarily installed inline with existing water sources to elevate water temperatures efficiently, making it well-suited for applications requiring rapid recovery and high-volume output, such as restaurant chains, catering operations, and institutional foodservice setups.

Top commercial booster heater for high-demand hospitality settings

The Hubbell J636R booster heater is built with heavy-duty stainless steel construction, delivering reliable performance and energy efficiency. Designed for high-volume foodservice applications, it supports continuous hot water supply for busy kitchens, production areas, or large-scale catering operations, ensuring operational consistency without interruption. Hubbell J636R offers precise electronic control and robust durability suited for demanding hospitality environments.

  • Large-capacity support for high-volume foodservice environments
  • Compact footprint ideal for tight commercial kitchen spaces
  • Self-contained, easy-to-maintain design for quick service
  • High thermal efficiency reduces operating costs
  • Reliable stainless steel construction extends equipment lifespan

Why Choose Hubbell J636R Booster Heater Electric

Hubbell J636R booster heater distinguishes itself with its heavy-duty stainless steel tank, precise electronic control system, and energy-efficient insulation, supporting demanding foodservice workflows. Its reliable performance reduces downtime, while its robust construction ensures long-term durability, making it superior to many competitor models. The unit’s compact design facilitates flexible installation in high-traffic commercial kitchens, providing a dependable hot water boost for large-scale operations and continuous workflow enhancement.

  • Self-contained and easily integrated into existing plumbing systems
  • Constructed from corrosion-resistant stainless steel for prolonged usage
  • Advanced electronic controls improve operational accuracy and diagnostics
  • Compact footprint suitable for space-constrained kitchens
  • Designed for high-output applications supporting busy foodservice environments

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 J636R Booster Heater Electric 36.0 KW
Hubbell Water Heaters

Hubbell J636R 18 Inch Electric Booster Heater with 36 kW and stainless steel

$4,543.01 $7,825.00

Hubbell Water Heaters, J636R, Booster Heater, electric, 36.0 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)