Key specifications

Dimensions
13.25"W × 13.0"D × 12.5"H
Type
Booster Heater
Material
Stainless Steel
Capacity
3 Gallons
Power Source
Electric
Watts
10.4 kW
Spec sheet

Hubbell Water Heaters J310 Electric Booster Heater, 3-Gallon, 10.4 kW, Digital Controls, Stainless Steel

$2,359.88
/each
Estimated to ship in 11–14 business days Free Shipping
Included: Hubbell Water Heaters warranty 1 year parts and labor; 10 years tank only

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Questions before you buy?

Talk to a specialist — usually within 1 hour, 9am–6pm EST.

Questions before you buy?

Talk to an equipment specialist about voltage, installation or the right size for your kitchen.
Usually within 1 hour, 9am–6pm EST.

Specifications

Type Booster Heater
Material Stainless Steel
Capacity 3 Gallons
Power Source Electric
Watts 10.4 kW
Controls Electronic Display Controller
Safety Features Low Water Cut-Off, Leak Detection
Insulation CFC/HCFC-Free Closed Cell Foam
Relief Valve T&P
Interlock Adapter 24 Volts

Description

The Hubbell Water Heaters J310 is an electric booster heater with 3-gallon storage capacity and a 10.4 kW rating.

  • Tank: ASME-stamped stainless steel with CFC/HCFC-free closed-cell foam insulation.
  • Controls: Electronic display controller with low water cut-off and leak detection.
  • Construction: Stainless steel exterior with a T&P relief valve.
  • Connection: Includes a 24-volt heater interlock adapter.

Overall Dimensions:

13.25"W x 13.0"D x 12.5"H

Product Weight:

46.0 lb

3-Gallon Storage

Provides a 3-gallon storage capacity.

10.4 kW Electric Operation

Electric booster heater rated at 10.4 kW.

ASME-Stamped Stainless Steel Tank

Tank is constructed from ASME-stamped stainless steel.

Closed-Cell Foam Insulation

Uses CFC/HCFC-free closed-cell foam insulation.

Electronic Display Controller

Electronic display controller provides the control interface.

Leak Detection and Low Water Cut-Off

Controller includes low water cut-off and leak detection.

Stainless Steel Exterior

Exterior is stainless steel.

T&P Relief Valve and Heater Interlock Adapter

Includes a T&P relief valve and 24-volt heater interlock adapter.

Documentation

Certifications & Compliance

Certified badge of NSF Certified
NSF Certified
Certified badge of UL Certified
UL Certified

Frequently Asked Questions

The J310 has a 3-gallon storage capacity.
Yes. It is an electric booster heater rated at 10.4 kW.
It has an electronic display controller with low water cut-off and leak detection.
The tank is ASME-stamped stainless steel, and the exterior is stainless steel.
The J310 is 13.25 inches wide, 13.0 inches deep and 12.5 inches high, with a listed weight of 46.0 pounds.

Need help deciding?

Our specialist can help you confirm dimensions, building requirements, and other important details before you buy. We usually reply within 1 hour.

or call (888) 307-5030