Knaack Model 79-DH STORAGEMASTER® Chest / JUNK TRUNK™ THERMOSTEEL™ Heated Storage
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Knaack Model 79-DH STORAGEMASTER® Chest / JUNK TRUNK™ THERMOSTEEL™ Heated Storage

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420.00 LBS

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The Model 79-DH STORAGEMASTER® Piano Box with Junk Trunk™ and ThermoSteel™ measures 48 in wide, 49 in tall and has a capacity of 36.2 cu ft. Ideal for every trade, it is caster-ready and includes full-width shelves for organization of tools and supplies. Featuring an independent locking drawer for quick access to high-demand tools and accessories, and heated storage to keep everything at the optimal temperature. It also features a bi-fold cover which folds completely out of the way for unrestricted access and fits perfectly in the width of a full-size truck bed.


  • ThermoSteel™ heated storage saves money, reduces downtime, and prevents ruined material due to cold temperatures.
  • Heated storage keeps everything at the optimal temperature, just plug in the heating element when jobsite temperature is less than 40?F
  • Junk Trunk™ quick access independent locking drawers provide quick access to high demand tools
  • Raised Chest Floor allows you to easily reach and find your tools at the bottom of the chest without over-reaching
  • WATCHMAN® IV Lock System with recessed lock housing for protection against theft
  • Mobilize the KNAACK® box easily with optional wheel casters, 4-way skid access, and recessed side handles
  • Piano box lids are supported with dual gas struts to assist in opening the box lid
  • Heavy-duty hinges are extra durable and resist pry-ins
  • Powder-coat finish for superior durability and corrosion resistance
  • Four-way skids allow access from any side, making it easier and faster to transport
  • Recessed handles
  • Gas spring guards to prevent damage from shifting loads
  • Improved ball stud bracket provides added strength reduces the potential for breakage and improves durability
  • When the cover is closed, chest can be used as a work table
  • The workhorses on any jobsite, STORAGEMASTER® is ideal for every trade — mechanical, plumbing, HVAC, electrical, rough and finish carpentry


FeatureSize / Details
Style Piano Boxes
Brand ThermoSteel™
Color Tan
Height 49 in
Width 30 in
Length 48 in
Approx. Shipping Wt. Lbs. 420
Approx. Cu. Ft. Per Unit 38.2
Material Steel
Closed Height 49 in
Electrical Access Power Pass® Electrical Pass-Thru
Includes Casters No
Lock System WATCHMAN® IV Lock System
Open Height 78 in
Powder Coat Finish Yes

Additional Info

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Shipping & Returns

Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.