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KNAACK® ThermoSteel™ Heated Storage

More Productivity
Saves money, reduces downtime, and prevents damaged materials due to cold weather

Heated Storage
Keeps adhesives, batteries, tools and so much more at optimal temperature

Easy To Use
Just plug in when jobsite temperature is less than 40˚F

KNAACK Security
Watchman® IV Lock System provides independent locking for both the chest and Junk Trunk™ quick access drawers


KNAACK® ThermoSteel™ Heated Storage is the first jobsite storage box with built-in heated storage to keep everything at the optimal temperature. ThermoSteel™ Heated Storage saves money, reduces downtime, and prevents ruined material due to cold temperatures. Store anything at the optimal temperature including adhesives, paints, batteries, electronics, safety gear, personal protective gear, tools, and accessories.  KNAACK® ThermoSteel™ Heated Storage is available in four models, 79-H, 79-DH, 89-H, 89-DH, and all models include a TOOL KAGE™ door & thermal blanket. 



Series Model Matrix

Model No.Approx. Shipping Weight lb (kg)Approx. Cu. Ft. Per UnitClosed HeightMax. Open Extended HeightBrandBuy Online
1000405 (183.7)4854-1/2 in80 inMONSTER BOX®
When cover is closed, chest can be used as a work table.
282 (127.9)35.337 in66 inJOBMASTER®
79287 (130.2)38.249 in78 inSTORAGEMASTER®
79-D400 (181.4)36.249 in78 inSTORAGEMASTER®
79-DH420 (190.5)38.249 in78 inSTORAGEMASTER®
79-H300 (136.1)36.249 in78 inSTORAGEMASTER®
89337 (152.9)47.849 in78 inSTORAGEMASTER®
89-D510 (231.3)43.849 in78 inSTORAGEMASTER®
89-DH530 (240.4)47.849 in78 inSTORAGEMASTER®
89-H350 (158.8)43.849 in78 inSTORAGEMASTER®
90380 (172.4)57.549 in78 inSTORAGEMASTER®
91409 (185.6)57.549 in78 inSTORAGEMASTER®