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TFO-28 Forced Air Lab Oven


Part Id: CTF2823-H

Forced air oven ideal for drying, curing, and baking in laboratory or industrial environments

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Product Description

Cascade TEK’s Model TFO-28 is a large-capacity forced air-drying oven designed to meet both manufacturing and laboratory requirements. Our largest floor-to-ceiling workspace can be easily integrated into manufacturing workflow and is our best value per cubic foot of heated space. The TFO-28 is often used for soil drying, large electronic components, and bake-out.

Important Standard Oven Features

• Programmable Watlow PM9 Plus ramp and soak controller can store and execute different drying profiles.
• Independent Over Temperature Protection Failsafe
• Rear access port allows for feedthrough, power cable connections into the oven
• Adjustable shelves included
• Analog Output
• Ovens are in stock and ready to ship
• Made in USA with a 100% 2-year warranty

Customized to Meet Your Specific Application

Cascade TEK understands that every requirement is unique. Ask about modifying our ovens to meet your exact requirements. Popular modifications include:

• Upgrade to Watlow F4T Touchscreen Controller with integrated Datalogging capabilities
• Additional Serial communication capabilities including Modbus® RTU, EtherNet/IP™, Modbus® TCP, PROFIBUS DP,
DeviceNet™ and J1939 CAN bus
• Additional access ports for feedthrough and power connections
• Additional shelves or custom racks to maximize oven capacity
• Also available in 220V configurations
• NIST traceable calibrations
• Factory Acceptance Testing (FAT)
• Chart recorders

See our list of forced air ovens accessories for more options

• Before 2024 upgrade to Watlow PM9 Plus unit controllers from the discontinued Watlow EZ Controllers product manual are located on our resources page

Product Specifications


28 cu.ft. (792 liters)

Interior Dimensions (W x D x H)

31.7" x 26.0" x 60.9" (805 x 660 x 1546mm)

Exterior Dimensions (W x D x H)

42.5" x 34.1" x 85.9" (1080 x 866 x 2182mm)

Unit Weight

569.4 lb (258.3 kg)

Shipping Weight

694 lb (315kg)


6 standard, 12 maximum

Access Port

3" Rear


2-Year Limited Warranty


50/60Hz, AC, 1Ø



Temperature Range

15°C above ambient to 306°C

Heat-Up Time

15 minutes to 150ºC

Recovery after Door Opening (30 Sec.)

3 minutes to 150ºC

Temperature Uniformity


Flow Rate

44 CFM

Safety Certifications

TÜV SÜD America: Canada CSA 61010-1, USA UL 61010-1, EU EN 61010-1, CE