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Keen K-4RS Spooled Wire Holding Oven - Bench

Storage Capacity : Four 33 lb/12” Spools

Temperature Range : Ambient-250F

Purpose: To provide heated storage of flux-cored welding wire in order to avert hydrogen deposits in the final weld.

Availability: In stock

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Brief Product Description:

Don’t risk introducing excess hydrogen into the final weld- avert it by storing your welding wire spools in the Keen K-4RS storage oven. Purpose-built for spooled and coiled FCAW wire, the K-4RS welding oven features a sturdy cradled shelf, welded construction and the necessary temperature range to prevent moisture-absorption in the FCAW welding wire core. Perfect for the shop bench, this high-quality, American-made welding oven by Keen will last many years and provide insurance against weld defects. Standard features include: a resilient powder-coated finish; welded door hinges, welded construction, 500W of consistent, reliable heat; external dial-adjustable capillary thermostat and more. The Keen K-4RS spooled wire oven also inhibits rusting in metal-cored FCAW wire, SAW welding wire and MIG welding wire.

Product Overview

About the K-4RS Bench Top Spooled Wire Oven – 4 / 12” (33 lb.) Spools

The K-4RS stores 4 / 12" (33 lb.) FCAW wire spools and is an economical choice for shops that need to centrally store their consumables for long-term, 24/7 moisture protection. Our K-4RS model maintains welding rods at ideal temperatures to prevent moisture pick-up and to optimize welds.

Our bench-top spooled wire ovens are an excellent choice for small to medium-sized shops. Too large to be considered portable, yet small and light enough when empty to be picked up by two people, bench ovens are an economical choice when a large floor oven is not required. Bench models are designed to be placed upon a bench or other stable surface for easy loading and unloading.

Heavy-Duty Construction and Performance Heating

The K-4RS has a solid steel construction for long product life and durability. The exterior is powder-coated in KEEN blue and features a rugged door handle, tack-welded door hinges, heavy-duty storage shelves and 1" (2.54 cm) thermal insulating wool for energy-efficiency. The K-4RS features a long-lasting 500W Incoloy-sheathed tubular heating element for effective heating. An external dial-adjustable thermostat is standard equipment. An optional thermometer accessory is available for the K-4RS and is installed in the door (P/N 301127).

Shelving Design

The perforated, cradled shelving in the K-4RS allows for natural convection within the oven and enables the spools to be supported on their sides without rolling out. The reinforced shelves are supported by a welded-in steel bar for stability and to prevent bending. Beneath the perforated shelves lies the tubular heating element, thus the spools are protected against contact with the heating element. With our shelving design, you can be assured that heat will reach your consumables safely and effectively and prevent atmospheric moisture contamination.


We have the unmatched ability to customize any of our standard ovens, and/or design one-of-a-kind ovens for unique storage requirements. Welding codes are constantly changing, and Keen is ready to meet the demands of today’s welders. Please visit our website http://www.keenovens.com for more information about our products and detailed technical information about welding consumable storage.

Technical Details

Part Number 010503 (120V – 1 phase), 010504 (240V – 1 Phase)
Oven Category Bench – Wire Spool Oven
Wire Capacity ( # of Spools) 4 each 12” Spools
Standard Voltages Available 120V, 240V
Wattage 500 W
Temperature Range (°F) Ambient - 250°F
Temperature Range (°C) Ambient -121.1°C
Thermostat External Dial - Range 150°F-250°F
Insulation 1" (2.54cm) Thermal Wool
Interior Dimensions (IN) 18.25” D x 18” W x 18” L
Interior Dimensions (CM) 46.36cm D x 45.72cm W x 45.72cm L
Exterior Dimensions (IN) 23” L x 23” W x 22” H
Exterior Dimensions (CM) 58.42cm L x 58.42cm W x 81.28cm H
External Thermometer Not standard - separate accessory only
Net Weight (LBS) 100 lbs.
Net Weight (KGS) 45.36 kgs
Shipping Dimensions (IN) 31” L x 33” W x 32” H
Shipping Dimensions (CM) 78.74cm L x 83.82cm W x 81.28cm H
Shipping Weight (LBS) 145 lbs. (box) 240 lbs. (crate)
Shipping Weight (KGS) 65.77 kgs.
Power Cord Length 8 ft.
“ON” Indicating Light Yes
CSA Approval Yes
UL Approval No
Accessories 301127 Optional Door Thermometer
Similar Keen Ovens K-4RSM, K-4RSD, K-1000M&T, K-MPO
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