
6-21-299-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $145.57 | Condition is New – Open box, Watlow Heater 6-21-299-1 (not used, mild surface oxidation), shipping cost = $30.07 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $492.42 | Condition is New, WATLOW 6-21-299-1 / 6212991 (BRAND NEW), shipping cost = $36.39 | 99.3% |



The Watlow 6-21-299-1 is a high-performance immersion/tubular flange heater designed for industrial applications. This heater is rated at 10kW and operates on a three-phase power supply, making it suitable for a wide range of industrial processes. It is available in both 240V and 480V AC voltage options, providing flexibility in terms of electrical infrastructure.
The heater features a flange design, which allows for easy installation and integration into various types of tanks and vessels. The flange is available in different sizes to accommodate various pipe sizes and tank dimensions. The immersion/tubular design allows for direct heating of fluids, providing efficient and uniform heat distribution.
The Watlow 6-21-299-1 is made of high-quality materials, including a stainless steel sheath and a ceramic element. These materials provide excellent corrosion resistance and durability, ensuring long-term performance and reliability in harsh industrial environments. The ceramic element is designed for high temperature operation, with a maximum operating temperature of up to 850 C (1562 F).
The heater is also equipped with a high-quality temperature controller, which allows for precise temperature regulation and control. The controller can be programmed to operate within a specific temperature range, ensuring that the fluid temperature is maintained at the desired level. The controller is also equipped with safety features, such as over-temperature protection and fault detection, to ensure the safe operation of the heater.
In conclusion, the Watlow 6-21-299-1 is a versatile and high-performance immersion/tubular flange heater that is suitable for a wide range of industrial applications. Its flange design, high-quality materials, and temperature controller make it an excellent choice for reliable and efficient heat transfer in industrial processes.
Pros of buying a Watlow 6-21-299-1 immersion/tubular flange heater:1. High Power Output: The heater has a power output of 10kW, making it suitable for high-temperature applications.
2. Versatile Voltage Options: It is available in both 240V and 480VAC, allowing for flexibility in installation.
3. Three-Phase Operation: The three-phase operation ensures efficient and reliable operation, reducing energy consumption.
4. Robust Design: The heater is made of high-quality materials and is designed for long-term durability, ensuring reliable performance over time.
5. Temperature Control: It has a temperature control feature that allows for precise temperature regulation, ensuring optimal performance.
Cons of buying a Watlow 6-21-299-1 immersion/tubular flange heater:1. High Cost: The heater is relatively expensive compared to other heaters in the market, which may be a deterrent for some buyers.
2. Complex Installation: The installation of the heater may require professional assistance due to its complex design and high power output.
3. Limited Application: The heater is primarily designed for immersion and tubular applications, which may limit its use in other applications.
Conclusion:The Watlow 6-21-299-1 immersion/tubular flange heater is a high-quality, reliable, and efficient heater with a high power output of 10kW. Its versatile voltage options and three-phase operation make it a suitable choice for various industrial applications. However, its high cost and complex installation may be a deterrent for some buyers. If the high power output and versatility are important factors in your application, the Watlow heater is a worthwhile investment.
Recommendation:If you require a high-power heater for immersion or tubular applications, the Watlow 6-21-299-1 immersion/tubular flange heater is a suitable choice. However, it is recommended to consult a professional for installation and to ensure that the heater is suitable for your specific application requirements. Additionally, consider the cost-benefit analysis before making a purchase decision.
Details:
Note that this price is for one unit even though multiple are pictured. Untested but presumed to be working well.
specifications maxohvac:
- brand: Watlow
- mpn: 6-21-299-1
- part type: Flange Heater
offer maxohvac:
- started: october 18, 2024
- availability: in stock
- sold #: 29
- options: ship-to-home
- prices: $145.57–$492.42
- item condition:
- New – Open box
- New
- best offers: true
- in stock #: 2
returns maxohvac:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: seller
shipping maxohvac:
- class: expedited, standard
- service: usps priority mail, fedex ground or fedex home delivery
- type: calculated
- transit: 5-10 days
- carrier: usps, fedex
seller maxohvac:
- rating: 99.5%
- city: chicago, illinois
- # reviews: 1698
payments maxohvac:
- wallet: apple-pay
- credit card: mastercard
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
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