WATLOW U6-21-284-1 Standard Water Heaters

( Brand: Watlow ), ( Manufacturer Part Number: U6-21-284-1 ), ( Part Type: Water Heater )

Review WATLOW U6212841 Used

The Watlow U6-21-284-1, also known as the U6212841, is a versatile and reliable temperature controller designed for various industrial heating applications. This device is part of Watlow's U6 Series, which offers advanced features and precise temperature control.

The U6212841 is a 2-output temperature controller with a wide temperature range of -40 C to 350 C (-40 F to 662 F). Each output can handle up to 10A of current and 24VAC or 115VAC voltage. The temperature sensors are independently selectable for J, K, T, E, or RTD types, allowing this controller to accommodate a wide range of temperature measurement devices.

This temperature controller features a user-friendly interface with a backlit LCD display. The intuitive menu system allows for easy setup and configuration of the controller. Users can set temperature setpoints, alarm limits, and output control functions such as proportional, integral, and derivative (PID) control.

The U6212841 also includes advanced features such as fault recording, communication capabilities, and an optional power failure output. Fault recording allows the controller to store and recall faults, which can help diagnose issues with the heating process. Communication capabilities include RS-485 Modbus and HART protocols, enabling seamless integration with other industrial control systems. The optional power failure output can be configured to activate when power to the controller is lost, ensuring safe and reliable operation.

The controller housing is made of durable industrial-grade materials, with a NEMA 4X rating for protection against water, dust, and other harsh environmental conditions. The U6212841 is also RoHS compliant, making it an environmentally friendly choice for temperature control applications.

The Watlow U6-21-284-1, or U6212841, is an essential tool for industrial heating processes that require precise temperature control and reliable operation. Its versatility, advanced features, and user-friendly interface make it a popular choice among professionals in various industries.

The Watlow U6-21-284-1 U6212841 is a temperature controller that is widely used in various industries for process temperature control. Here are some pros and cons to help you decide whether this temperature controller is a good investment for your specific application.

1. Wide Temperature Range: This temperature controller can handle a temperature range of -40 C to 230 C (-40 F to 446 F), making it suitable for a wide range of applications.

2. Accuracy: The U6212841 offers high accuracy, with a typical accuracy of 0.5 C ( 0.9 F) over the entire temperature range.

3. Rugged Design: This temperature controller is designed for industrial applications and can withstand harsh environments. It has a sealed design, which makes it resistant to dust, water, and other contaminants.

4. Versatile Inputs and Outputs: The U6212841 has a variety of input and output options, including 4-20mA, 0-10V, and thermocouple inputs, as well as 0-5V and 4-20mA outputs.

5. Ease of Use: This temperature controller is known for its user-friendly interface and easy-to-navigate menus, making it simple for operators to set up and use.

1. Cost: The Watlow U6-21-284-1 U6212841 is a premium temperature controller, and its cost may be higher than some other options on the market.

2. Complex Setup: While the U6212841 is easy to use once it is set up, the initial setup process can be complex and time-consuming.

3. Limited Display Options: The temperature controller's display only shows the current temperature and setpoint, and it does not provide additional information such as alarm status or historical data.

The Watlow U6-21-284-1 U6212841 is a high-quality temperature controller that offers accurate temperature control, a wide temperature range, and a rugged design. Its versatile input and output options and user-friendly interface make it suitable for a wide range of applications. However, its cost and complex setup process may be drawbacks for some users. Ultimately, the decision to purchase this temperature controller will depend on your specific application requirements and budget.

If you require a high-precision temperature controller with a wide temperature range and rugged design, the Watlow U6-21-284-1 U6212841 is an excellent choice. However, if cost is a concern, you may want to consider alternative options with similar features but lower prices. Additionally, if you require additional display options or historical data, you may want to consider temperature controllers with more advanced features.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such.

part #: u6212841 price

• $260.45

specifications wateheat:

• brand: Watlow
• mpn: U6-21-284-1
• part type: Water Heater

shipping wateheat:

• service: Standard
• cost: $12.90
• transit: 30-36 Days
• type: Fixed
• class: Standard

offer wateheat:

• started: January 13, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns wateheat:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

seller wateheat:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.4%
• # reviews: 185522

payments wateheat:

• wallet: Google-pay
• credit card: Mastercard
• other

general wateheat:

• Heating, Cooling Air > Water Heaters > Standard Water Heaters
• condition: Used

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