1. Water Heaters New/Used Products
  2. sku: 1976718809319621
  3. NAVIEN KDC-321-5M

NAVIEN Control Board KDC-321-5M.V1.51

Kdc-321-5m.v1.51 Navien Kdc-321-5m Control Board

( Brand: Navien ), ( Manufacturer Part Number: KDC-321-5M ), ( Type: Tankless Water Heater/boiler ), ( Mounting Location: Indoor )

Review NAVIEN Control Board

The Navien KDC-321-5M Control Board V1.51 is a compact and advanced combi-boiler control system designed to deliver optimal performance and energy efficiency for residential and light commercial applications. This control board is specifically engineered for Navien's condensing tankless water heaters and combi-boilers, making it an ideal solution for spaces that require both domestic hot water and central heating.

Measuring 9.6 x 6.6 inches (24.4 x 16.8 cm), the KDC-321-5M Control Board V1.51 is built with a modern touchscreen user interface, providing easy access to vital system information and allowing users to conveniently manage and monitor their water heating and heating needs. The LED display indicates system status, temperature settings, and diagnostic codes, ensuring a quick and accurate response to any operational issues.

Equipped with advanced features, the control board supports various heating modes, including auto mode, eco mode, and energy harvesting. This adaptability allows the system to optimally respond to the household's heating demands while minimizing energy consumption, ultimately contributing to significant energy savings and cost reduction. The built-in temperature control function enables users to set custom hot water and heating temperatures, ensuring a comfortable living environment year-round.

Connectivity is a key feature of the KDC-321-5M Control Board V1.51. It supports both wired and wireless communication with Navien's IoC (Internet of Connectivity) app, offering remote system control, monitoring, and diagnostics through a smartphone or tablet. Additionally, the control board can be connected to Navien's COM STC-3000 Combi Room Thermostat or a wired temperature sensor for optimal temperature control in different zones.

The KDC-321-5M Control Board V1.51 is designed with quality and reliability in mind. It is constructed with flame-retardant materials and features a robust temperature control circuit, ensuring safe and stable operation. The control board also incorporates a continuous self-diagnostics function, constantly monitoring system performance and alerting users to any potential issues, facilitating prompt and effective maintenance.

In summary, the Navien KDC-321-5M Control Board V1.51 is a sophisticated and user-friendly control system engineered to maximize performance, energy efficiency, and user convenience for Navien's condensing tankless water heaters and combi-boilers. With advanced features, easy-to-use interface, and reliable construction, this control board is an excellent investment for homeowners and businesses seeking to optimize their hot water and heating systems.

Pros and Cons of Buying Navien KDC-321-5M Control Board (V1.51) for Your Navien Tankless Water Heater

Pros of Buying Navien KDC-321-5M Control Board (V1.51):

1. Enhanced Energy Efficiency: This control board is designed to work with Navien's condensing tankless water heaters, which are known for their impressive energy efficiency. By upgrading to this newer control board, you can enjoy better energy usage and potential cost savings.

2. Improved Safety: The KDC-321-5M control board often comes with updated safety features to ensure the safe operation of your tankless water heater. These features include automatic ignition and advanced error codes to help diagnose potential issues more effectively.

3. Seamless Integration: Since the KDC-321-5M control board is specifically designed for Navien's hot water heating systems, you can trust that it will integrate perfectly with your existing equipment. This means minimal installation frustration and optimal system performance.

Cons of Buying Navien KDC-321-5M Control Board (V1.51):

1. Cost: The cost of purchasing a new control board may be a concern for some homeowners, particularly if their existing control board is still functioning correctly. It might be worth considering repairing the current control board before investing in a new one if the costs are substantial.

2. Compatibility: Always confirm that this control board is compatible with your specific Navien model and version before making a purchase. While the KDC-321-5M control board is widely used in Navien's tankless water heaters, it's essential to verify compatibility to ensure proper functioning in your system.

3. Installation Complexity: Installing a new control board may require some DIY skills or professional assistance, depending on your comfort level with electrical work. While the installation process is generally straightforward, some users might find it daunting.

Conclusion:

The Navien KDC-321-5M control board (V1.51) can offer numerous advantages, such as enhanced energy efficiency, improved safety features, and seamless integration with your Navien tankless water heater system. However, the costs associated with its purchase, potential installation complexity, and compatibility concerns should be carefully considered before making a decision.

If you have the budget and are experiencing issues with your existing control board, or if you are considering upgrading to a newer, more energy-efficient model, the Navien KDC-321-5M control board can be an excellent investment for your Navien tankless water heater. On the other hand, if you're on a tight budget or comfortable with your existing control board, it might be wise to prioritize other home improvement projects.

Recommendation:

If you've determined that purchasing the Navien KDC-321-5M control board is the best choice for you, make sure to double-check its compatibility with your specific Navien tankless water heater model and version. Furthermore, consider that professional installation may be required, which could potentially add additional costs. Proceed with your decision with confidence, knowing that this control board upgrade can lead to improved energy efficiency, enhanced safety features, and seamless integration into your system.

Details:

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part #: kdc3215m prices

  • $89.99-$175.40

specifications wateheat:

  • brand: Navien
  • mpn: Kdc-321-5m
  • type: Tankless Water Heater/boiler
  • mounting location: Indoor

offer wateheat:

  • availability: In Stock
  • started: January 31, 2025
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

shipping wateheat:

  • carrier: USPS
  • service: USPS Ground Advantage
  • cost: $0.00
  • type: Calculated
  • transit: 5-11 Days
  • class: Standard

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general wateheat:

  • Heating, Cooling Air > Water Heaters > Tankless Water Heaters
  • condition: New

returns wateheat:

  • policy: No Returns

seller wateheat:

  • rating: 98.5%
  • city: Brookeville, Maryland
  • # reviews: 8574
type: tankless water heater/boiler, mounting location: indoor,
category: home & garden > heating, cooling air > water heaters > tankless water heaters, sku: 1976718809319621,

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  • Offer #1: $175.40 price + $0.00 shipping estimate = $175.40* total.FREE SHIPPING
  • Offer #2: $89.99 price + $6.99 shipping estimate = $96.98* total. Navien Tankless Water Heater Control Circuit Board KDC 321-5M V1.50 Fast Shipping!! 2891.+$6.99 shipping

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