1. Water Heaters New/Used Products
  2. sku: 6660339006899502
  3. NORITZ RC-7646M-2

NORITZ RC-7646M-2 Tankless Water Heater Controller

Rc-7646m-2 Noritz Tankless Water Heater Controller

( Brand: Noritz ), ( Manufacturer Part Number: RC-7646M-2 ), ( Type: Tankless Water Heater/boiler ), ( Unit Type: Unit ), ( Voltage: 120 V ), ( Jacket Diameter: Heater ), ( Water Temperature Range: 100 F To 140 F ), ( Smart Home Protocol: Wi-fi ), ( Water Heater Profile: Compact )

Review NORITZ Tankless Water Heater Controller

The Noritz RC-7646M-2 Tankless Water Heater Controller is a state-of-the-art device designed to provide superior control and efficiency for your Noritz tankless water heater system. This controller is an essential accessory for ensuring optimal performance, energy savings, and convenience in your home or commercial application.

The RC-7646M-2 is a digital controller that offers precise temperature control, allowing you to maintain a consistent water temperature within a range of 95 F to 158 F (35 C to 70 C). The user-friendly interface includes a digital display that shows the current temperature setting and the actual water temperature. The controller also features a built-in diagnostics function that alerts you to any potential issues, ensuring a timely resolution to any problems.

One of the standout features of the Noritz RC-7646M-2 is its advanced modulating technology. This technology allows the controller to adjust the gas input to the water heater based on the actual water demand, ensuring that you only use the amount of energy necessary to heat the water. This results in significant energy savings and reduced environmental impact.

The controller also includes a vacation mode, which allows you to reduce the temperature setting when you are away from home for extended periods. This feature helps prevent the growth of legionella bacteria and saves energy, making it an excellent choice for those who travel frequently or have secondary homes.

The Noritz RC-7646M-2 Tankless Water Heater Controller is easy to install, with plug-and-play connectivity to your Noritz tankless water heater. It is compatible with both indoor and outdoor installations and comes with a weatherproof design to ensure reliable operation in various environmental conditions.

Overall, the Noritz RC-7646M-2 Tankless Water Heater Controller is an indispensable accessory for any Noritz tankless water heater system. Its precise temperature control, advanced modulating technology, and energy-saving features make it an excellent investment for homeowners and businesses seeking efficient, reliable, and cost-effective hot water solutions.

The Noritz RC-7646M-2 Tankless Water Heater Controller is a popular choice for those looking to upgrade their tankless water heating system. Here are some pros and cons to help you make an informed decision:

Pros:

1. Energy Efficiency: This controller is designed to work with Noritz tankless water heaters and provides precise temperature control, which results in energy savings.

2. Easy Installation: The controller can be easily installed on the wall near the water heater, and it comes with a clear instruction manual and all necessary hardware.

3. User-Friendly Interface: The controller features an intuitive LCD display and user-friendly interface, making it easy to adjust temperature settings and diagnose any issues.

4. Remote Access: The controller offers remote access via Wi-Fi, allowing users to monitor and control their water heater from anywhere using a smartphone or computer.

5. Durable Construction: The controller is built with high-quality materials and is designed to withstand harsh environments, ensuring long-lasting performance.

Cons:

1. Limited Compatibility: The controller is specifically designed for use with Noritz tankless water heaters, so it may not be compatible with other brands or models.

2. Wi-Fi Connectivity Issues: Some users have reported connectivity issues with the controller's Wi-Fi capabilities, making it difficult to use the remote access feature.

3. Limited Programmability: While the controller offers temperature control and remote access, it does not offer advanced programming features like some other models.

4. Higher Cost: The controller may be more expensive than some other models on the market, which could be a deterrent for some buyers.

Conclusion:

The Noritz RC-7646M-2 Tankless Water Heater Controller is a high-quality, energy-efficient option for those looking to upgrade their tankless water heating system. Its user-friendly interface, easy installation, and remote access capabilities make it a convenient choice for homeowners. However, its limited compatibility with other brands and models, potential Wi-Fi connectivity issues, and higher cost may be drawbacks for some buyers.

Recommendation:

If you own a Noritz tankless water heater and are looking for a reliable, energy-efficient controller with remote access capabilities, the Noritz RC-7646M-2 is a solid choice. However, if you are looking for more advanced programming features or are not committed to the Noritz brand, there may be other options on the market that better fit your needs. It's always a good idea to do your research and compare features and prices before making a purchase.

Details:

Never used Noritz controller. Model # RC-7646M-2 it comes with waterproof back and mounting screws.

part #: rc7646m2 prices

  • $99.99-$105.00

specifications wateheat:

  • brand: Noritz
  • mpn: Rc-7646m-2
  • type: Tankless Water Heater/boiler
  • unit type: Unit
  • voltage: 120 V
  • jacket diameter: Heater
  • water temperature range: 100 F To 140 F
  • smart home protocol: Wi-fi
  • water heater profile: Compact

returns wateheat:

  • policy: No Returns

general wateheat:

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

offer wateheat:

  • sold: 0
  • options: Ship-to-home
  • started: January 14, 2026
  • best offers: True
  • quantity: 1
  • availability: In Stock

seller wateheat:

  • rating: 100.0%
  • # reviews: 277
  • city: McComb, Mississippi

shipping wateheat:

  • service: USPS Ground Advantage
  • cost: $8.85
  • transit: 6-12 Days
  • carrier: USPS
  • type: Calculated
  • class: Standard

payments wateheat:

  • credit card: Diners-club
  • other
  • wallet: Google-pay
type: tankless water heater/boiler, unit type: unit, voltage: 120 v, jacket diameter: heater, water temperature range: 100 f to 140 f, smart home protocol: wi-fi, water heater profile: compact,
category: home & garden > heating, cooling air > water heaters > tankless water heaters, sku: 6660339006899502,

Noritz RC-7646M-2 Is Similar To:

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2 offers $99.99–$105.00 USD
  • Offer #1: $105.00 price + $9.35 shipping estimate = $114.35* total. Model # it comes with waterproof back and mounting screws. Never used Noritz controller.+$9.35 shipping
  • Offer #2: $99.99 price + $8.75 shipping estimate = $108.74* total. The bezel got misplaced & is not included with the controller. The Noritz Tankless Water Heater Controller is a compact unit designed for efficient and convenient control of your tankless water heater or boiler.+$8.75 shipping

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