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RINNAI 28061 Tankless Water Heater Controller MC-91-2US-S-RD

Mc-91-2us-s-rd Rinnai 28061 Tankless Water Heater Controller

( Brand: Rinnai ), ( Manufacturer Part Number: 28061 ), ( Type: Tankless Water Heater/boiler ), ( Color: Silver )

Review RINNAI Tankless Water Heater Controller

The Rinnai MC-91-2US-S-RD is a sophisticated controller designed for use with Rinnai's tankless water heating systems, specifically the Rinnai 28061 model. This controller is engineered to deliver optimal performance and energy efficiency, ensuring a consistent supply of hot water in your home.

The MC-91-2US-S-RD controller boasts an intuitive, user-friendly interface with a large, backlit LCD display. The screen shows crucial information such as temperature settings, diagnostic codes, and error messages, allowing for easy monitoring and adjustments. The controller offers both Fahrenheit and Celsius temperature readings, making it suitable for various geographical locations and user preferences.

One of the most notable features of this controller is its advanced modulating technology. This technology allows the water heater to adjust its output based on the actual demand for hot water, ensuring that energy is not wasted heating water that is not being used. Additionally, the controller can be programmed to maintain a set temperature range, providing a consistent water temperature and enhancing user comfort.

The MC-91-2US-S-RD controller also includes several safety features, such as a freeze protection function, which automatically activates when the ambient temperature drops below 40 F (4 C) to prevent damage to the water heater. It also features a diagnostic function, which can detect and display error codes, making it easier to identify and address any potential issues.

This controller is designed to be easily integrated with other home automation systems, enabling users to remotely control and monitor their water heater using a smartphone or other compatible devices. Additionally, it is compatible with various venting options, including direct vent and power vent, making it a versatile choice for various installation configurations.

In summary, the Rinnai MC-91-2US-S-RD controller is a premium, feature-rich accessory for the Rinnai 28061 tankless water heater. It delivers advanced temperature control, energy efficiency, and safety features, making it an excellent investment for homeowners seeking a reliable and high-performing water heating solution.

A Detailed Analysis of the Rinnai MC-91-2US-S-RD Tankless Water Heater Controller

The Rinnai MC-91-2US-S-RD is a popular choice for those seeking to upgrade their tankless water heater system. This controller offers advanced features designed to enhance the performance and efficiency of your water heating system. In this analysis, we will discuss the pros and cons of investing in this controller.

Pros:

1. Enhanced Energy Efficiency: The Rinnai MC-91-2US-S-RD controller is designed to save energy by adjusting the water temperature based on the demand. This ensures that you are not wasting energy heating water when it's not needed.

2. Improved Comfort: With the ability to maintain a consistent water temperature, this controller provides users with a more comfortable showering experience. It also comes with a temperature lock feature that allows you to set your preferred temperature and prevent unexpected temperature changes.

3. Increased Safety: This controller features a freeze protection function that activates when the temperature drops below 40 F (4 C). This ensures that your water lines do not freeze and burst during cold weather.

4. Easy Installation: The controller's plug-and-play design makes it easy to install, requiring no additional wiring or professional assistance in most cases.

5. Convenient Remote Control: The controller comes with a remote control, allowing users to adjust the temperature and other settings from anywhere in the house.

Cons:

1. Higher Price Point: Compared to basic tankless water heater controllers, the Rinnai MC-91-2US-S-RD comes with a higher price tag.

2. Limited Compatibility: This controller is specifically designed for use with Rinnai tankless water heaters. If you have a different brand or model, this controller may not be compatible.

3. Potential Complication with Faulty Sensors: Some users have reported issues with the temperature sensors in the controller, which can result in inaccurate temperature readings and uneven water heating.

Ending Conclusion:

The Rinnai MC-91-2US-S-RD tankless water heater controller offers several advantages, including energy efficiency, improved comfort, increased safety, easy installation, and convenient remote control. However, it comes with a higher price point and limited compatibility. If you own a Rinnai tankless water heater and are looking to enhance its performance and functionality, this controller is an excellent investment. However, if you have a different brand or model or cannot afford the higher price tag, you may want to consider other options.

Recommendation:

If you are a Rinnai tankless water heater owner looking to upgrade your controller, the Rinnai MC-91-2US-S-RD is an excellent choice. Its advanced features and benefits make it a worthwhile investment for those seeking a more efficient, comfortable, and convenient water heating experience. However, if you are unsure about the compatibility or price, it's recommended that you consult with a professional or do further research before making a purchase.

Details:

NEW; STANDARD REMOTE CONTROLLER RESIDENTIAL OR COMMERCIAL 98-140 DEGREE SILVER IN ORIGINAL PLASTIC PACKAGING, NO BOX NEW PART, OLD TRUCK STOCK.

part #: 28061 price

  • $29.00

specifications wateheat:

  • brand: Rinnai
  • mpn: 28061
  • type: Tankless Water Heater/boiler
  • color: Silver

shipping wateheat:

  • cost: $8.31
  • service: USPS Ground Advantage
  • type: Calculated
  • transit: 5-11 Days
  • carrier: USPS
  • class: Standard

general wateheat:

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

seller wateheat:

  • # reviews: 142
  • rating: 100.0%
  • city: Henderson, Nevada

returns wateheat:

  • policy: No Returns

offer wateheat:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: December 25, 2025
  • best offers: True
  • sold: 0

payments wateheat:

  • other
  • credit card: Discover
  • wallet: Google-pay
type: tankless water heater/boiler,
category: home & garden > heating, cooling air > water heaters > tankless water heaters, color: silver, sku: 6421466835514983,

Rinnai 28061 Is Similar To:

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1 offer $29.00 USD
  • Offer #1: $29.00 price + $8.75 shipping estimate = $37.75* total. Built by the trusted brand Rinnai, this tankless water heater is a smart investment for any home. The Rinnai Tankless Water Heater Standard Controller is a highly efficient and innovative heating system that operates on an instantaneous basis, providing hot water on demand without the need for a storage tank.+$8.75 shipping

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