Balboa M7 15" 5.5 kW Spa Heater Replacement [2in] (58121)

Spa Parts: Spa Heaters (Balboa Spa Heaters)

Balboa Water Group

2-00-0036C

$138.99 $119.95
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* $8.95 standard shipping within the contiguous United States.

Balboa Water Group Spa Replacement Heater:

  • C2550-0807-TPS
  • 11787
  • 46-138-1020
  • 58000
  • 58010
  • 58083
  • 58086
  • 58121
  • 58123
  • 58209
  • 2-00-0036C

The 58121 spa replacement heater is specially designed for Balboa Water Group and is one of the most popular models of replacement heaters. It uses Balboa's revolutionary M7 technology to deliver consistent results. This is a 5.5 kW heater that is compatible with the Balboa systems listed in our product listing. If you have difficulty locating your heater, we suggest that you use our Heater Locator here on our website.

Balboa Spa Replacement Heaters have a revolutionary design that provides additional reliability and ease of installation. Through the years, Balboa Water Group (BWG) continues to be leader in the spa heater industry in terms of design, innovation, and reliability. These are highly sought after qualities when choosing the right product for your spa and for your family. We also carry the largest selection of spa heaters in the industry. Whether you are replacing your spa heater on an older spa system with pressure switch technology or whether you are replacing a spa heater with Balboa's modern M7 patented technology, we have the right solution for you. That is what makes us the leader in the spa industry for more than 30 years!

If you need assistance in locating the proper spa heater for your system, we suggest that you try our HEATER LOCATOR.


You can find other support articles in our Bath & Spa Parts Online Knowledge Base.


This Balboa Spa Heater is compatible with the following Balboa Spa Control Systems:

53533 53533-01 53533-02 53551 53551-01 53551-02
53553 53553-01 53553-02 53724 53724-01 53724-02
53887 53889 54335 54362 54362-01 54362-02
54373 54373-01 54373-02 54375 54382 54382-01
54382-02 54382-03 54382-04 54384 54384-01 55031
55031-01 55031-02 55196 55198



More Information About The Balboa M7 Spa Heater:

Balboa's M7 Control Systems are the most advanced spa controls ever developed. Balboa created the first reliable electronic spa control nearly twenty years ago and M7 technology is the biggest breakthrough since. By coupling our unique, patented software and design with state-of-the-art materials, M7 technology provides you a more reliable system that is less expensive to install and maintain. M7 controls are intended to accommodate the most demanding new spa designs and advanced water temperature management into the new millennium.

Balboa's cutting-edge product design and commitment to the advancement in technology continues to make us the leader in the spa industry. Balboa's M7 spa heaters are just another great example of their serious commitment to quality and innovative design. You can rest assured in knowing that you have the highest quality products available whether you are purchasing a spa replacement heater or have been fortunate to have genuine Balboa Water Group (BWG) products already installed in your hot tub or spa. Bath & Spa Parts Online carries the complete line of Balboa heaters!

Here are some of the great features available in the M7 patented technology spa heaters:

Spa Heater Tube:
  • No welds required on tube
  • 316 stainless steel available
  • Front mounted
  • Easier to service
Spa Heater Element:
  • Incoloy & Titanium material options
  • Enlarged bend radius
  • No tie wires
  • Minimizes debris buildup
  • Maximizes flow through
  • 3/8" hex nut connectors for added stability and contact area
Smart Sensor Technology:
  • Both sensors are identical
  • Sensors monitor each other via software to regulate spa function (water flow, temperature)
  • Assures a proper operating environment for the heating element
  • Multiple high limit safety systems
  • All safety functions are always active
  • Eliminates excessive cycling
  • Automatically adapts to flow direction
  • Detects flow restrictions such as a dirty filter or slice valve
  • Minimizes calcium buildup on the element
Standardized Sensor Placement:
  • No sensor installation in spa wall
  • No pressure switch problems
  • No sensor mount
  • Pretested with sensors in place
  • No external sensor wires
  • Reduces installation costs/errors
  • May be plumbed from the suction or pressure side
  • Easy to service and troubleshoot
WHY USE BALBOA WATER GROUP PRODUCTS?

At Balboa Water Group (formerly Balboa Instruments), their fundamental commitment to the leisure water industry has been to provide a simple, comprehensive, one source solution to their products that include the highest quality in pumps, blowers, electronic control systems, jets, white goods and accessories. Their outlook has earned them the position as the leading global supplier of product design, state-of-the-art manufacturing, and an unsurpassed reputation for reliability. With nearly three decades of innovative design, expansion and development, BWG offers a complete line of products for your whirlpool bath or hot tub.

Bath & Spa Parts Online carries a complete line of Balboa Water Group Products, readily available for immediate delivery. At current, we carry more than 2500 different Balboa SKU's, which represents their complete line of available products. If it is made by Balboa, we carry it. We also have a comprehensive database of Balboa Product Cross Reference Information along with bath and spa product manuals and instruction sheets.

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