Description
The Rheem-Ruud RXHJ-21B10J-1R is a 10KW electric heater kit designed as a supplemental or auxiliary heating solution for compatible Rheem and Ruud air handler and heat pump systems. Built with an integrated circuit breaker, this heater kit simplifies installation and provides built-in overcurrent protection for added safety and code compliance.
Key Features
- 10KW heating capacity for effective supplemental or emergency heat
- Integrated circuit breaker for built-in overcurrent protection
- Designed for use with compatible Rheem and Ruud air handlers and heat pump systems
- Factory-engineered for straightforward installation and reliable performance
- Helps maintain comfort during extreme cold or when heat pump capacity is reduced
Why Choose the RXHJ-21B10J-1R
Rheem and Ruud are trusted names in the HVAC industry, and this heater kit upholds that reputation with a robust, purpose-built design. The inclusion of a factory-installed circuit breaker eliminates the need for a separate disconnect component, reducing installation time and ensuring the system meets electrical safety requirements right out of the box.
Ideal Applications
- Supplemental heat for heat pump systems in colder climates
- Emergency or backup heating in residential and light commercial air handlers
- Replacement heater kit for existing Rheem or Ruud systems
Specifications
- SKU: RXHJ-21B10J-1R
- Heating Capacity: 10KW
- Includes: Integrated circuit breaker
- Brand: Rheem-Ruud






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