Whirlpool 11-33-0103B-005 Air Conditioning Heater

The Whirlpool 11-33-0103B-005 is an electric resistance heater assembly designed for supplemental heating in residential and light commercial HVAC systems. Rated at 3 kW and operating on 230V AC, this internal, HVAC-mounted heater delivers dependable electric heat for Whirlpool air conditioners, air handling units, and climate-control systems to support temperature regulation. This part is listed under alternate numbers 21-3132-03 and 789873 and functions as a heating element replacement, retrofit component, or restoration of supplemental electric heating in indoor climate control environments. Compatible with Whirlpool air conditioners and HVAC assemblies, it is often replaced by common alternatives such as Whirlpool WP789873 Heater Assembly, GE HVAC Electric Heater Kit, and Frigidaire heater elements.