Buderus Radiator Model 21 12" x 36" x 2-1/2"

The Buderus Radiator Model 21 (12" x 36" x 2-1/2", part number 7738003533) is a compact hydronic radiator for residential and light-commercial heating applications. Its 2.5-inch depth and 12×36 footprint suit retrofit and space-constrained installations, offering straightforward wall-mounted integration with standard Buderus hydronic components. No technical sheet for part 7738003533 was found on Bosch North America sites; this description is based only on the model name and category.