Buderus Model 21 12" x 48" x 2.5" Radiator

Buderus Model 21 radiator, 12" x 48" x 2.5" (Part No. 7738003534), is a compact replacement unit for hydronic central-heating systems, suitable for retrofit or new-construction wall-mounted applications where a low-profile footprint is required. Bosch spare-parts documentation lists Model 21 & 22 radiators, but the exact part number and full technical specifications for 7738003534 were not available on Bosch North America sites; this description is therefore based on the model name, category and the nominal dimensions provided. (bosch-homecomfort.com)