Terminal board subassembly

Terminal board subassembly (Bosch part 8733956573) is a field‑replaceable electrical interface used in Bosch heating and heat‑pump equipment, providing organized, service‑friendly connection points between field wiring, sensors and the unit’s control electronics. As a modular element of the unit’s electrical assembly, it simplifies installation, diagnostics and in‑field replacement by keeping control wiring accessible and clearly identified for service technicians. No official Bosch North America product page for 8733956573 was found; this description is based on Bosch electrical/control assembly documentation. (bosch-homecomfort.com)