General description The HDS-DS640023 Car AC Heater Temperature Climate Control Switch Unit is a brand new, direct replacement part designed specifically for Accelo models 815, 915, and 1016 operating on 24V AC. This switch unit is crafted from durable ABS material and comes in a sleek black color. Technical specifications Part Number: HDS-DS640023 Material: ABS Color: Black Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with Accelo models: 815, 915, 1016 Installation Direct replacement for the original switch unit Usage Controls the car's AC heater temperature and climate settings