Overview
The CDVI DBB‑22‑04 is a combined exit device integrating a large green dome Request‑to‑Exit (RTE) momentary push button with a resettable double‑pole emergency door release. Supplied with reset keys and a UK double‑gang back‑box for tidy surface mounting, it provides a single‑face solution for egress and emergency release applications in care homes, schools, commercial and public buildings. For full technical details consult the manufacturer datasheet.

• Integrated green dome RTE: large, high‑impact dome for visibility and ease of use.
• Resettable double‑pole emergency release: emergency release with key reset supplied.
• Stainless steel finish: stainless steel faceplate with polycarbonate components.
• Installation: surface mount; supplied double‑gang (UK) back‑box for quick, neat installation.
• Intended use: internal egress and emergency release applications.

Compliance & safety
Reseller listings reference CE and RoHS; please check the CDVI datasheet for full certification (EN/UL ratings or IP where required). Installation must comply with local fire and building regulations — fit only by qualified personnel where applicable. Keep reset keys accessible to authorised staff only.

Notes
Manufacturer / model: CDVI DBB‑22‑04 (Ref E0901D000020). Weight and dimensions shown are manufacturer figures: 98 × 188 × 57 mm, approx. 0.46 kg. Warranty information varies across distributors (commonly 2–5 years); confirm warranty with CDVI. Current stock: 2 units — verify lead time for larger orders.