AZ3/AZ5 Zone Valve Controls ,   Model: AZ3/AZ5 Additional Information Three (AZ-3) or five (AZ-5) zone valve controller. Controls three or four wire 24v zone valves Brochure 240005997 - AZ3/AZ5 Rev. 1/10 383.8 kb Installation & Operation Manual 240005130 - AZ3/AZ5 Rev. A 554.9 kb