How-to install new Campbell Hausfeld VT4723 Pump
This video explains how to install the new VT4723 or VT472200AJ Campbell Hausfeld pump when replacing it with the old Campbell and Dayton/SpeedAire VT-style twin-cylinder pump. The new pump only has one outlet in the head, whereas the old pumps had two. You will need to re-route the Unloader Line with the Unloader Tube Kit and this video shows you how.