Watch George fit a new cartridge inside an Ultra Finishing dual control valve (sometimes also branded as Premier or Hudson Reed valve). Shop for Ultra cartridges on our site: http://bit.ly/1nnbGg2 Ultra spares from The Shower Doctor: http://bit.ly/2nDpAiT Timestamps: 0:00 Introduction 0:37 Removing front controls 3:18 Removing the cartridge 4:36 Matching hot & cold ports 4:50 Reassembling the valve ===== Questions about your shower? Contact The Shower Doctor: http://bit.ly/write2showerdoc Official website: https://www.showerdoc.com/ And also... Facebook: http://on.fb.me/V11Xct Twitter: http://bit.ly/Z5GC4D Pinterest: http://bit.ly/Vyx1Dr Foursquare: http://4sq.com/1zKUGjY The Shower Doctor blog: http://www.showerdoc.com/blog