Unable to remove the temperature control knob
Depending on which handle you have , there is either a screw inside or a grub screw under the handle.
www.showerdoc.com/ultra-3-4-dual-control-shower-valve-shower-spares
See the diagram above .
Answered 9 years ago by Anonymous
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Ultra Showers 3/4 Dual Control Shower Valve Shower Spares
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