Leonard 722 thermostatic shower control hot water provided by oil boiler
Aslong as the boiler is not a combi boiler, you need to give it a strip downclean and lube and fit a service kit.
http://www.showerdoc.com/MIRA-935-15-Mira-722-Seal-Kit-935-15
Answered 12 years ago by The Shower Doctor
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