Bath Overflow Device

Following a successful presentation on the BBC’s Dragons’ Den programme, the inventor of a device to prevent baths from overflowing, approached Sovrin to assist in the development and industrialisation required to bring the product to market.


  • Selection of polymers to meet the stringent requirements of several regulatory bodies e.g. WRAS (Water Regulatory Advisory Service – UK), IAPMO (International Association of Plumbing & Mechanical Officers – USA)
  • Conduct design for manufacture review
  • Consult with industry experts on the technical requirements of each specific market
  • Design and manufacture mould tools capable of processing demanding engineering polymers
  • Conduct capability studies to validate moulding process and the components produced
  • Conduct capability studies of the device assembly in the polymers specified by European & US markets
  • In-line equipment developed for function testing
  • Label and package each assembly ready for point-of-sale


  • The product designed, developed and in production on time and within budget
  • Product approved by regulatory bodies
  • Successful product launch on both sides of the Atlantic