The Glow-worm diaphragm membrane cover for the diverter valve of Compact and SD boilers. The membrane expands under pressure when water is fed through the diverter valve, activating a switch.
Fits a number of Glow-worm boilers
Technical specification
TypeDiaphragm CoverPack Quantity1MaterialMixedColourBrassManufacturer Model NoS801201Brand NameGlow-worm