syphon dudley turbo 44 10.1/2" 2 part orange/white 7 or 9lt: ?23.57 each : syphon dudley turbo 44 11" 2 part orange/white 7 or 9lt: ?23.57 each : syphon metro 3 part 9" round bell dsy7325: ?15.50 each : syphon metro 3 part 9" oblong bell dsy8925 macdee: ?15.50 each : syphon metro 3 part 10" oblong bell dsy9138: ?15.50 each Macdee Motion Flush volume selector Threaded part 1 Washer Back nut Washer Coupling nut Flush pipe handle 2 3 4 Important information never use boss white or silicone based products Remove Motion from cistern leaving the syphon leg in situ, remove c-link and gently squeeze the clips Siphon Diaphragm & Washer - B&Q for all your home and garden supplies and advice on all the latest DIY trends Derwent Macdee Metro Rapid 3 Part Syphon oblong bell 7.1/2" DSY8725 See more like this. DERWENT MACDEE SQUARE METRO 9" 3 PART SYPHON TOILET CISTERN FLUSH VALVE RAPIDFIT See more like this. Macdee Metro Square Cistern Siphon DSY8025 8 inch CME WRAS Approved DIY Fit. Hi Mr Apple am unclear exactly which model you have, however I have found Macdee most helpful in the past in providing operating instructions and/or parts lists when the originals have gone astray. Replacement WC flush diaphragm. Discussion in 'Plumbers' Talk' started by jimjams, Apr 23, 2008. jimjams New Member. Hoping you guys can help me!! I have a Derwent Macdee Metro 3 part flush system, the diaphragm washer has split. My Derwent macdee metro 3 part syphon range 9 makes a foghorn sound for a few seconds after i flush , what causes - Home question Search Fixya Press enter to search. The syphon comes complete with a backnut, a coupling nut, sealing washer and a low level flush pipe seal as standard. The Derwent Macdee Metro Rapid 3 part D shape lever flush syphon is well suited for installation in slimline cisterns. The syphon is complete with an internal overflow and is WRAS approved. Derwent Macdee Metro Rapid 3 Part Syphon oblong bell 7.1/2" DSY8725 See more like this.