Keofitt W9 - 15 Change from Silicone;Epdm;Ffkm to Ptfe Membrane

KEOFITT W9 USER MANUAL V.4 PAGE 43
15. CHANGE FROM SILICONE/EPDM/FFKM TO PTFE MEMBRANE
All rubber membranes (Silicone/EPDM/FFKM) are interchangeable.
To change from a rubber membrane to a PTFE membrane please contact your local Keott dealer or
Keott directly.