No.1 U.K. Professional Trade Forum, Plumbing, Gas, Electric, Tiling and Joinery Forum

Posted: **September 6th, 2022, 12:37 am**

Hi,
not sure to be honest, trial and error could be costly.
send them a message you should find them very helpful

aftersalesnonres@idealstandard.com

Change 4/2.6L Toilet Cistern to 6/4L Version