Thetford Spare – Cassette Toilet Seal Mechanism

Replacement part for select Thetford toilets in campervans, caravans, motorhomes and boats

This rubber seal spare fits on the holding tank mechanism on C250, C260, C400 and C500 cassette toilets. Note that this isn’t the cassette lip seal – we have these available here and here.

Thetford Cassette Toilet Seal Installation Instructions:

Must be fitted by qualified technical trained operatives only

part no. 50724