How can I fix the cassette toilet flush on my thetford c2?

Yes
Email me on robertwhiting76athotmail.com
replace at with the usual symbol on email addresses this forum will not take the regular at.

info too long if you want all details regarding the repair replacement of pump.
To replace the micro switches you best contact Thetford online www.thetford-europe.com covers all toilets one pdf covers all look down list for the c2. follow through 'Service'
if no email in 3days will assume you've cracked it.

Bob UK
November 2017