No. 87 instructions: 4. Shut off water supply & disconnect. 2. Unbolt tank from bowl. 3. Rom old fish vats & Rapper. 4. install new Rush valve es shown. (4a) B. Check height of flush naive. (8a) Top of flush valve should bs no more than 3/4” above water ine marked In tan Verily top of lush valve is st least 1° below bottom of fish lever nut. Note: Verity G/L ins {critical lve) on fill naive or bastion is at least 1* above top of overflow tbs. This is & plumbing sods requirement.