P1-04-643B

Flush Valve Seal for American Standard Coroma Vortens Dual Flush fits American Standard # 415242 

Installation Instructions Step 1 : Turn Off Water. Step 2: Flush Toilet to remove water. Step 3: Lift Lid Lester says "Use a sponge or towel to remove any water from the bottom of the tank" Step 4: Identify the parts you are replacing and remove. Step 5: Replace part with your new part. Step 6: Turn on water and always check for leaks. Lester says "check the angle stop valve later as they tend to leak after they have been turned off"