difficult instructions but was able to install great product for the price still in package good packaging i have had the product installed for perfect replacement and extra parts included this worked exactly as my dad needed it to too much water flow causing spillage exactly what i wanted the hopper works honey i got a great new water valve to last another 30 years five stars good service good product was a perfect fit on time right part no more leaks thanks can be hard to find parts five stars four stars perfect wrong part sold for thetford 31667 aqua magic toilet the valve fit and worked perfect good set up but the toilet gasket is