Quick view A & A Manufacturing A & A Manufacturing Gould Water Valve Drive Train Replacement Kit - #521164 1 DISCONTINUED BY MANUFACTURER. Replacement part number 5-9-2002 A & A Manufacturing Gould Water Valve Drive Train Repair Kit 2. Includes 1 Gear Train Complete and 3 Shims. Replacement https://www.azpoolsupplies... Add to Wishlist