REPLACEMENT INSTRUCTIONS FOR VALVE HEADS, VALVE ASSEMBLIES AND WATER SEALS FOR 1300 SERIES WATER VALVES REPLACING VALVE HEAD The enclosed naive head may be used to replace the head on any 1300 Series Water Valve having a dash numbered above 100 (Example, Type 1311-102). This head cannot be used on earlier model valves which have a dash number below 100 (Example, Type 1311-2}. NOTE: if the following Instructions are carefully observed, the naive head may be replaced without draining the system, 1.