Top Distributor for 1.05" distributor ( riser ) tubes. pn 287-166 or 75014 Commonly used on Erie 568, 2000, 2001, 2400 and all newer Erie Valves. Has threads that allow it to be attached directly to the riser insert assembly. Note many older Erie Valves could have either the 13/16" or an exact 1" distributor tube diameter, so please double check before ordering this part.