*Crankshaft-Aps121 13/8 M+M C1214-17 valve plate and diaphragm hold
Baker’s notes & crumb story
Description
*Crankshaft Aps121 13 8 M+M C1214 17 valve plate and diaphragm hold valve plate and diaphragm hold down plate with dichromate conversion treatmen plus dry run capability that protects the pump from damage when the tank runs empty