Attention: Titan Maxum II Guns are currently on back order due to Covid impacts. This curretly delays ours stock and extra gun programs offered.
Part number 0515297 for the 770.
Prime Spray Valve Assembly Replacement Kit 0512250
0515221 Inlet valve seal (770)
#5- 0515237 Outlet valve (770)
Ring (fits above diaphragm)