The earlier P/N 50-1189T91 Solenoid Valve has 2-1/2" between the mounting holes and uses the P/N 50-1236T1 Bracket while the later P/N 50-1189T92 has 3-5/8" between mounting holes. If replacement is needed for P/N 50-1189T91, order P/N 50-1189T92 plus the later style P/N 50-1511T1 mounting bracket.
The earlier P/N 50-1189T91 Solenoid Valve has 2-1/2" between the mounting holes and uses the P/N 50-1236T1 Bracket while the later P/N 50-1189T92 has 3-5/8" between mounting holes. If replacement is needed for P/N 50-1189T91, order P/N 50-1189T92 plus the later style P/N 50-1511T1 mounting bracket.
Check the relief valve cartridge setting (located on the end cover) in the control valve. If the relief valve setting is 3000 psi, it must be replaced by a 2250 psi relief valve cartridge (Ref. 27).
The earlier P/N 50-1189T91 Solenoid Valve has 2-1/2" between the mounting holes and uses the P/N 50-1236T1 Bracket while the later P/N 50-1189T92 has 3-5/8" between mounting holes. If replacement is needed for P/N 50-1189T91, order P/N 50-1189T92 plus the later style P/N 50-1511T1 mounting bracket.
The earlier P/N 50-1189T91 Solenoid Valve has 2-1/2" between the mounting holes and uses the P/N 50-1236T1 Bracket while the later P/N 50-1189T92 has 3-5/8" between mounting holes. If replacement is needed for P/N 50-1189T91, order P/N 50-1189T92 plus the later style P/N 50-1511T1 mounting bracket.