Previous Product Next Product 4/2 pilot spring (81-513-200) Part No. VALVE-02251 Category: MaxFlow control box Description Additional information Description 4/2 pilot spring (81-513-200) Additional information Product MaxFlow Related products MaxFlow control boxFlow switch PCB for MaxFlow control box MaxFlow control boxEMR4 interconnection box MaxFlow control boxMeter stop/start switch MaxFlow control boxMonitor PCB MaxFlow control boxNC pilot spring (81-513-100) MaxFlow control boxLockpin assembly MaxFlow control boxBattery for EMR3 IB board MaxFlow control boxControl cabinet door