4000 CUSTOM LEVEL SWITCH 1. Part Number 3555 PVC float is used for PVC Model 4000. See specifications 2. Also available: leads in different lengths, cable, terminated ends, etc. consult factory. 3. Relays are available for handling higher electrical loads than allowed. See accessory section for details. 4. Grip rings come standard at no extra charge. 5. Optional collars are available from stock. See drawing 1.0. 6. Special reed switches are stocked to yield a hysteresis of 1/4". Consult factory. 7. Style 1 mounting installs from the inside of the tank into a 1/2" NPT boss. Specify float part...