Control Switches
SJE-Rhombus narrow-angle control switches accurately monitor high (normally open) or low (normally closed) liquid level conditions in water and sewage applications. Each control switch is available in various cord lengths with various mounting options to meet your needs. All SJE-Rhombus control switches are UL Listed, CSA Certified and backed by a three-year limited warranty.
The SJE SignalMaster® and SJE SignalMaster® SPDT control switches passed NSF Standard 61 protocol by an approved Water Quality Association laboratory for use in potable water applications. Click on the following links for complete product information on SJE-Rhombus control switches:
| SJE SignalMaster® control switch (mechanical) |
| SJE SignalMaster® SPDT control switch (mechanical) |
| SJE MilliAmpMaster™ control switch (mechanical) |
| Sensor Float® control switch (mercury) |
| Sensor Float® Mini control switch (mercury) |