GRUNDFOS · DRY-RUNNING PROTECTION
LiqTec Dry-Running Protection
Grundfos LiqTec stops the pump before it runs dry: a cabinet-mounted control unit and a sensor with a 1/2 in G thread for CR, CRI and CRN E-pumps.
Dry-Running Protection
120V or 200-240V Control Unit
580 PSI Max System Pressure
Sensor IP68, 316L
1/2 in G Sensor Thread
Cable to 65.6 ft
Overview
LiqTec watches the liquid at the pump and switches it off when the pump starts to run dry. The control unit mounts in a cabinet; the sensor threads into the pump with a 1/2 in G thread and connects on a 16.4 ft cable, extendable to 65.6 ft.
What Ships and What It Needs to Run
Included: the LiqTec part in the selected option. The control unit is listed by Grundfos with the LiqTec sensor and 16.4 ft cable (1/2 in G thread, EPDM and FKM) (Grundfos price list).
Mounting: the LiqTec box is mounted in a cabinet (Grundfos price list).
Cable length: one 49.2 ft extension cable takes the sensor cable to the 65.6 ft maximum.
Genuine Grundfos equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
Warranty: 24 months from date of installation, but not more than 30 months from date of manufacture (Grundfos limited warranty). Grundfos repairs or replaces its own product; costs of removal, installation and transportation are not covered, and products sold but not manufactured by Grundfos carry their own manufacturer’s warranty.
Specifications
| Specification |
Value |
| Product |
Dry-running protection: control unit, sensor and cable |
| Power supply |
1/60/120 or 1/60/200-240 |
| Maximum system pressure |
580 PSI |
| Liquid temperature |
266°F maximum |
| Ambient temperature |
131°F maximum |
| Sensor enclosure |
IP68 |
| Wetted parts |
AISI 316L |
| Sensor connection |
1/2 in G thread, EPDM and FKM |
| Cable |
16.4 ft with the sensor; 65.6 ft maximum |
Before You Buy — The Limits That Decide the Fit
| Check |
What decides the fit |
| Supply |
Choose the control unit for 120V or 200-240V single-phase supply. |
| Pump |
The sensor is listed for CR, CRI and CRN E-pumps with a 1/2 in G sensor port. |
| Cable |
Maximum total cable length 65.6 ft. |
Applications
Dry-running protection for Grundfos CR, CRI and CRN E-pumps (Grundfos price list).
