We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
WATERLINE CONTROLS Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT - Fluid Level Controllers
WATERLINE CONTROLSFluid Level Controllers

WATERLINE CONTROLS Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT

The WATERLINE CONTROLS WLC4000-120VAC is a fluid level controller designed for high alarm and fill stop functions. It operates on 120V AC and includes two power relays rated at 30 A DPDT, along with three dry…

SKU 3G-OTH-68706

Brand
WATERLINE CONTROLS
Item
Water Level Control: 120V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT
Category
Fluid Level Controllers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

WATERLINE CONTROLS
Manufacturer Part Number
WLC4000-120VAC
Type
Fill/High Alarm, 30 A – DPDT
Functions
High Alarm
NEMA Rating
4X
Dry Contacts
3
Power Relays
2
Probes Included
Fill Stop
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WATERLINE CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATERLINE CONTROLS WLC4000-120VAC is a fluid level controller designed for high alarm and fill stop functions. It operates on 120V AC and includes two power relays rated at 30 A DPDT, along with three dry contacts. The unit features a NEMA 4X rating and comes with a Fill Stop probe.

Used in

Common applications for WATERLINE CONTROLS
Water treatment plants — WLC6000 series controllers for multi-pump fill and alarm management in clearwells and filter backwash tanks.
Wastewater lift stations — WLC5000 series controllers for high/low alarm and pump fill control in wet wells.
Industrial cooling towers — WLC4000 series controllers for basin level control with high alarm to prevent overflow.
Chemical storage tanks — WLC3000 series controllers for automated fill control of conductive process liquids.
Irrigation reservoirs — WLC6000 series controllers for managing multiple fill pumps and alarm conditions in remote sites.
Building sump pump systems — WLC4000 series controllers for high alarm and fill control in basement or mechanical room sumps.

WATERLINE CONTROLS Products

3G Electric supplies WATERLINE CONTROLS fluid level controllers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
FLOWLINE Level Controller: Panel Mount, 4 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1411). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE
FLOWLINE Level Controller: Panel Mount, 4 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1411). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE Level Controller: Panel Mount, 2 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1211). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE
FLOWLINE Level Controller: Panel Mount, 2 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1211). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE Level Indicator: Panel Mount, 4 Relays, LCD, 6 Digits, -4°F to 140°F, 140°F Op Temp - Max (MPN LI40-1001). Key specifications — Display Type: LCD; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE
FLOWLINE Level Indicator: Panel Mount, 4 Relays, LCD, 6 Digits, -4°F to 140°F, 140°F Op Temp - Max (MPN LI40-1001). Key specifications — Display Type: LCD; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE Level Controller: Panel Mount, 0 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1001). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.
FLOWLINE
FLOWLINE Level Controller: Panel Mount, 0 Relays, LED, 6 Digits, -40°F to 149°F, 149°F Op Temp - Max (MPN LI55-1001). Key specifications — Display Type: LED; Brand: FLOWLINE; Mounting: Panel Mount.

More from WATERLINE CONTROLS

View all WATERLINE CONTROLS parts →
Water Level Control: 120V AC, Fill/High Alarm/Low Alarm, 3 Power Relays, 30 A – DPDT, 4 Dry Contacts (MPN WLC5000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Fill Stop.
WATERLINE CONTROLS
Water Level Control: 120V AC, Fill/High Alarm/Low Alarm, 3 Power Relays, 30 A – DPDT, 4 Dry Contacts (MPN WLC5000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Fill Stop.
Water Level Control: 220V AC, Fill/High Alarm/Low Alarm, 4 Power Relays, 30 A – DPDT, 5 Dry Contacts (MPN WLC6000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Reference.
WATERLINE CONTROLS
Water Level Control: 220V AC, Fill/High Alarm/Low Alarm, 4 Power Relays, 30 A – DPDT, 5 Dry Contacts (MPN WLC6000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Reference.
Water Level Control: 220V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT, 3 Dry Contacts (MPN WLC4000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: High Alarm; NEMA Rating: 4X; Probes Included: Reference.
WATERLINE CONTROLS
Water Level Control: 220V AC, Fill/High Alarm, 2 Power Relays, 30 A – DPDT, 3 Dry Contacts (MPN WLC4000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: High Alarm; NEMA Rating: 4X; Probes Included: Reference.
Water Level Control: 220V AC, Fill/High Alarm/Low Alarm, 3 Power Relays, 30 A – DPDT, 4 Dry Contacts (MPN WLC5000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Low Alarm.
WATERLINE CONTROLS
Water Level Control: 220V AC, Fill/High Alarm/Low Alarm, 3 Power Relays, 30 A – DPDT, 4 Dry Contacts (MPN WLC5000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Low Alarm.
Water Level Control: 120V AC, Fill/High Alarm/Low Alarm, 4 Power Relays, 30 A – DPDT, 5 Dry Contacts (MPN WLC6000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Reference.
WATERLINE CONTROLS
Water Level Control: 120V AC, Fill/High Alarm/Low Alarm, 4 Power Relays, 30 A – DPDT, 5 Dry Contacts (MPN WLC6000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Reference.
Water Level Control: 110V AC, Fill, 1 Power Relays, 30 A – DPDT, 2 Dry Contacts, ( 1 ) 30 A – DPDT (MPN WLC3000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Fill; NEMA Rating: 4X; Probes Included: Reference.
WATERLINE CONTROLS
Water Level Control: 110V AC, Fill, 1 Power Relays, 30 A – DPDT, 2 Dry Contacts, ( 1 ) 30 A – DPDT (MPN WLC3000-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Fill; NEMA Rating: 4X; Probes Included: Reference.
Water Level Control: 220V AC, Fill, 1 Power Relays, 30 A – DPDT, 2 Dry Contacts, ( 1 ) 30 A – DPDT (MPN WLC3000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Fill; NEMA Rating: 4X; Probes Included: Fill Start.
WATERLINE CONTROLS
Water Level Control: 220V AC, Fill, 1 Power Relays, 30 A – DPDT, 2 Dry Contacts, ( 1 ) 30 A – DPDT (MPN WLC3000-220VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Fill; NEMA Rating: 4X; Probes Included: Fill Start.
Water Level Control: 120V AC, Fill/Low Alarm, 2 Power Relays, 30 A – DPDT, 3 Dry Contacts (MPN WLC4500-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Fill Stop.
WATERLINE CONTROLS
Water Level Control: 120V AC, Fill/Low Alarm, 2 Power Relays, 30 A – DPDT, 3 Dry Contacts (MPN WLC4500-120VAC). Key specifications — Brand: WATERLINE CONTROLS; Functions: Low Alarm; NEMA Rating: 4X; Probes Included: Fill Stop.