Waterline Controls

What Waterline Controls does

Waterline Controls is a Scottsdale, Arizona-based manufacturer of electronic water level control systems and liquid level sensors, operating as a registered trademark and product line of parent company System Dynamics, Inc. The firmographics data lists a founding year of 1985, while company history indicates the Waterline Controls brand was established under System Dynamics, Inc. in 2017. The company builds solid-state electronic sensors designed to replace traditional mechanical float switches, featuring no moving parts, a 15-year expected useful life, and resistance to fouling, plating, and deterioration regardless of water quality. Its product portfolio spans the WLC-WLI Storage Tank Water Level Indicator for fire protection, Vanstone flange sensors (direct replacements for Evapco cooling tower controls), dual probe systems, float switch controls, slow closing valves, motorized ball valves, audible alarms, and engineered products including Lift Station Systems, Simplex/Duplex Booster Systems, and the Nexus Series custom controls. All products are assembled in the USA.

The company serves a diverse set of verticals organized around the primary segments of HVAC systems (cooling tower water level management), fire protection (intrinsically safe tank monitoring), and water & wastewater (pump control, treatment, and sump applications), with secondary segments in well water, tank level and water process, water & oil separation, and data center cooling. Notable enterprise customers include Microsoft, Apple, Google, Dell, and Facebook for data center cooling applications, and the company also cites use in bottle production, nuclear facilities, salt water fisheries, and rainwater harvesting.

Waterline Controls operates a sales-led, direct-to-customer go-to-market exclusively via phone (480-905-1892) and website quote requests, with no apparent third-party resellers, distributors, or digital marketing infrastructure. Pricing is not publicly disclosed; all quotes are handled on a per-inquiry basis by the internal sales team. The company differentiates on durability (99% uptime over 15 years), BMS integration capability, and touch-to-test validation. With 1-10 employees and no disclosed revenue or funding, the business appears to be a small, privately-held, founder/operator-run specialty manufacturer operating in an industrial niche where its proprietary electronic sensor technology and long product lifecycle form the basis of its competitive position.

Name

Waterline Controls

Website

https://waterlinecontrols.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

Waterline Controls manufactures electronic water level control systems and liquid level sensors in Scottsdale, Arizona, under parent System Dynamics, Inc. The company replaces mechanical float switches with solid-state sensors, serving HVAC, fire protection, wastewater, and data center cooling customers via direct sales.

Ownership category

akta.pro rank

Product category

Industrial Water Level Sensors & Controls

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Relay and Industrial Control Manufacturing (335314)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Auto Controls For Regulating Residential & Comml Environments (3822)

akta.pro primary industry

Sensors & Feedback Devices (Pressure, Flow, Position, Encoders, Transducers) (IMAHAGAK)

akta.pro secondary industries

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH), Compressors, Refrigeration Components & Condensing Units (IMADANAG)

Keywords

• Water level controls
• Liquid level sensors
• Cooling tower controls
• Fire protection sensors
• Electronic float switch alternatives

Headquarters

HQ city

Tempe

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Water Level Control Systems and Sensors: Sale of electronic water level control systems, liquid level sensors, and related accessories for industrial and commercial applications

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Waterline Controls designs, manufactures, and sells electronic water level controllers and liquid level sensors used as maintenance-free replacements for traditional mechanical float switches. Its product portfolio includes the WLC-WLI Storage Tank Water Level Indicator, Vanstone Flange Sensors (Evapco-compatible), Dual Probe Systems, Float Switch Controls, Audible Alarms, Slow Closing and Motorized Ball Valves, and engineered systems such as Lift Stations, Simplex/Duplex Booster Systems, and the Nexus Series custom controls. Products are assembled in the USA and serve HVAC/cooling towers, fire protection, water/wastewater, well water, sump pumps, and data center cooling applications.

Product overview

Waterline Controls manufactures electronic water level control systems and indicator kits for industrial and commercial applications. Their core product line consists of electronic level controls that replace traditional float switches, offering maintenance-free operation with 99% uptime over 15 years. The product portfolio includes the WLC-WLI Storage Tank Water Level Indicator for fire protection, various sensors (Vanstone Flange Sensors, Dual Probe Systems, Float Switch Controls), valve accessories (Slow Closing Valves, Motorized Ball Valves, ASCO Redhat Valves), audible alarms, and engineered products (Lift Station Systems, Simplex/Duplex Booster Systems, Custom Controls Nexus Series). Products are designed for applications including HVAC/cooling towers, fire protection, well water, sump pumps, wastewater treatment, and water tank level monitoring. The company integrates with Building Management Systems (BMS) for monitoring and control.

Differentiator

Problem solved

Functional benefit

Brands

• Waterline Controls: Primary brand for electronic water level controls and liquid level sensors for industrial applications including HVAC, fire protection, well water, tank level, and sump pump controls.
• Nexus Series

Products and services

• WLC-WLI Storage Tank Water Level Indicator Fire protection storage tank water level indicator kit that displays percentage level of a storage tank; includes sensor with 50 ft. wire, controller, and mounting assembly, designed for intrinsically safe, maintenance-free monitoring of fire suppression tanks.
• Vanstone Flange Sensors 2-1/2 inch Vanstone flange sensors designed as direct electronic replacements for Evapco cooling tower level controls, available in various sizes for commercial cooling tower applications.
• Lift Station Systems Engineered lift station systems for wastewater collection and pump-out applications, integrating Waterline solid-state level sensing with pump control for municipal and industrial lift stations.
• Simplex Booster Systems Single-pump booster system for boosting water pressure in commercial and industrial water distribution applications.
• Duplex Booster Systems Dual-pump booster system for redundant water pressure boosting in commercial and industrial water distribution applications.
• Nexus Series Custom Controls Custom-engineered control solutions under the Nexus Series brand, designed to meet specific customer application requirements for water level and process control.
• Audible Alarms Audible alarm systems designed as field-installable accessories for water level monitoring and alert notification in industrial water control applications.
• Float Switch Controls Electronic controls designed as direct replacements for mechanical float switches used to start/stop pumps based on water level in sump, tank, and pump control applications.
• Dual Probe Systems Dual probe sensor systems that use two solid-state probes for advanced, redundant liquid level detection in industrial water and process control.
• Slow Closing Valves Slow-closing solenoid valves (including Asco Redhat slow-closing variants) used to prevent water hammer in water level control and cooling tower fill applications.
• Motorized Ball Valves Motorized ball valves used as automated flow control accessories in water level and process control installations.

Quantifiable outcome

• 99% up time over 15 years
• +1 more outcomes

Named customers5 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators1 record

Recent moves6 records

Expansion highlights3 records

Direct peers

• Magnetrol (AMETEK): Magnetrol is a specialist manufacturer of level and flow instrumentation used in process industries, HVAC, and water/wastewater. It is a direct competitor to Waterline's electronic level control offerings in industrial process and building applications.
• OMEGA Engineering: OMEGA Engineering supplies a broad catalog of industrial sensors and controls, including liquid level sensors, switches, and instrumentation for HVAC, water treatment, and process use. It competes with Waterline in electronic level sensing for industrial customers.
• Gems Sensors & Controls: Gems Sensors manufactures liquid level sensors, float switches, and electro-optic level switches used in HVAC, cooling towers, water treatment, and industrial OEM equipment. It competes directly with Waterline in electronic and float-based liquid level control.
• Madison Company: Madison Company designs and manufactures level sensors, float switches, reed switches, and point-level sensing components for OEM and industrial applications. It directly overlaps with Waterline's level switch and float switch alternative products.
• VEGA Grieshaber: VEGA is a leading global manufacturer of level, point level, and pressure measurement instrumentation for industrial process applications. It directly competes with Waterline in electronic liquid level sensing used in water/wastewater, HVAC, and process tanks.
• Flowline (a Klayton brand): Flowline manufactures liquid level measurement and control instruments, including ultrasonic, capacitance, and conductive level sensors used in tanks, sumps, and water/wastewater. It is a direct competitor to Waterline in industrial level sensing.

Broad incumbents

• Endress+Hauser: Endress+Hauser is a major industrial measurement and automation instrumentation supplier offering a broad portfolio of level, flow, pressure, and analytical sensors. It is a broad incumbent competing with Waterline across water/wastewater and process level applications.
• Siemens Smart Infrastructure: Siemens Smart Infrastructure offers BMS, HVAC, and industrial automation solutions, including sensing and control hardware for cooling towers and water systems. It overlaps with Waterline as a broad incumbent in building-level control instrumentation.
• WIKA Instrument: WIKA is a global manufacturer of measurement instrumentation including level, pressure, and temperature sensors used in process and HVAC applications. It is a broad incumbent competing with Waterline in industrial and building water level sensing.
• Honeywell Building Technologies: Honeywell is a broad incumbent in building automation, BMS, and HVAC controls, including sensors and control devices for cooling towers and facility water management. Its expansive portfolio competes with Waterline at the building-system specification level.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/waterlinecontrl

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Waterline Controls