What Watlow does

Watlow is a designer and manufacturer of industrial electric thermal solutions, founded in 1922 and headquartered in St. Louis, Missouri. The company addresses the complete thermal loop—heaters, sensors, and controllers—for industrial customers across semiconductor processing, clinical diagnostics, diesel and transportation, heat treatment, foodservice equipment, aerospace and defense, oil and gas, life sciences, and energy sectors. Its product portfolio spans electric heaters (cartridge, circulation, immersion, flexible, tubular, gas delivery, high-temperature, and specialty heaters), temperature and process controllers (single-loop, multi-loop, integrated controllers, power switching devices), sensors (thermocouples, RTDs, fiber optic), and integrated thermal systems including control panels and medium voltage solutions. The company reports over 10,000 customers worldwide, more than 1 million products delivered, and 178 support offices.

The company's technology backbone includes proprietary platforms such as THERMALWATCH for thermal data analytics, ATS (Adaptive Thermal System) used in semiconductor gas delivery systems, TRU-TUNE+ adaptive control algorithms, POWERSAFE for clean-electric replacement of fossil-fuel heating, and the EPM (Enterprise Performance Management) Platform previewed at SPS 2024. Watlow maintains a portfolio of more than 1,000 patents and employs over 800 engineers across 9 technology and development centers and 13 manufacturing facilities globally. The 2022 acquisition of Eurotherm from Schneider Electric expanded the company's automation and process control capabilities with complementary controllers, recorders, and power controllers.

Watlow generates revenue primarily through hardware sales of thermal equipment, with pricing conducted on a quotation basis rather than public list pricing. The company distributes through a hybrid model combining direct sales offices across 18 countries, a global distributor network spanning more than 60 countries, an e-Solutions online portal, and the Watlow SELECT Visual Designer configuration tool. Watlow is privately held under the controlling ownership of Tinicum L.P., a private equity firm that acquired its controlling interest in February 2021. The company has executed multiple acquisitions to expand capabilities, including Yarbrough Solutions Worldwide (2018), CRC Inc. (2020), and Eurotherm (2022), and has opened new manufacturing capacity in Cebu, Philippines.

Name

Watlow

Legal name

Watlow Electric Manufacturing Co.

Website

https://watlow.com

Company type

Private

Founded year

1922

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Watlow designs and manufactures industrial electric heaters, sensors, and process controllers for semiconductor, aerospace, medical, diesel, and energy customers globally, operating 13 manufacturing centers and 178 support offices under Tinicum L.P. ownership.

Ownership category

akta.pro rank

Product category

Industrial Electric Thermal Solutions

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Relay and Industrial Control Manufacturing (335314)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industry

Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC)

Keywords

• Industrial electric heaters
• Temperature process controllers
• Thermal sensors thermocouples
• Power controllers SCR
• Thermal management systems

Headquarters

HQ city

St Louis

HQ country

United States

HQ region

North America

Offices25 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Thermal Equipment Sales: Watlow generates revenue through the sale of thermal equipment including electric heaters (cartridge, circulation, immersion, air, flexible, tubular, gas delivery, high-temperature), temperature and process controllers, power controllers, sensors (thermocouples, RTDs), and integrated thermal systems and panels.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Watlow designs and manufactures the complete electric thermal loop for industrial customers: electric heaters (cartridge, tubular, circulation, immersion, air, flexible, gas delivery, high-temperature and specialty), temperature and process controllers, solid-state power controllers, thermocouples, RTDs and fiber optic sensors, integrated control panels, and the THERMALWATCH intelligent analytics service. Products are configured-to-order, quote-based, and built to serve demanding OEM and process applications in semiconductor, life sciences, foodservice, aerospace, diesel and other industries.

Product overview

Watlow offers a comprehensive thermal management solutions portfolio organized around the "Thermal Loop" concept - the creation and control of thermal processes in industrial applications. The product portfolio spans electric heaters (cartridge, circulation, immersion, air, flexible, tubular, gas delivery, high-temperature, and specialty heaters), temperature and process controllers (single-loop, multi-loop, integrated controllers, power switching devices), sensors (thermocouples, RTDs, fiber optic), and integrated thermal systems (control panels, medium voltage solutions). Following the 2022 acquisition of Eurotherm from Schneider Electric, Watlow expanded its portfolio to include Eurotherm-branded controllers, recorders, and power controllers. The company also provides the THERMALWATCH intelligent analytics platform for data-driven insights, and configuration tools like the Watlow SELECT Visual Designer. The portfolio serves diverse industries including semiconductor processing, aerospace, defense, life sciences, clinical equipment, foodservice, oil and gas, and energy/environmental sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Eurotherm: Temperature and process control, data recorders, power controllers - acquired brand retained after acquisition from Schneider Electric
• WATCONNECT
• POWERSAFE
• THERMALWATCH
• Watlow SELECT
• EZ-ZONE
• FIREROD
• FLUENT
• ULTRAMIC
• HELIMAX
• OPTIMAX
• HYDROSAFE
• FIREBAR
• WATROD
• STREAMLINE
• ASSURANT
• EXACTSENSE
• SERV-RITE
• XACTPAK
• COMPOSER
• EZ-LINK
• DIN-A-MITE
• ASPYRE

Products and services

• THERMALWATCH Intelligent Analytics Solution Cloud-based analytics service that securely integrates and manages thermal system data, applying Watlow's thermal expertise to turn operational data into actionable insights for thermal loop optimization.
• FIREROD Cartridge Heaters High-performance cartridge insertion heaters for precision heating in molds, platens and other demanding industrial applications.
• WATROD Tubular Heaters Versatile tubular heaters suitable for virtually all immersion and air heating applications, including forced circulation of air, gases or liquids.
• FIREBAR Tubular Heaters Tubular heating elements with a unique flat geometry that delivers greater wattage in shorter element and assembly lengths than round tubular heaters.
• Circulation/Flange Heaters Circulation and flange heaters using WATROD and FIREBAR elements for forced circulation of air, gases or liquids in 10-14 inch flange configurations.
• ULTRAMIC Advanced Ceramic Heaters Advanced ceramic heaters designed for clean, contamination-free heating in semiconductor and other contamination-sensitive applications.
• Flexible Heaters (Silicone, Polyimide, STRETCH-TO-LENGTH) Flexible heating solutions spanning silicone rubber heaters, polyimide film heaters and stretch-to-length heaters for semiconductor gas-line and other tight-geometry applications.
• FLUENT In-Line Heaters In-line heaters delivering on-demand heating in a compact, UL- and CSA-certified package for gas delivery and process applications.
• HELIMAX Heat Exchanger Ultra-efficient electronic heat exchanger using Continuous Helical Flow Technology to reduce scaling and lengthen maintenance intervals.
• OPTIMAX Heat Exchanger Next-generation heat exchanger designed for more capital-efficient process heating installations.
• HYDROSAFE Heat Exchanger Indirect heat exchanger suited for dry gas seal applications in process industries.
• ASSURANT Gas Delivery Heaters Gas delivery heater sheaths providing efficient, easy-to-install heating for downstream exhaust duct applications and maximum thermal uniformity.
• POWERSAFE Medium Voltage Thermal System Fully integrated medium voltage control and heating system designed as a clean electric replacement for fossil-fuel process heating solutions.
• STREAMLINE Gas Delivery Thermal System Gas delivery thermal system with ATS (Adaptive Thermal System) technology, providing temperature uniformity, reduced dwell time, extensive diagnostics and rapid development time for semiconductor tools.
• F4T Integrated Process Controller Modular I/O temperature and process controller combining flexibility with touchscreen UI, supporting custom configurations for expanded application requirements.
• EZ-ZONE PM Panel Mount Controller Scalable PID panel-mount controller available in 1/32, 1/16, 1/8 and 1/4 DIN sizes, with TRU-TUNE+ adaptive control and optional Bluetooth via the EZ-LINK app.
• PM PLUS PID Controller PID and integrated limit controller with an intuitive interface for easy setup, programming and readability, offered in 1/8 DIN and other configurations.
• EZ-ZONE RM Integrated Controller Rail-mount integrated controller capable of up to 152 control loops, configurable for PID, limit, high-density and other control functions.
• PM LEGACY Panel Mount Controller Industry-leading PID panel-mount controller using simple control and menu-driven functionality to deliver performance without complexity.
• RMA PLUS Remote Access Module Connectivity module enabling real-time communication across a controller network via built-in Ethernet switch or USB, acting as a Modbus TCP to Modbus RTU gateway for third-party and legacy devices.
• ASPYRE DT SCR Power Controller Intelligent SCR (silicon controlled rectifier) power controller family offering flexibility and scalability from 35 to 2100 amps across multiple industrial applications.
• DIN-A-MITE Power Controllers Compact solid-state power controllers providing up to 80-100 amps in small packages, available in multiple configurations for single and three-phase power control.
• EXACTSENSE Thermocouples Active high-temperature thermocouples for diesel engine aftertreatment systems that deliver accurate, fast-responding exhaust temperature measurements.
• RTD Sensors Resistance Temperature Detector (RTD) sensors providing accurate temperature measurement in a range of industrial applications.
• Fiber Optic Temperature Sensing System Fiber optic temperature sensing and control system engineered for radio-frequency (RF) environments and other electrically noisy applications.
• WATCONNECT Control Panels Integrated control panels combining Watlow heaters and controllers into complete thermal solutions, available in C1 (2018) and large/extra-large (2024) configurations.
• D4T Data Recorder Data recorder with INTUITION that integrates a flexible modular I/O controller with best-in-class ease of use.
• Eurotherm EPower Controller Eurotherm power controller for industrial heating applications, retained as an acquired brand following the November 2022 acquisition from Schneider Electric.
• Eurotherm nanodac Recorder/Controller Eurotherm graphical recorder combining PID control and setpoint programming in a compact unit, retained as an acquired brand following the November 2022 acquisition from Schneider Electric.
• Eurotherm EPack Compact SCR Power Controllers Eurotherm compact SCR power controllers for electrical heating applications, available in single, two and three-phase configurations.
• Eurotherm 3200 Temperature/Process Controller Eurotherm temperature and process controller series (models 3204, 3216, 3208, 32h8) in multiple DIN sizes.
• Eurotherm EPC3000 Programmable Controller Eurotherm programmable controller for efficient and safe process delivery in industrial applications.
• Eurotherm EPC2000 Programmable Controller Eurotherm programmable controller engineered around precision as its core focus for demanding process control applications.
• Eurotherm 6000XIO Distributed Graphic Recorders Eurotherm distributed graphic recorders available with 5.5-inch and 12.1-inch display options for process data visualization.
• Eurotherm 6100A/6180A Paperless Graphic Recorders Eurotherm paperless graphic recorders designed to meet pharmaceutical, aerospace, automotive and food/beverage requirements for process data integrity.
• Eurotherm 6180 AeroDAQ Graphic Recorder Eurotherm aerospace-grade data acquisition and recording system (6180 AeroDAQ) for flight and qualification testing.

Quantifiable outcome

• Precision thermal control supporting advanced semiconductor chip manufacturing at leading fabrication facilities
• +2 more outcomes

Named customers5 records

Segments10 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature10 records

Partnerships

One partnership is on record.

• Eurotherm (from Schneider Electric)coreStrategic or Co-development Partner · 8 June 2022Watlow signed agreement in June 2022 to acquire Eurotherm from Schneider Electric and completed the acquisition in November 2022. This strategic acquisition expands Watlow's product offerings in automation and process control segments, adding Eurotherm's temperature control, power control, and data management solutions to Watlow's portfolio.

Scale indicators10 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Chromalox: Chromalox is the closest direct competitor to Watlow, manufacturing industrial electric heaters, temperature controls, and thermal solutions for process industries including oil & gas, semiconductor, and chemical processing — overlapping nearly the entire Watlow product portfolio.
• Thermon: Thermon specializes in industrial process heating solutions and heat tracing systems for hazardous and non-hazardous environments across oil & gas, power, chemical, and food processing — overlapping Watlow's process heating business with a strong industrial vertical focus.
• Tutco Heating Solutions Group: Tutco manufactures industrial electric heating elements and thermal solutions serving industrial, commercial, and OEM customers — directly comparable product line to Watlow's cartridge, tubular, and immersion heater portfolio.
• Indeeco: Indeeco designs and manufactures industrial electric heating solutions for process and comfort applications, including explosion-proof and hazardous-location heaters — overlapping Watlow's industrial heater portfolio with similar certification requirements.
• Tempco Electric Heater Corporation: Tempco manufactures electric heaters and temperature sensors for industrial and OEM customers, with a custom-engineered product mix comparable to Watlow's design-and-build thermal solutions approach.
• Backer Marathon: Backer Marathon produces industrial tubular heating elements and components, directly competing with Watlow's WATROD and FIREBAR tubular heater lines for industrial and appliance applications.
• Durex Industries: Durex Industries designs and manufactures custom electric heaters and thermal solutions for industrial OEMs, medical, and semiconductor customers — overlapping Watlow's custom-engineered industrial heater business.

Broad incumbents

• Omega Engineering (Spectris): Omega is a broad measurement, sensing, and process control catalog distributor and manufacturer offering heaters, thermocouples, RTDs, and controllers — overlapping Watlow's sensor and heater portfolio but addressing lower-volume, catalog-driven customers as well.
• Emerson Electric (Industrial Automation): Emerson is a large diversified industrial automation conglomerate whose process control and measurement portfolio overlaps with Watlow's controllers and sensors — particularly in flow, temperature, and analytical measurement for process industries.
• Honeywell International (Industrial Solutions): Honeywell's Process Solutions and Industrial Solutions portfolios include thermal management, process control, and sensing technologies that overlap with Watlow's controllers and industrial thermal product lines as part of a much broader industrial conglomerate.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/watlow
• Facebookfacebook.com/watlow-electric-manufacturing-company-202840563114629
• LinkedInlinkedin.com/company/watlow

Compliance19 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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

M&A3 records

Investments

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

Frequently asked questions about Watlow