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Watlow

Industrial Heaters, Temperature Sensors & Process Control Solutions

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Watlow - Industrial Heaters, Temperature Sensors & Process Control Solutions

Rosemount

Watlow was founded in 1922 by Louis Desloge Sr. in St. Louis, Missouri, initially manufacturing electric heating elements for the shoe industry. The company’s name, “Watlow,” refers to “low-watt” heaters designed to replace steam heat. Watlow solutions are utilized across various industries, including semiconductor processing, energy generation, diesel emissions control, medical equipment, and foodservice applications, where precise thermal management is critical to operational efficiency and product quality

Over the years, Watlow has expanded its product offerings to include industrial electric heaters, temperature sensors, power and process controllers, and integrated thermal systems. Among its diverse portfolio, Watlow is especially known for its high-performance Process Controllers, Temperature Controllers, and Heaters, which are critical for maintaining efficiency, reliability, and product quality in demanding industrial environments.

We supply genuine Watlow’s advanced Sensors & Process Control instruments with fully managed, door-to-door shipping that includes customs duties and taxes for a seamless, hassle-free experience. With registered companies in both the UK and Ireland, we efficiently handle EU-compliant logistics while supporting global deliveries to key markets such as Turkey, Saudi Arabia, Oman, Nigeria, Indonesia, Malaysia, Vietnam, Mexico, Brazil, Argentina, and Colombia. Our transparent pricing and reliable international shipping ensure timely delivery of high-quality Watlow instruments designed to enhance industrial asset protection and improve operational efficiency across diverse industries.

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Watlow Product Categories

Watlow Heaters are advanced heating solutions is designed for efficient thermal performance across industrial applications.

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Watlow Process Controllers regulate critical process variables like temperature, pressure, and flow for optimized operations.

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Watlow RTD Sensors are highly accurate resistance temperature detectors (RTDs) for precision temperature measurement.

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Watlow Power Controllers are reliable devices that precisely manage electrical power delivery to heating systems.

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Watlow Process Heaters are high-performance heaters engineered to handle complex process heating needs.

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Watlow Temperature Controllers is a user-friendly devices that deliver precise temperature control.

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Watlow Thermocouples are durable temperature sensors that provide fast, accurate measurements for industrial processes.

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Watlow Instruments Applications

Watlow’s thermal solutions are essential across a wide range of industries where precise temperature control is critical to product quality, efficiency, and safety. Their heaters, sensors, and controllers are designed to perform in demanding environments, making them ideal for applications in the semiconductor, aerospace, medical, energy, food processing, and plastics industries. Whether it’s maintaining stable temperatures in complex manufacturing systems or ensuring reliable heat delivery in mission-critical processes, Watlow products help optimize performance and ensure consistent, high-quality results.

Overview
In the energy and power generation industry, precise thermal management is essential for ensuring operational efficiency, system reliability, and regulatory compliance. Watlow’s advanced thermal solutions—including heaters, temperature sensors, and controllers—are designed to perform in the demanding conditions of traditional and renewable energy systems. Their products support efficient energy transfer, maintain critical process temperatures, and improve system safety in a variety of applications, from fossil fuel to nuclear and solar power generation.

Key Applications:

  • Fluid and Gas Heating: Delivering consistent and controlled heating for liquids and gases in power plants, ensuring efficient system performance and reduced emissions.

  • Temperature Control in Turbines and Boilers: Monitoring and regulating temperature to optimize performance, prevent overheating, and extend equipment lifespan.

  • Renewable Energy Systems: Supporting thermal management in solar thermal and hydrogen systems to enhance energy efficiency and stability.

Overview
In the aerospace and defense industry, precise thermal management is vital for the performance, safety, and reliability of mission-critical systems. Watlow’s advanced thermal solutions—including heaters, sensors, and controllers—are engineered to withstand extreme conditions and deliver consistent performance in aerospace and defense applications. Their products ensure reliable operation in high-altitude, high-vibration, and rapidly changing environments, supporting both commercial and military systems.

Key Applications:

  • De-icing and Anti-icing Systems: Providing controlled heat to critical aircraft surfaces and components to prevent ice buildup during flight.

  • Environmental Testing Chambers: Maintaining precise temperature conditions for testing aerospace components under simulated environmental extremes.

  • Avionics and Electronics Cooling: Regulating temperatures in sensitive electronic systems to ensure consistent operation and prevent overheating.

Overview
In the plastic processing industry, precise temperature control is critical for maintaining material consistency, product quality, and production efficiency. Watlow’s thermal solutions provide advanced heating and control technologies that optimize key processes such as extrusion, injection molding, and thermoforming. By delivering reliable and uniform heat, Watlow systems help reduce cycle times, minimize waste, and ensure consistent part quality across a wide range of plastic applications.

Key Applications:

  • Injection Molding: Providing uniform heating in molds and hot runner systems to ensure dimensional accuracy and surface finish.

  • Extrusion Processes: Controlling barrel and die temperatures for consistent material flow and product integrity.

  • Thermoforming: Delivering rapid, even heating to plastic sheets for precise shaping and reduced cycle times.

Overview
In the industrial automation industry, precise thermal control is vital for maintaining efficiency, product consistency, and process safety. Watlow’s advanced heating solutions, sensors, and controllers are engineered to deliver reliable and accurate temperature management in automated systems. Their integrated thermal solutions enhance performance, reduce downtime, and support the high-speed, high-precision demands of modern manufacturing environments.

Key Applications:

  • Process Heating Control: Managing temperature in automated production lines, such as plastics processing, packaging, and material handling systems.

  • Equipment Temperature Regulation: Ensuring stable and controlled heating in machinery and automated tools to maintain consistent performance.

  • Integrated Thermal Systems: Providing custom heating and control assemblies that streamline system design and improve energy efficiency in automated operations.

Overview
In the medical equipment industry, precise thermal management is vital for ensuring device reliability, patient safety, and compliance with stringent healthcare regulations. Watlow’s advanced thermal solutions provide consistent and accurate temperature control for a variety of medical applications, supporting performance and durability in life-saving technologies.

Key Applications:

  • Sterilization Systems: Providing uniform and reliable heating for autoclaves and sterilizers to ensure effective disinfection of medical instruments.

  • Diagnostic Equipment: Controlling temperatures in blood analyzers, DNA sequencers, and other diagnostic devices for accurate test results.

  • Patient Warming Devices: Delivering safe, controlled heat in patient warming systems to maintain body temperature during surgery or recovery.

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Watlow Available Product Part Numbers with Categories

Heaters
Watlow WATROD Tubular Heater
Watlow Screw Plug Immersion Heater
Watlow Flange Immersion Heater
Watlow Circulation Heater
Watlow Square Flange Immersion Heater
Watlow WATROD Duct Heater
Watlow FIREBAR Heater
Watlow STARFLOW Circulation Heater
Watlow WATROD Multicoil Tubular Heater
Watlow Finbar Heater
Watlow EZ-ZONE PM Controller
Watlow F4T Process Controller
Watlow EZ-ZONE PM Express Controller
Watlow EZ-ZONE RM Control Module (RMC) Multi-Function Controller
Watlow EZ-ZONE ST Temperature Controller
Watlow F4S Ramping Temperature Controller
Watlow F4D Ramping Temperature Controller
Watlow EZ-ZONE RM Access Module Multi-Function (RMA) Controllers
Watlow F4P Temperature Controller
Watlow EZ-ZONE RM Limit Module (RML) Multi-Function Controllers
Watlow EZ-ZONE RM High-Density Control Module (RMH) Controllers
Watlow EZ-ZONE RM Expansion Module (RME) Multi-Function Controllers
Watlow EZ-ZONE RM Scanner Module (RMS) Multi-Function Controller
Watlow EZ-ZONE RMA PLUS Remote Access Module
Watlow Series CLS200 Loop Controller
Watlow Rigid Sheath Thermocouple
Watlow Insulated Wire Thermocouple
Watlow AR Style Mineral Insulated Thermocouple with Connection Head
Watlow Pipe Clamp Thermocouple
Watlow Ring Terminal Thermocouple
Watlow AC Style Mineral Insulated Standard Plug Thermocouple
Watlow AF Style Mineral Insulated Thermocouple with Metal Transitions
Watlow AC Style Mineral Insulated Mini Plug Thermocouple
Watlow Rigid Sheath Thermocouple with Threaded Fitting
Watlow Flange Style Thermocouple
Watlow AR Style Mineral Insulated Dual Element Thermocouple w/ Connection Head
Watlow Adjustable Spring Thermocouple
Watlow AF Style Mineral Insulated Dual Element Thermocouple
Watlow Flexible Thermocouple Extensions
Watlow Rigid Sheath Fixed Bayonet Thermocouple
Watlow Nozzle Style Thermocouple
Watlow AB Style Mineral Insulated Cut and Stripped Thermocouple
Watlow AB Style Mineral Insulated Cut and Stripped Dual Element Thermocouple
Watlow PFA Encapsulated Thermocouple
Watlow Large Diameter Rigid Sheath Fixed Thermocouple
Watlow Stainless Steel Shim Style Thermocouple
Watlow AQ Style Mineral Insulated Miniature Transitions Thermocouple
Watlow Brass Shim Style Thermocouple
Watlow AT Style Mineral Insulated Thermocouple For Use with Thermowells
Watlow Grommet Style Thermocouple
Watlow AT Style Mineral Insulated Dual Element Thermocouple
Watlow Adjustable Armor Thermocouple
Watlow EZ-ZONE PM Controller
Watlow F4T Process Controller
Watlow EZ-ZONE PM Express Controller
Watlow EZ-ZONE RM Control Module (RMC) Multi-Function Controller
Watlow EZ-ZONE ST Temperature Controller
Watlow F4S Ramping Temperature Controller
Watlow F4D Ramping Temperature Controller
Watlow EZ-ZONE RM Access Module Multi-Function (RMA) Controllers
Watlow F4P Temperature Controller
Watlow EZ-ZONE RM Limit Module (RML) Multi-Function Controllers
Watlow EZ-ZONE RM High-Density Control Module (RMH) Controllers
Watlow EZ-ZONE RM Expansion Module (RME) Multi-Function Controllers
Watlow EZ-ZONE RM Scanner Module (RMS) Multi-Function Controller
Watlow EZ-ZONE RMA PLUS Remote Access Module
Watlow Series CLS200 Loop Controller
Watlow WATROD Tubular Heater
Watlow Screw Plug Immersion Heater
Watlow Flange Immersion Heater
Watlow Circulation Heater
Watlow Square Flange Immersion Heater
Watlow WATROD Duct Heater
Watlow FIREBAR Heater
Watlow STARFLOW Circulation Heater
Watlow WATROD Multicoil Tubular Heater
Watlow Finbar Heater
Watlow RB Style RTD
Watlow RR Style RTD
Watlow RF Style RTD
Watlow Specialty RTDs
Watlow RT Style RTD
Watlow RC Style RTD
Watlow PM PLUS PID & Integrated Limit Controller
Watlow EZ-ZONE PM Controller
Watlow F4T Process Controller
Watlow EZ-ZONE PM Express Controller
Watlow PM Legacy Temperature & Process Controller
Watlow LV Series Limit Controller
Watlow EZ-ZONE RM Control Module (RMC) Multi-Function Controller
Watlow Series CV Temperature Controller
Watlow EZ-ZONE ST Temperature Controller
Watlow F4S Ramping Temperature Controller
Watlow F4D Ramping Temperature Controller
Watlow WATCONNECT Temperature Control Panel
Watlow EZ-ZONE RM Access Module Multi-Function (RMA) Controllers
Watlow F4P Temperature Controller
Watlow EZ-ZONE RM Limit Module (RML) Multi-Function Controllers
Watlow EZ-ZONE RM High-Density Control Module (RMH) Controllers
Watlow EZ-ZONE RM Expansion Module (RME) Multi-Function Controllers
Watlow EZ-ZONE RM Scanner Module (RMS) Multi-Function Controller
Watlow EZ-ZONE RMA PLUS Remote Access Module

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    Best Prices Guaranteed: We offer the best prices online for a wide range of Watlow Industrial Heaters, Temperature Sensors & Process Control Solutions ensuring you get top-quality products at unbeatable value.

    Efficient Lead Times: While some Watlow instruments may have specific lead times, we strive to reduce them as much as possible. Our dedicated team ensures transparent communication regarding product availability and delivery schedules, keeping you well-informed at every step so you can plan your operations with confidence and avoid any unexpected delays.

    Worldwide Shipping: Whether you’re located in the UK, Ireland (EU) or internationally, our extensive shipping network guarantees fast and reliable delivery of Watlow Instruments. We offer door-to-door service, covering all duties and taxes, so your equipment arrives hassle-free, no matter where you are. With a focus on efficient logistics, we ensure timely shipments to meet your operational needs.

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