Heaters

Cartridge / Insertion Heaters

Watlow’s cartridge and insertion heaters can be inserted into holes, used as immersion heaters placed directly in liquid or in protective wells, or can be mounted in pipes or vessels.

FIREROD^® Cartridge
High Temperature FIREROD^®
Metric FIREROD
MULTICELL™

The use of these heaters range from clamping them to objects that need heated such as vessels and tanks, fitted into milled groove platens, formed in complex geometries, immersed directly into a liquid being heated or even mounted in ducts for heating air and gas.

WATROD™
High Temperature Tubular
MULTICOIL™
FIREBAR
FINBAR™

Flexible Heaters

Flexible heaters are commonly used to heat irregular surfaces, shapes and pipes. These heaters can be bonded or fastened to parts and are often used for freeze protection.

Silicone Rubber
Line Heating
Polyimide
SERIES EHG

Immersion Heaters

These heaters can be immersed directly in the liquid being heated or put in protective wells. Multiple style mounting adaptors are available.

Screw Plug Immersion
ANSI Flange Immersion
Flange Immersion Heaters
Over-the-Side
FIREROD Immersion

Circulation Heaters

Watlow’s diverse array of circulation heaters range from quartz heaters for aggressive chemicals to large pressure vessel heaters with capabilities up to 3000psi. These heaters can be used for liquids or gases in various applications.

Ultra-Pure Thick Film Quartz
STARFLOW™
WATROD and FIREBAR Circulation

Fluid Delivery Heaters

Watlow fluid delivery heaters provide overall reliable, responsive heating for fluid delivery systems in medical, analytical, water purification and general process applications. Watlow fluid delivery heaters offer precise, repeatable heating, control improving product life.

FREEFLEX^®
Syringe

Air Heaters

Watlow’s air heaters can be used to prevent freezing and condensation in electrical and mechanical housing or can be placed in ducts for forced air heating.

Duct Heaters
Finned Heaters
FIREROD^® Cartridge
Enclosure Heaters

High Temperature Heaters

These high-temperature heaters are used for extreme high temperature applications. The heaters fit applications such as the construction of furnaces and chambers.

MULTICELL™
High Temperature FIREROD^®
High Temperature Tubular
Ceramic Fiber

Specialty Heaters

These specialty heaters are commonly used for high temperature applications or in cases where high watt densities are required. These versatile heating elements can be formed or machined to fit precise heating applications.

ULTRAMIC^® Advanced Ceramic
Thick Film Conduction
Coil and Cable

Strip / Clamp-on Heaters

Bolted or clamped to flat surfaces these heaters can provide freeze or moisture protection. These heaters can be attached to tank or vessel walls for warming.

Mineral Insulated Strip
375 Strip Heaters
FIREBAR Clamp-On
Thick Film Conduction

Band / Barrel Heaters

These heaters can be clamped to most any cylindrical surfaces. The materials used in the construction of these heaters allows them to be used at temperatures up to 1400°F (760°C) or used at low temperatures for freeze protection.

Mineral Insulated Band

Nozzle Heaters

These heaters are formed to fit cylindrical parts. Applications for these heaters range from industrial processes to medical applications.

Mineral Insulated Nozzle
Thick Film Cylindrical
Pre-Coiled Cable Nozzle
THERMASLEEVE^®

Radiant Heaters

Used in non-contact applications where conduction or convection heating is not practical.

RAYMAX Panel
Band and Strip Emitters

Thermostats and Accessories

Watlow provides a variety of thermostats and accessories that can be integrated with the heaters. By providing a one-stop solution customers do not have to use multiple component suppliers.

SERIES EHG
SERIES EHG SL10
ST10 and ST207
Sensors
Bulb and Capillary
Low Liquid Level Sensors

Heater Selection Guide

Heater Selection Guides. Three heating methods: conduction, convection, radiation. Overview of heating solids, liquids, gases, and heating in a vacuum

Heating Solids
Heating Liquids
Heating Gases
Heating in a Vacuum

Products