DC Heaters | McMaster-Carr

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275 Products

Temperature and Humidity Monitoring and Control

Adhesive-Mount Heat Sheets

Stick these flexible heat sheets to container surfaces to warm contents without direct contact.

Ultra-Flexible Constant-Wattage
Heaters for Pipes and Tubes

Wrap the flexible heating element around small-diameter pipes and tubes or pack it into tight spaces.

Hazardous Location Threaded Thermocouple
Probe Transmitters for Liquids and Gases

Safely measure the temperature of liquids and gases wherever flammable gases, dust, and fibers are present. These transmitters convert readings to analog signals and send them to devices such as remote displays and programmable logic controllers (PLCs).

Threaded Thermocouple Probe
Transmitters for Liquids and Gases

Send temperature readings from tanks, containers, and pipes to devices such as remote displays and programmable logic controllers (PLCs) without the need for a separate thermocouple transmitter. Made of either stainless steel or nickel, the probe resists corroding in liquids and gases.

Threaded Thermocouple Probe Transmitters
with Thermowell for Liquids and Gases

As the probe on these transmitters measures temperature, the included thermowell shields it from vibration, impacts, and shock. These transmitters convert readings to analog signals and send them to remote displays, programmable logic controllers (PLCs), and other devices.

Heating, Venting, and Air Conditioning

DIN-Rail Enclosure Heaters

Snap these heaters on a DIN rail inside your enclosure to keep electronics safe from cold and moisture.

Enclosure Heaters

Warm the air in your enclosure to keep electrical components at the ideal operating temperature. Heaters also reduce humidity, preventing condensation that causes corrosion or short circuits.

Miniature Enclosure Heaters

Under 2 ½” long, these tiny heaters fit in tight spaces, such as security camera enclosures. For localized heat in a large enclosure, place them near batteries and other parts that don’t work well in the cold.

Remote-Sensing Enclosure Heaters

A sensor attached to the heater might signal that it’s warm enough near the heater, while other parts of the enclosure are still cold. Moving the sensor away from the heater helps you keep electronics warm and dry, anywhere in the enclosure.

Electric Vehicle Heaters

Quickly heat slow-to-warm vehicles and large truck cabs.

Combination Air Conditioners/Heaters

Be comfortable year-round with units that cool and heat your space.

Fabricating and Machining

Long-Distance Ceiling- and Wall-Mount Heat Lamps

Heat objects from up to 8 ft. away.

Mobile Heat Lamps

Spot-dry paint, adhesives, and other surface coatings and fillers.

3D Printer Extruder Heating Elements

Replace damaged heating elements in your 3D printer, or switch them out to print at a faster speed or higher temperature.