Finding the best rheostat variable speed controller suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
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Best rheostat variable speed controller reviews
1. VIVOSUN Variable Vent Fan Speed Adjuster Inline Duct Fan Speed Controller
Feature
ONE SWITCH, 3 SETTINGS: Variable, Off, and FullMULTI-FUNCTIONAL: Makes it easy to adjust the speed of your inline fans and duct fans
SAFE OPERATION: Built-in grounded plug for safe operation with all inline fans
SPECIFICATIONS: Voltage/Frequency:120V/60HZ Max. Amperage:15A
WHATS INCLUDED: Fan Speed Controller with 32"Grounded Power Cord (US standard plug)
2. Midwest Hearth Fan Speed Control Kit | Fireplace and Stove Blowers | On/Off Variable Speed Controller with Rheostat Knob and Hardware
Feature
COMPLETE KIT - Includes speed control, knob, and mounting nut.UNIVERSAL FIT - Fits most pre-drilled OEM fireplace rheostat holes.
INFINITELY ADJUSTABLE - Fine tune the speed and blower noise level exactly where you want it.
TRUE OFF POSITION - Definitive click into OFF. Eliminates noise and power consumption.
RoHs COMPLIANT - 115 Volt 3.0 Amps | 6" Lead Wires
3. TerraBloom Fan Speed Controller For Booster Inline Exhaust and Duct Fans. Blower Airflow and Motor Speed Adjuster. Rated For Up To 350W. Continuous Dial Rheostat Control
Feature
SPEED CONTROLLER FOR BOOSTER FANS: Designed and Tested to Work with TerraBloom Booster Fans. This Speed Controller will allow you to slow down your 6", 8" or 10" booster fans by 25-40% percent from Max Speed. 4" Booster Fans are very quiet even at Max Speed, this controller will only let you slow it down by only 10-15% due to low powered nature of its motor.CHECK FOR COMPATIBILITY: This Fan Speed Controller won't work with Box Fans or Any Fans which have a built-in speed controller or speed settings. Mixing two speed controllers on one fan causes compatibility issues. Use with fans not manufactured by TerraBloom or appliances other than fans is subject to compatibility, flawless performance not guaranteed in such applications.
NOTE ON "HUM" SOUND: If you slow down your fan too much, it'll start making "humming" noise, which signals that the motor is not getting enough power. Each Fan has a speed range that it can operate in, typically the more powerful the motor, the larger the speed range it will have until it starts to "hum". Slowly turn the knob the Highest point to gauge the range of your fan's motor, its lowest safe speed is right before motor starts to "hum".
KEY STATS: Current Capacity: 3.5A, Voltage Capacity: 120V, Rated for up to: 350W. Durable 3-Pole Grounded Plug Construction, No Extra Wires To Deal With. This speed controller's "High", "Med", "Low" marks are for reference purpose only. Some Fans have very little adjustability range due to their motors' constrains, such units can only be adjusted within "High" zone of the controller and will "hum" on Medium and Low settings
WARRANTY: We provide 1 year warranty on these variable fan speed controllers. You can exchange or return the item for any reason within 30 days from purchase date
4. Hongville HV-FSC Variable Fan Speed Controller For Duct And Hydroponics Inline Fans Vent Blower
Feature
Fuse protected, safe and environmental friendly, lightweight, practical and easy to useThree adjustable settings: Variable, off, and full
Variable speed control : Low, medium or high speed
Voltage capacity:120 ac,current capacity:15a,ul certificated for safe to use
Reduces fan noise (decibel level), comes in retail packaging
5. DC Motor Controller, Yeeco DC 10-60V 12V 24V 36V 48V 60V DC Motor Speed Controller, PWM Stepless Brushed Motor Control, Variable Speed Control Generator Kit with Control Switch
Feature
WIDELY OPERATING RANGE:Input:DC 10-60V,max drive current is 6A,Maximum wattage is 300W,PWM pulse width adjustable range: 10%-100%ADJUSTABLE KNOB:DC brush motor speed driver is designed with a voltage adjustment knob, very convenient for voltage control., DC output stepless adjustable.
WIRING TERMINALS DESIGN: The wiring terminals adopts fence type design and is with safety cover, and there is wiring marks on each terminal, please follow the marks when you are wiring.
SPECIFICATION:Small Size:0.43.92.4inch, DC motor speed controller has high precision, wide speed controlling range, low power consumption and long service life
OCCASION:Pwm dc motor speed controller widely used for speed governing device drivers of packaging, printing, electronics, instrument meter, clothing machinery, medical machinery and other industries
6. iPower GLFANXCONTROLMAX Exhaust Variable Vent Fan Speed Adjuster HVAC Controls, Black
Feature
One switch for 3 settings: variable, off, and fullMakes it easy to adjust the speed of your inline fans and duct fans
Built-in grounded plug for safe operation; voltage/frequency: 120V/60Hz Max. Amperage: 15A
Included in package: fan speed controller with grounded power cord (US standard plug)
Note: This controller is not suitable for shaded Pole motor and brushless motor fan
7. Newest For Router Fan Variable Speed Controller Electric Motor Rheostat AC 120V
Feature
This listing is For Router Fan Variable Speed Controller Electric Motor Rheostat AC 120V NewestThree settings include off, on (full) and variable. Simple use the dial to increase or decrease fan motor speed. 120 volt/15 amps.
For use with brush type motors only.
110v /60hz power cord
Attention: Will not work with brushless type motor or soft/slow start motors. Router sold separately.
8. Cdmall Electronic Fan Speed Controller Variable Adjuster for Hydroponics Inline Duct Exhaust Ceiling Fans with 6' Long 120V 15A Cord
Feature
ONE SWITCH, 3 SETTINGS: Variable, Off, and FullMULTI-FUNCTIONAL: Makes it easy to adjust the speed of your inline fans and duct fans
SAFE OPERATION: Built-in grounded plug for safe operation with all inline fans
SPECIFICATIONS: Voltage/Frequency:120V/60HZ Max. Amperage:15A
WHATS INCLUDED: Fan Speed Controller with 6 ft Grounded Power Cord (US standard plug)
9. WFLNHB Variable Speed Controller Fit for Router Fan Electric Motor Rheostat AC 1500W / 120 Volt / 15 amps
Feature
Fit For Router Fan Electric Motor Rheostat Variable Speed Controller AC 1500W / 120 volt / 15 ampsFor use with brush type motors only, Will not work with brushless type motor or soft/slow start motors,Use with centrifugal fans only
Pls confirm the item if it matches your car before you purchase
Three settings include : off / on (full) / variable
Package include : 1 x Speed Controller
10. Rheostat Variable Speed Control for Gas Fireplace Fan, Fan Kit, Wood Stove Fan, Fan Controller for Various Fireplace Blower Kits
Feature
Complete Kit - Includes rheostat, locking nut, knob, double-sided tape and male fast on connectors.Universal Fit - Replacement rheostat variable speed controller used in various fireplace blower kit applications, wood stoves, fans, blowers.
Adjustable Fan Speeds - The blower speed is manually controlled by rotating the speed control knob until the desired speed is achieved. When turned on the first setting will be LOW. HIGH setting may be obtained by obtained by rotating the speed control knob clockwise.
Reduces Fan Noise - You can adjust the speed to where the air movement/noise is right for you.
Technical Details - Volts 120, Frequency (hertz) 60, MAX Consumption (watts) 300, Rheostat UL Approved. Wires measure 9" long (can be cut and peeled off). D-Shaped Stem measures 1/4"
