Skip to content
PRICE DEMOLITION SALE: Hundreds of Job-Crushing Deals. Shop Now >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Final Day

Free Gift Card Details

$100 Order

$10
gift card

$250 Order

$25
gift card

$500 Order

$50
gift card

$1000 Order

$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 11/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

Tjernlund, Dryer Booster with Current Sensor Switch, Drive Type Direct, Fan Diameter 4 in, Air Delivery 200 cfm, Model# M-4CS

Item# 4923523
Top Seller
Tjernlund, Dryer Booster with Current Sensor Switch, Drive Type Direct, Fan Diameter 4 in, Air Delivery 200 cfm, Model# M-4CS

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Tjernlund, Dryer Booster with Current Sensor Switch, Drive Type Direct, Fan Diameter 4 in, Air Delivery 200 cfm, Model# M-4CS

Click or Tap image to Zoom

$169.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • Often used for Duct Booster, Dryer Boosting, Equipment Cooling, Factory Exhaust and many other applications.
  • The Current Sensing Switch is designed to turn the fan when it senses current to another device (your dryer)
  • Easy to Install
  • Uncomplicated operation--turns on/off automatically with dryer
  • Decreases lint build up

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

Versatile and durable this 4in. metal in-line exhaust fan features high pressure air handling performance with low noise and extremely low power usage. This fan and control combination can be used to activate this fan as another appliance, fan, or other device receives power. Often used for Duct Booster, Dryer Boosting, Equipment Cooling, Factory Exhaust and many other applications. The Current Switch is designed to turn 120 VAC devices on when it senses and input current. The Current Switch is UL 94-V0 rated for safety of flammability of plastic materials for parts in devices and appliances. The output switch rating is 120 VAC with a running frequency of 45Hz to 65Hz and its max ambient temperature is 140°F

What's Included

    (1) Fan

Features + Benefits

  • Often used for Duct Booster, Dryer Boosting, Equipment Cooling, Factory Exhaust and many other applications.
  • The Current Sensing Switch is designed to turn the fan when it senses current to another device (your dryer)
  • Easy to Install
  • Uncomplicated operation--turns on/off automatically with dryer
  • Decreases lint build up

Key Specs

AttributeSpecification

item#

4923523

Brand

Tjernlund

Manufacturer's Warranty

1 year limited warranty

Ship Weight

9.0 LB

Drive Type

Direct

Fan Diameter

4 in

Air Delivery

200 cfm

Volts

120

Watts

60

Amps

0.5

Hardwired

No
AttributeSpecification

Speeds (qty.)

1

Max. Fan Speed

3,000 rpm

Noise Level

50 dB

Primary Color

Silver

Assembly Required

No

Outdoor Rated

No

Phase

Single-phase

Power Cord Length

6 ft

Horsepower

0.1 HP

Product Weight

9.0000 lb

Dimensions L x W x H (in.)

9.0 x 9.0 x 9.0 in

Reviews

Questions & Answers

Warranty

Manufacturer's Warranty

1 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.