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White cylindrical inline duct fan with mounting bracket and ball-shaped end, compact thermoplastic housing

Soler and Palau

Soler and Palau Mixed Flow Duct Fan 9-1/8 In. L Ball

SKU CH-NKB3-X07WA

In-line duct fan delivers 101 cfm airflow through 4 in ducting with a 26 W IP44 motor running at 2,500 RPM

  • Product typeIn-Line, 2 Speed Mixed Flow
  • Delivers 101 cfm airflow at zero static pressure
  • 26 W motor keeps energy use low
  • IP44 rating protects against splashing water
  • Speed controllable for flexible ventilation
  • Mounting bracket included for straightforward installation

In-line duct fan for general ventilation

This Soler & Palau mixed-flow unit moves 101 cfm of air at zero static pressure through a 4-inch duct. The thermoplastic housing and IP44-rated motor suit indoor or sheltered outdoor installations where continuous or intermittent airflow is required.

26 W motor with speed control

A 120 V AC single-phase motor runs at 2,500 RPM on its single speed setting while drawing 26 W. The IP44 enclosure limits dust and water ingress, and the fan accepts external speed controllers for quieter operation when full output is not needed.

Mounting bracket included for quick installation

The supplied bracket secures the 5 1/2-inch diameter housing to joists or wall studs without extra hardware. Thermoplastic construction resists corrosion in damp environments, and the 104 °F maximum inlet temperature covers typical residential exhaust duties.

How it compares

Measured against everything we stock in Indoor & Outdoor Ceiling Fans, at today’s prices. Recalculated every night.

Price $89.99
Cheaper than about 56% of the 444 comparable items (median $99.99).

Specifications

Product
Brand nameSoler & Palau
Product typeIn-Line, 2 Speed Mixed Flow

Questions about this item

How do I install the mixed flow duct fan in a 4 in duct, and what step is often missed?

Mount the included bracket, insert the 5 1/2 in diameter housing into the 4 in duct, secure with clamps, and wire the 120V AC supply; the step often missed is sealing the duct joints to prevent leakage at .000 in SP.

What maintenance will the mixed flow duct fan need over time?

Periodically clean the thermoplastic housing and mixed flow impeller to maintain the 101 cfm airflow, and verify the IP44-rated motor remains free of moisture ingress.

What limit appears first when the mixed flow duct fan runs continuously?

The maximum inlet air temperature of 104 Degrees F is the first limit reached under sustained operation.

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