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Small cast-aluminium motor with transparent finish, rear-foot mount, horizontal or vertical shaft-up orientation

Dayton

Dayton 4YFK4 Unit Bearing Motor 1/47 hp HVAC Control

SKU CH-R4MH-5TK84

Unit bearing motor delivers 16 watts at 550 RPM for HVAC control applications

  • Product colorTransparent
  • 1/47 hp motor delivers 16 W output for efficient HVAC airflow
  • 115 V AC shaded-pole design runs at 550 RPM with 1.1 A draw
  • Auto thermal protection and Class A insulation handle up to 40 °C ambient
  • Totally enclosed air-over cast aluminium frame resists moisture and debris
  • Rear foot mount supports horizontal or vertical shaft-up installation

Compact HVAC Motor

The Dayton 4YFK4 is a unit bearing motor rated at 1/47 hp with a 16 W output. It runs on 115 V AC single-phase power at 60/50 Hz and draws 1.1 A at full load. The shaded-pole design delivers 1,550 RPM nameplate speed for air-over cooling applications.

Direct replacement for failed unit bearing motors

This motor suits technicians swapping out a worn shaded-pole unit in existing HVAC controls. The jump is worth it when the original motor shows thermal-protection trips, bearing noise or reduced airflow. The non-standard frame and rear/foot mounting match many legacy installations without adapter brackets.

Fits horizontal or vertical shaft-up orientation

The totally enclosed air-over enclosure and cast-aluminium frame handle ambient temperatures up to 40 °C. Class A insulation and automatic thermal protection guard against overload. Clockwise lead-end rotation must match the driven load, and the 115 V supply must be available at the mounting location.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 61% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameDAYTON
Product colorTransparent

Questions about this item

What rear‑foot mounting pattern does the 4YFK4 motor use?

The motor is designed for rear/foot mounting with a cast‑aluminium frame that bolts directly to the equipment base.

How do I wire the shaded‑pole motor for 115 V AC operation?

Connect the two leads to a 115 V AC supply; the shaded‑pole design requires no capacitor or start switch.

When should the auto‑reset thermal protector be expected to trip?

It opens automatically if the winding temperature exceeds the Class A limit at 40 °C ambient.

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