Background

The Craftsman Air Compressor 921.152150 is a product manufactured by Midwest Air Technologies Inc. for Sears under the Craftsman Brand. This air compressor is designed with an oil-free, belt drive universal motor and pump. It operates on a single phase 120 VAC, with a minimum circuit requirement of 8.0 Amps. The air compressor has a 4-gallon air tank capacity and is designed to automatically start refilling the tank when the pressure drops below the prescribed minimum. The cut-out pressure, or the point at which the motor stops when the tank has reached maximum air pressure, is 125 PSI. The air compressor is capable of delivering 1.7 standard cubic feet per minute (SCFM) at 90 PSI.

The Craftsman Air Compressor 921.152150 features a regulator that controls the air pressure coming from the air tank. It also includes a tank pressure gauge that indicates the reserve air pressure in the tank, and a quick connect feature for attaching and removing the air hose. The compressor also comes with a tank drain valve used for draining condensation from the air tank. This air compressor is designed for a 50% duty cycle, meaning it should not be run for more than 30 minutes of an hour to prevent damage.

Technical Specifications

  • Model Number: 921.152150
  • Product Type: Air Compressor
  • Regulator Gauge: Controls the outgoing air pressure to the tool.
  • Tank Pressure Gauge: Indicates the reserve air pressure in the tank.
  • Quick Connect: Offers a quick release feature for attaching and removing the air hose.
  • ON/OFF Switch: Controls power to the device.
  • Tank Safety Valve: Allows excess tank pressure to escape into the atmosphere, opens when the tank pressure is above the maximum rated pressure.
  • Regulator: Controls the air pressure coming from the air tank, adjustable via a knob.
  • Tank Drain Valve: Used to drain condensation from the air tank, located at the bottom of the tank.
  • Pump: Oil-Free Belt Drive
  • Motor: 3AHP (Universal)
  • Bore: 1.97"
  • Stroke: 0.98"
  • Voltage Single Phase: 120 VAC
  • Minimum Circuit Requirement: 8.0 Amps
  • Air Tank Capacity: 4 Gallons
  • Cut-in Pressure: 95 PSI
  • Cut-out Pressure: 125 PSI
  • SCFM @ 90 PSI: 1.7
  • Duty Cycle: 50%, should not run more than 30 minutes of one hour.

Warranty

The Craftsman Air Compressor model 921.152150 comes with a full one-year warranty. This warranty covers any manufacturer's defects in material or workmanship. If the product fails within one year of the date of purchase due to these defects, you can return it to the nearest Sears store or service center in the United States. The product will then be replaced or repaired free of charge, depending on the company's decision.

However, if the air compressor is used for commercial or rental purposes, the warranty duration is only 90 days from the date of purchase.

This warranty provides you with specific legal rights, and you might also have other rights that vary from state to state.

Craftsman 921.152150 Owners Manual