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SPEEDAIRE PN21AA170G reverse stem vacuum pump, silver metal body, cylindrical shape

SPEEDAIRE

SPEEDAIRE PN21AA170G Reverse Stem vacuum pump

SKU CH-5YZM-85MXF

A reverse stem component compatible with Speedaire equipment and Grainger part 21AA57

  • Reverse Stem design simplifies installation on compatible systems
  • SPEEDAIRE brand ensures consistent manufacturing quality
  • Compatible with Grainger part number 21AA57 for direct replacement
  • New condition guarantees full factory performance out of the box
  • California Proposition 65 notice discloses regulated chemical content

Reverse Stem Vacuum Pump

The Speedaire PN21AA170G is a new reverse stem vacuum pump designed for technicians who need a direct replacement component for compatible Speedaire equipment. It serves maintenance tasks where the original stem orientation must be matched exactly.

Grainger Part 21AA57 Compatibility

The pump is confirmed compatible with Grainger part number 21AA57 and carries the Speedaire brand designation. California Proposition 65 warnings apply, noting the presence of chemicals known to cause cancer and reproductive harm.

Direct Manufacturer Shipment

This item ships directly from the manufacturer, arriving as a standalone component without additional hardware or instructions. Installers should verify the reverse stem orientation against the existing assembly before fitting, as incorrect alignment is the primary cause of fitment issues.

Highlights

  • Reverse Stem design simplifies installation on compatible systems
  • SPEEDAIRE brand ensures consistent manufacturing quality
  • Compatible with Grainger part number 21AA57 for direct replacement
  • New condition guarantees full factory performance out of the box
  • California Proposition 65 notice discloses regulated chemical content

Specifications

BrandSPEEDAIRE

Questions about this item

What maintenance does the reverse stem require over time?

The reverse stem is a replacement component compatible with Speedaire part 21AA57 and is installed during routine service of the pump assembly.

What limit appears first during continuous operation?

The pump's duty cycle and thermal limits determine how long it can run continuously before requiring a cool-down period.

How much noise and heat does the pump produce when running all day?

Operating noise and heat output depend on the specific pump model this reverse stem fits and the surrounding ventilation.

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