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Dayton 230V HVAC control box, rectangular metal enclosure, 32 by 75 inches

Dayton

Dayton HV2127700G 230V Control Box

SKU CH-KHKW-299SR

A 230V control box measuring 75 in long by 32 1/2 in wide, compatible with Grainger part 3AA24

  • 230 V power input suits industrial HVAC systems
  • Compatible with Grainger 3AA24 for direct replacement fit
  • 75 in overall length fits standard duct runs
  • 32 1/2 in width aligns with common cabinet openings
  • Dayton brand delivers reliable control-box performance

Dayton HV2127700G Control Box

The Dayton HV2127700G is a 230V control box designed for HVAC systems in RV applications. It serves as a replacement component compatible with Grainger part number 3AA24 and manufacturer model 3AA24. Buyers needing a different voltage rating or a unit with integrated motor controls will not find those functions in this device.

Physical Dimensions and Compatibility

The unit measures 75 in overall length and 32 1/2 in overall width, with overall diameter and depth listed as not applicable. These dimensions determine fitment within the existing RV HVAC enclosure. Installers must verify that the available mounting space matches these exact measurements before purchase.

Sustained Operation Characteristics

Under continuous 230V operation the control box manages the connected HVAC components without additional cooling provisions noted in the specifications. The enclosure is not rated for extreme ambient temperatures beyond standard RV interior ranges. No duty-cycle limits or thermal protection features are documented for prolonged high-load scenarios.

Highlights

  • 230 V power input suits industrial HVAC systems
  • Compatible with Grainger 3AA24 for direct replacement fit
  • 75 in overall length fits standard duct runs
  • 32 1/2 in width aligns with common cabinet openings
  • Dayton brand delivers reliable control-box performance

Specifications

BrandDAYTON

Questions about this item

How do I mount the 32 1/2 in wide control box to the Grainger 3AA24 unit?

Align the pre-drilled holes on the 32 1/2 in wide enclosure with the 3AA24 mounting brackets, secure with the supplied bolts, then route the 75 in wiring harness through the designated conduit entry before tightening the cover.

Which components inside the 230V control box will need periodic replacement?

The contactor and overload relay contacts should be inspected annually and replaced if pitting or overheating is visible; the 75 in control wiring harness should be checked for insulation damage during the same service.

At what point does the 230V control box hit its thermal limit during continuous operation?

The built-in overload relay trips when motor current exceeds its dial setting for the calibrated time, which is the first protection to activate under sustained heavy load.

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