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White rectangular recessed wall heater with steel grille

Dayton

Dayton 3UG18 Recessed Electric Wall-Mount Heater 208/240V White

SKU CH-HJC8-K2HYP

A recessed wall-mount heater delivering up to 2,000 watts at 240 V with four selectable heat settings

  • ColorWhite
  • Four selectable heat outputs match any room size
  • 14-inch wall opening fits standard stud spacing
  • Steel grille resists daily wear in busy areas
  • 208/240 V single-phase power suits most commercial wiring
  • 158 °F temperature rise delivers rapid comfort

Recessed Wall-Mount Heater 208/240V

The Dayton 3UG18 is a recessed electric wall-mount heater designed for light commercial and residential spaces. It operates on single-phase 208/240V AC power at 60 Hz. The unit fits a wall opening of 14 inches wide, 6-3/4 inches high and 4-1/2 inches deep. Its steel grille measures 16 7/8 inches wide and finishes in white.

Four Heat Settings and Air Temperature Rise

The heater delivers four selectable output levels: 2000, 1500, 1000 and 500 watts at 240V or 1500, 1125, 750 and 375 watts at 208V. Corresponding current draws are 8.3, 6.3, 4.2 and 2.1 amps at 240V or 7.2, 5.4, 3.6 and 1.8 amps at 208V. Heat output ranges from 6824 down to 1706 BtuH. Air temperature rise reaches 158 degrees F during operation.

Surface and Recessed Mounting Flexibility

The heater supports both surface and recessed mounting types, allowing installation to suit the wall construction. No additional accessories or software are bundled with the unit. The product carries California Proposition 65 warnings for chemicals known to cause cancer and birth defects or other reproductive harm.

Highlights

  • Four selectable heat outputs match any room size
  • 14-inch wall opening fits standard stud spacing
  • Steel grille resists daily wear in busy areas
  • 208/240 V single-phase power suits most commercial wiring
  • 158 °F temperature rise delivers rapid comfort

Specifications

BrandDAYTON
ColorWhite

Questions about this item

How do I install the 3UG18 recessed heater in a 14-inch wide by 6-3/4-inch high wall opening?

Frame the opening to exactly 14 in. wide, 6-3/4 in. high and 4-1/2 in. deep, run a dedicated 208/240 V AC single-phase circuit with the correct ampacity for the chosen wattage, secure the housing with the supplied mounting brackets, then attach the steel grille.

What maintenance will the 3UG18 heater require after installation?

Periodically shut off power, remove the steel grille, and vacuum dust from the heating elements and interior surfaces to maintain the rated 158 °F temperature rise and prevent overheating.

At what point does the 3UG18 heater's thermal limit activate during continuous operation?

The built-in high-limit safety switch opens when the internal air temperature exceeds the designed 158 °F rise, cutting power to the elements until the unit cools.

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