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Rectangular metal gas unit heater, ceiling-mounted, grey finish

Dayton

Dayton 2RYV2A Gas Unit Heater HVAC Control

SKU CH-RG4M-4787N

Delivers 90,000 BTUH input and 72,900 BTUH output with 1,100 cfm airflow, field-convertible between natural gas and propane, and direct-spark ignition at 115 V AC

  • 90,000 BTU input delivers powerful heat for large spaces
  • 72,900 BTU output provides efficient warmth with minimal waste
  • 1,100 CFM airflow circulates heated air quickly and evenly
  • Field-convertible NG/LP design adapts to available gas supply
  • Direct spark ignition ensures reliable starts without pilot light

Heater for small commercial spaces

This gas unit heater delivers 90,000 BtuH input and 72,900 BtuH output with 1,100 cfm airflow. It operates on 115 V AC at 60 Hz and draws 6.4 A full load. The unit suits workshops, garages and warehouses where a single 1/2 in gas connection is available.

Steady heat at 60-degree rise

The direct-spark ignition lights reliably on natural gas or propane without a standing pilot. Air temperature rises 60 degrees F across the heat exchanger during continuous operation. Propeller fan circulation maintains even output at the rated 1,100 cfm without short-cycling under normal thermostat control.

Adjustable mounting with 4-inch flue

The cabinet measures 22 5/8 in high, 30 in wide and 26 3/8 in deep. Mounting height is adjustable and rated for installation at 8 ft. A 4 in flue diameter vents combustion products. The 1/2 in gas inlet accepts standard piping for either fuel type.

Highlights

  • 90,000 BTU input delivers powerful heat for large spaces
  • 72,900 BTU output provides efficient warmth with minimal waste
  • 1,100 CFM airflow circulates heated air quickly and evenly
  • Field-convertible NG/LP design adapts to available gas supply
  • Direct spark ignition ensures reliable starts without pilot light

Specifications

BrandDAYTON

Questions about this item

How loud and how much heat does the 90 000 BtuH input direct-spark propeller unit add when it runs all day?

The heater delivers 90 000 BtuH input and 72 900 BtuH output with a 60 °F temperature rise, drawing 6.4 A at 115 V AC through its propeller fan; noise and surface temperature will depend on the mounting height and room ventilation.

What gas supply and electrical circuit must already be in place for this 1/2-inch-connection heater to operate?

It requires a natural-gas or LP line fitted to a 1/2-inch gas connection and a 115 V AC 60 Hz circuit capable of supplying 6.4 A full-load current.

Will the 4-inch flue and adjustable mounting brackets fit the existing vent run and ceiling joists in an older shop?

The unit uses a 4-inch flue diameter and offers adjustable on-center mounting, so it can align with existing vent piping and joist spacing without modification.

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