Overview
The Marley Electric QMark EFF4807 is a fan-forced ceiling heater from the EFF Series, designed for locations where floor or wall space is limited. Rated at 3600/4800W with dual-voltage operation at 240/277V, this unit delivers reliable heating for hallways, lobbies, restrooms, and detention facilities. The powder-coated Navajo White steel housing measures 19.13 in L x 15.75 in W x 4.75 in D.
Features
- Fan-forced air circulation for even heat distribution
- Dual voltage: 240V/277V operation
- 3600W and 4800W output
- Accommodates pneumatic/electric or low-voltage controls for BMS compatibility
- Built-in power on/off switch
- Automatic fan delay to eliminate cold drafts on start-up and discharge residual heat
- Ceiling-mounted for unobstructed floor and wall space
- Powder-coated steel construction in Navajo White
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Marley Electric and Heating |
| Brand | QMark |
| Series | EFF Series |
| Model | EFF4807 |
| UPC | 68536002122 |
| Product Type | Fan-Forced Ceiling Heater |
| Voltage | 240/277V |
| Wattage | 3600/4800W |
| Material | Steel |
| Finish | Powder Coated |
| Color | Navajo White |
| Dimensions (L x W x D) | 19.13 x 15.75 x 4.75 in. |
| Mounting | Ceiling |


