Description
The Marley Engineered Products MUH03-21 is a Qmark-series electric unit heater engineered for dependable, forced-air heating in commercial, industrial, and utility spaces. Operating at 208/240V with selectable output of 2.2kW or 3kW, this unit heater delivers flexible heating capacity to match the demands of your application without requiring separate models for different voltage supplies.
Key Features
- Dual voltage operation: 208V / 240V
- Selectable heating output: 2.2kW at 208V / 3kW at 240V
- Qmark unit heater design for commercial and industrial environments
- Forced-air heat distribution for rapid, even space heating
- Compact, rugged construction suitable for wall or ceiling mounting
- Designed for use in garages, warehouses, utility rooms, and similar spaces
Product Specifications
- Brand: Marley Engineered Products (Qmark)
- Model / SKU: MUH03-21
- Voltage: 208/240V
- Wattage: 2,200W (208V) / 3,000W (240V)
- Heater Type: Electric Unit Heater
- Series: Qmark MUH
Why Choose the Marley Qmark MUH03-21?
The Qmark MUH series is a trusted name in commercial electric heating. The MUH03-21 offers a cost-effective, low-maintenance alternative to gas-fired unit heaters, with no venting required and straightforward electrical installation. Its dual-voltage capability makes it a versatile choice for facilities with either 208V or 240V single-phase power available, reducing inventory complexity for contractors and facility managers alike.







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