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Home>Wall Heater Selection Guide>Residential & Commercial Heaters>CWH3000 Series by Qmark

Marley Qmark CWH34083F Premium Commercial Wall Heater - 208 Volts, Three Phase - 4000 Watts - 5 Year Warranty

Part Number CWH34083F
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Marley Qmark CWH34083F Premium Commercial Wall Heater - 208 Volts, Three Phase - 4000 Watts - 5 Year Warranty
Qmark Marley CWH3000 Series Wall Heater
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Mounting Options
Std. Recessed Mounting
Surface Mounting Sleeve [+$69.80]
1" Semi-recessed Mounting Sleeve [+$69.80]
2" Semi-recessed Mounting Sleeve [+$69.80]
Security Cover Tamper-resistant front cover in Northern White [+$102.10]

Qmark Marley Electric Wall Heater
Qmark CWH3000 Series
Commercial Fan-Forced Wall Heater
Qmark Marley Wall Heater
High Output  -  Wide Selection of Wattages and Voltages
Five Year Warranty
Northern White Baked Enamel Finish     


Fast heat response, compact design and versatility make the CWH3000 Series commercial quality heaters ideal for dens, basements, converted attics and breezeways, garages, bathrooms, small offices, workshops and similar areas. Also, adaptable to multiple installations in somewhat larger or odd shaped rooms.




  • Contemporary Design

  • Uniform distribution of warmth

  • Safety standards compliant

  • Durability and easy maintenance



  • Contemporary commercial grade steel grille, designed to provide comfort through optimized airflow

  • Standard Voltage selections: 120, 208, 240 and 277 volts.  347 and 600 Volt versions are available upon request

  • Built-in ON/OFF switch for added safety during maintenance

  • Built-in Disconnect Switch

  • Manual reset thermal overheat protector disconnects power in the event of overheating due to accidental blockage

  • Built-in fan delay switch energizes fan motor only after elements are heated, which prevents discharge of unheated air

  • Integral double-pole thermostat allows for easy adjustment of room temperature to maintain desired comfort level

  • All units have a permanently lubricated fan motor, which creates long life and low maintenance, and gently distributes warmth throughout the area

  • 1 year workmanship warranty, 5 year warranty on element

  • cETLus certified - Conforms to ANSI/UL2021 and CSA C22.2, No. 46

  • Overall Dimensions: 15-3/4" W x 19-5/16" H x 5" D (depth includes grill, which is 1-1/4" deep).  Heater fits in a standard 4" depth wall.

  • Rough-in Dimensions: app. 14-5/16" W x 18-1/4" H x 4" D

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