Markel CHMS Series Electric Duct Heaters
Markel CHMS Series Finned Tubular Duct Heaters ship 7-9 weeks after order placement.
Warren custom built open coil electric duct heaters are manufactured to your order specifications. The standard lead time (time from order placement until shipment) for these heaters is 6 weeks. Expedited production cycles are available for an additional charge, so please contact us if quick shipment is required.
Markel CHMS Series Finned Tubular Duct Heaters Features:
• Slip-in or flange mount.
• Integral or remote control panels.
• NEMA 1 Control panel is standard, other NEMA ratings are available.
• ETL Listed for zero clearance to combustible surfaces.
• Meets National Electric Code requirements.
• Galvanized steel construction.
• Elements are made of high quality alloy resistor wire, centered and permanently encased within highly compacted, rock-hard refractory material, surrounded by stainless steel sheath.
• All element terminations are threaded stainless steel for positive connection to leads.
• Primary automatic reset and secondary manual reset overtemperature protection.
• Heaters over 48 Amps have fusing per the National Electric Code.
• Minimum duct size is 8” wide x 6” high.
• Maximum wattage is 18.1KW / square foot.
For pricing on a CHMS Series duct heater, please call or e-mail with the following information:
- Volts.
- Phase.
- Kilowatts.
- Width.
- Height.
- Internal duct insulation thickness.
- Control Volts.
- Stages.
- Airflow (Control panel is extended upstream and same height as duct).
› HR (Horizontal left to right).
› HL (Horizontal right to left).
› VU (Vertical up).
- Options
› A (Additional stage).
› C (Disconnecting contactors).
› D (Pneumatic-electric switch).
› E (Circuit fusing for heaters under 48 Amps).
› F (Flanged construction).
› G (Door interlock disconnect switch).
› H1(SCR Control single phase heater).
› H3 (SCR Control three phase heater).
› I (NEMA 1 Dust tight control box).
› J (Electronic step controller).


