Technical content reviewed November 12, 2026 · Tillman & Associates
Where CF1 fits
CF1 ProVector is an electric convection heater for industrial space heating. The manufacturer identifies demanding oil-and-gas applications as an example. It is a starting point when the project needs a convection arrangement and the correct hazardous-location certification.
Begin with the required heat loss and the project’s classification documents. The name of the facility or the presence of another hazardous-location heater does not determine which CF1 model is suitable.
What the construction features mean
The catalog describes a sloped-top cabinet, finned heating elements, optional stainless-steel construction and an optional built-in thermostat. The sloped top discourages objects from being placed across the air outlet; the surrounding installation must still leave the airflow path clear.
Available housing, thermostat and electrical combinations affect the model selected. Include those requirements in the quotation rather than assuming every option can be added to an existing unit.
CF1 and CX1 require separate certification review
Both are ProVector convection-heater families, but their approval and ordering information is separate. The CF1 manual identifies ATEX/IECEx certification and model-dependent temperature codes. Confirm the actual marking, gas group, ambient range and thermostat arrangement against the site specification.
Do not translate a zone or gas-group requirement into a different classification system without an appropriate project review. Send the engineer’s required certification language to Tillman so the proposed model can be checked against it.
Placement and service planning
The owner’s manual specifies dry indoor use. Describe moisture and chemical exposure before selection, and do not interpret a corrosion-related feature as permission for washdown or outdoor installation.
Provide the mounting location, floor and overhead space, obstructions and thermostat position. Qualified personnel must follow the manual for clearances, wiring, inspection and power isolation. Keep the full model and serial number available for future parts inquiries.
What to send Tillman
- Required heat loss or kW and indoor/outdoor design temperatures
- Required hazardous-location classification, gas group and temperature code
- Voltage, phase and frequency
- Ambient conditions, moisture and chemical exposure
- Mounting space, thermostat arrangement, quantity and existing labels
Common questions
Is CF1 interchangeable with CX1?
No. Review each family’s certification, electrical model and options against the project requirements.
Can a stainless cabinet make it a washdown heater?
No. The CF1 manual specifies dry indoor use; materials and exposure suitability must be reviewed separately.
Can I choose it from room area alone?
Provide the heat-loss requirement and building conditions. Floor area alone does not establish the required heating duty.