ANSI Z21.88 / CSA 2.33 “Vented Gas Fireplace Heaters”
CSA 2.17 “Gas Fired Appliances for Use at High Altitudes”
CAN/CSA-P.4.1 Testing Method for Measuring Annual Fireplace Efficiency

With reference to:
CSA C22.2 No. 3 “Electrical Features of Fuel-Burning Equipment

Direct Vented Gas Fireplaces – Masonry Insert

Each product is marked with the following located so as to be easily read when the appliance is in a normally installed position:
1. QAI logo with the ‘c’ and ‘us’ indicators

2. Manufacturers name or recognized trademark
3. Manufacturers location (city, province)
4. Model designation of the appliance
5. The product standards used for the evaluation including the edition of the standard or the most recent effective addenda thereto:
a. ANSI Z21.88 / CSA 2.33 “Vented Gas Fireplace Heater”
b. CSA 2.17 “Gas Fired Appliances for Use at High Altitudes”
c. CAN/CSA-P.4.1 “Testing Method for Measuring Annual Fireplace Efficiency”

6. A distinctive number that will identify an individual appliance for traceability
7. Type of appliance: “Vented Gas Fireplace Heaters”
8. The manufacturer’s normal hourly Btu input rating and manifold pressure in inches of water column
9. The manufacturer’s minimum hourly Btu input rating for an appliance having a multi-rate or automatic modulating control

10. Type of gas for which equipped: “Natural Gas” or “Liquefied Petroleum (Propane)”
11. Minimum permissible gas supply pressure for purpose of input adjustment.
12. The statement: “Vented Gas Fireplace Heater – Not for Use with Solid Fuel.”
a. Note: The size of the lettering used for this marking is Vogue boldfaced upper case type, or equivalent, having a minimum letter height of 0.100 in (2.54 mm). The minimum vertical spacing between lines of type is 0.066 in (1.67 mm). This letter height measurement corresponds to 10-point type. This line spacing measurement corresponds to 2-point leading.

13. On all vented gas fireplace heaters: “This vented gas fireplace heater is not for use with air filters.”
14. Electrical rating including voltage, frequency (hz), total input in amperes. If the total input of all components is less than 12 amperes, the input marking may optionally be shown as “less than XX amperes” where XX is equal to or greater than the total input in amperes.
15. Where applicable, the statement: “FOR USE WITH GLASS DOORS CERTIFIED WITH THE APPLIANCE ONLY” or “NOT FOR USE WITH GLASS DOORS”
16. Where applicable, “For use only with barrier(s) Part No(s). ____. Follow installation instructions.”

Other markings as required by the standard.
Appliance manuals and instructions are provided with each unit.

Please refer to the Listing Document Link at the top of the page for Models and Ratings Charts