Enviro sienna indoor gas fireplace User Manual

DIRECT VENT: This type is identified by the suffix DV. This appliance draws all of its air for combustion from 

outside the dwelling, through a specially designed vent pipe system.
This appliance has been tested and approved for installations from 0 feet to 4500 feet (1372 m) above sea level.
BV: This Vented appliance draws all of its combustion air from the dwelling and must be vented using listed B or L 

vent. May also be vented through a conventional chimney using a chimney liner kit.
This appliance has been tested and approved for installations from 0 feet to 4500 feet (1372 m) above sea level.

In the USA: The appliance may be installed at higher altitudes. Please refer to your American Gas Association 

guidelines which state: the sea level rated input of Gas Designed Appliances installed at elevations above 2000 

(610 m) feet is to be reduced 4% for each 1000 feet (305 m) above sea level. Refer also to local authorities or 

codes which have jurisdiction in your area regarding the de-rate guidelines.

In Canada: When the appliance is installed at elevations above 4500 feet (1372 m), the certified high altitude 

rating shall be reduced at the rate of 4% for each additional 1000 feet (305 m).

• 

This appliance has been tested by INTERTEK (Warnock Hersey) and found to comply with the established 

VENTED GAS FIREPLACE HEATER standards in CANADA and the USA as follows:

TESTED TO: ANSI Z21.88a-2003/CSA 2.33a-2003 VENTED GAS FIREPLACE HEATERS

CAN/CGA 2.17-M91 GAS FIRED APPLIANCES FOR HIGH ALTITUDES

CSA P.4.1-02 TESTING METHOD FOR MEASURING ANNUAL FIREPLACE EFFICIENCY

 

4

Codes And Approvals

This ENVIRO SIENNA Fireplace: 
•  Has  been  certified  for  use  with  either  natural  or  propane  gases.  (See  rating 

label.)

• Is not for use with solid fuels.

• Is approved for bedroom or bed sitting room. (IN CANADA: must be installed 

with a listed wall thermostat. IN USA: see current ANSI Z223.1 for installation 

instructions.)

• Must be installed in accordance with local codes. If none exist, use current 

installation code CAN/CGA B149 in Canada or ANSI Z223.1/NFPA 54 in the USA.

• Must be properly connected to an approved venting system and not connected to 

a chimney flue serving a separate solid-fuel burning appliance.

• Is not approved for closet or recessed installations.

IMPORTANT  NOTICE  (Regarding  first  fire  up):  When  the  unit  is  turned  on 

for the first time, it should be turned onto high without the fan on for the first 4 

hours. This will cure the paint, logs, gasket material and other products used in 

the manufacturing process. It is advisable to open a window or door, as the unit 

will start to smoke and can irritate some people. After the unit has gone through 

the first burn, turn the unit off including the pilot, let the unit get cold then remove 

the glass door and clean it with a good gas fireplace glass cleaner, available at 

your local ENVIRO dealer.