4.2testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (35 mb). When installedwith a blower or fan, the junction box must be electrically connected and grounded in accordance with localcodes. In the absence of local codes, use the current ANSI / NFPA 70 National Electric Code. In the casewhere the blower is equipped with a power cord it must be connected into a properly grounded receptacle. Thegrounding prong must not be removed from the cord plug.As long as the required clearance to combustibles ismaintained, the most desirable and beneficial location forthe appliance is in the center of a building, thereby allowingthe most efficient use of the heat created. The location ofwindows, doors and the traffic fl ow in the room where theappliance is to be located should be considered.If the appliance is installed directly on carpeting, vinyl tileor other combustible material other than wood flooring,the appliance shall be installed on a metal or wood panelextending the full width and depth.Air shortage caused by an inadequate air supply, improper log positions, the addition of foreign or unapprovedmaterials or the failure to properly maintain the appliance, may result in incomplete combustion of the fuel.Incomplete combustion results in soot being deposited inside the firebox as well as surfaces outside theappliance. If any soot deposits are observed, shut off the appliance immediately and arrange for it to be servicedby a qualified technician.We suggest that our gashearth products be installedand serviced by professionalswho are certified in the U.S.by the National FireplaceInstitute® (NFI) as NFI GasSpecialistswww.nficertified.orgThis does not apply to stoves.note:1.3 rating plate informationThis illustration is for reference only. Refer to the rating plate on the appliance for accurate information.CERTIFIED UNDER: ANSI Z21.11.2a-2008 VOLUME II, UNVENTED ROOM HEATERW385-0248 / HSERIAL NUMBER: G/CVF42WOLF STEEL LTD.24 NAPOLEON ROAD, BARRIE, ON, L4M 0G8 CANADATHIS APPLIANCE MAY BE INSTALLED IN AN AFTERMARKET,PERMANENTLY LOCATED, MANUFACTURED (MOBILE) HOME, WHERENOT PROHIBITED BY LOCAL CODES. THIS APPLIANCE IS ONLY FOR USEWITH THE TYPE OF GAS INDICATED ON THE RATING PLATE. THISAPPLIANCE IS NOT CONVERTIBLE FOR USE WITH OTHER GASES.THIS IS A GAS-FIRED UNVENTED ROOM HEATER THAT REQUIRESADEQUATE COMBUSTION AND VENTILATION AIR. THIS APPLIANCEIS NOT APPROVED FOR BEDROOM, BATHROOM AND BED-SITTINGROOM INSTALLATION.GVF42-N / CVF42-N MODEL GVF42-P / CVF42-P**0-2000FT (0-610m) ALTITUDE 0-2000FT (0-610m)**30,000 BTU/h INPUT 30,000 BTU/h22,000 BTU/h REDUCED INPUT 22,000 BTU/hMANIFOLD PRESSURE: 3.5" WATER COLUMN MANIFOLD PRESSURE: 10" WATER COLUMNMINIMUM SUPPLY PRESSURE: 4.5" WATER COLUMN MINIMUM SUPPLY PRESSURE: 11" WATER COLUMNMAXIMUM SUPPLY PRESSURE: 7.0" WATER COLUMN MAXIMUM SUPPLY PRESSURE: 13" WATER COLUMNSIT CONTROL: #820637 SIT CONTROL: #820636OPERATING PILOT OXYPROTECTOR: #8214 OPERATING PILOT OXYPROTECTOR: #8404** ABOVE 2,000FT, CONSULT LOCAL AUTHORITY HAVING JURISDICTIONNOT FOR USE WITH SOLID FUEL.WARNING: APPLIANCE SCREENS MUST BE CLOSED WHILE IN OPERATION. DO NOT ADD ANY MATERIAL TO THE APPLIANCE, WHICH WILL COME INCONTACT WITH THE FLAMES, OTHER THAN THAT SUPPLIED BY THE MANUFACTURER WITH THE APPLIANCE. DO NOT USE BLOWER INSERT, HEAT EXCHANGER INSERT, OR OTHERACCESSORIES NOT APPROVED FOR USE WITH THIS HEATER. IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTAINANCE CAN CAUSE PROPERTY DAMAGE, PERSONALINJURY, OR LOSS OF LIFE. REFER TO THE OWNER'S INFORMATION MANUAL PROVIDED WITH THIS APPLIANCE. INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,SERVICE AGENCY OR THE GAS SUPPLIER.MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS:TOP / SIDES / BACK / FLOOR 0”RECESSED DEPTH 22“MANTEL 2”*MAXIMUM HORIZONTAL EXTENSION: 2". SEE INSTRUCTION MANUAL FOR GREATEREXTENSIONS.ELECTRICAL RATING: 115V 0.82AMP, 60HZOPTIONAL FAN KIT: GZ550-KT9700539 (WSL) 4001657 (NGZ)4001658 (NAC) 4001659 (WUSA)MATERIAL: CLASS III A-2, PERMANENT LABEL, 2 MIL MATERIAL, 1 MIL ADHESIVE, 3 MIL TOTAL THICKNESS, COMPUCAL WATERPROOF, NON-WATER SOLUBLE ADHESIVE,CAPABLE OF WITHSTANDING A MAXIMUM TEMPERATURE OF 175° F (79° C).MIN. LETTERING FOR "NOT FOR USE WITH SOLID FUEL.", "UN COMBUSTIBLE SOLIDE NE DOIT PAS ETRE UTILISE AVEC CELUI." TO BE 10 POINT ARIAL, BOLD FACE,UPPER CASE AND 2 POINT LEADING SPACING OR EQUIVALENT.SILVER LETTERING ON BLACK BACKGROUNDMAX OVERALL DECAL SIZE: 8" x 4”SERIAL NUMBERS TO BE ASCENDING FROM G/CVF42000001TITLE: RATING PLATE GVF42 / CVF42REVISION: H: CORRECTED ADHESIVE TEMP LIMIT || 09.27.16_JKDWG#: W385-0248DATE: 10.01.01HSAMPLEThe rating plate must remain with the appliance at all times. It must not be removed.note:1.4 mobile home installationSuitable for mobile home installation where the mobile home has been permanently placed on its site. This appli-ance must not be installed in a bedroom or bathroom.This appliance may be installed in an aftermarket permanently located, manufactured (mobile) home, where notprohibited by local codes.W415-0379 / F / 06.11.18ENgeneral information8