OM-APEX E V1.06 November 19, 2012
Page 10 APEX CBT
INSTALLATION INSTRUCTIONS cont.
CAUTIONS
Have your gas supplier or a qualied gas tter run a gas supply line into the gas replace. e line must be
properly sized and tted according to the installation codes. Upstream of the supply connection, the tter shall
provide a manual shut-o valve.
1. All installations must comply with local building safety codes.
2. Installation shall be by a licensed, qualied installer experienced in heating equipment installations.
3. THE WOOD SECTION MUST BE VENTED INTO A CHIMNEY APPROVED FOR SOLID FUEL
USE IN GOOD CONDITION. MOST GAS FURNACES ARE VENTED INTO “B” VENTS, THIS
IS UNACCEPTABLE FOR SOLID FUEL APPLIANCES. THE APEX CBT MUST NOT BE
VENTED INTO ANY TYPE OF CHIMNEY THAT ALSO SERVES ANOTHER APPLIANCE.
4. DO NOT CONNECT THE DUCT WORK SO REVERSE OR PARALLEL FLOW IS POSSIBLE.
5. DO NOT RELOCATE ANY OF THE CONTROLS ON THE ORIGINAL OR ALTERNATE
FURNACE.
6. Ensure that all existing or alternate furnace systems are in good operating condition before installing the
add-on. Always maintain required clearances from the existing or alternate furnace.
7. e warm air supply duct system need to be constructed of metal in accordance with NFPA 90B,2-1.1
8. e plenums installed to the furnaces need to be constructed of metal in accordance with NFPA 90B,2-1.3
Blaze King supports the WETT ( Wood Energy Technology Transfer Inc, Canada) & NFI (National Fireplace
Institute, USA). ese organizations provide training and certication for personnel involved in installation
and maintenance of wood heating systems.
If the furnace sits on a combustible oor, a non-combustible shield must be used underneath the furnace and
extending 18 in. out from the charging end and 8 in. on either side of the fuel-loading door. A non-combustible
shield is also required underneath the chimney connector and extending at least 2 in. on either side of the
chimney connector. (minimum size oor protector= 65” x 31.5”)
is oor protection is required to prevent sparks from falling onto the combustible oor. See CSA B365-M87).
It is not required to be a heat protective covering.
This furnace must be installed in compliance with all local codes and regulations.
CLEARANCES TO COMBUSTIBLES
ese clearances are minimum clearances to combustibles. Always
maintain sucient space for servicing, access to ue pipe etc.
WOOD CHARGING END (DOOR) 48 in. (1220 mm)
ONE SIDE (A) 6 in. (150 mm)
OTHER SIDE 18 in. (460 mm)
BACK (B) 3.5 in. (90 mm)
PLENUM & FIRST 2 FT (0.6 M) OF DUCT 1 in. (25 mm)
FLUE (D*) 10* in. (250 mm)
FLUE (C) 18 in. (460 mm) IN CANADA
16 in. (410 mm) IN USA
*check with local codes, 18” may be required for single wall pipe*
Fig. 1a
