I HAVE A HEATILATER DIRECT VENT PROPANE FIREPLACE I PUT IN WHEN I BUILT MY HOME 14 YEARS AGO. THE INSIDE HAS A STONE FRONT FROM THE BOTTOM TO TOP OF OUR CATHEDRAL CEILING. THE OUTSIDE HAS A CHASE BUILT ON. IT IS A DIRECT VENT SO NO CHIMMENY GOING OUT THE TOP. I WANT TO PULL OUT THE PROPANE FP AND PUT IN AN ENGLANDER 25-EPI PELLET INSERT. AFTER PULLING OUT THE OLD FP, I WILL RELINE THE INSIDE (BASICALLY BUILD A BOX) WITH DURA ROCK SHEETS (DO I NEED TO COVER THE DURAROCK WITH TIN?) THEN I PLAN ON PUTTING IN THE INSERT AND VENT IT THROUGH THE BACK OF THE CHASE WITH AN AC-3000 PELLET VENT KIT AND ALSO ATTACH AN AIR INTAKE IN THE BACK. I WILL REMOVE THE OLD FP VENTING. THE MEASUREMENTS OF THE FRONT OF MY OLD FP ARE 37" TALL AND 47" WIDE. THE OUTSIDE CHASE IS EVAN WIDER, SO THE BOX I BUILD WILL HAVE PLEANTY OF ROOM TO MEET ANY OF THE CLEARENCIES FOR THE NEW PELLET INSERT. MY QUESTION IS, DOES ALL THIS SOUND LIKE IT WILL WORK MEETING CODE OR DOES ANYONE SEE ANY PROBLEMS I AM GOING TO RUN INTO OR NEED TO DO?
THANK YOU IN ADVANCE FOR YOUR HELP.
THANK YOU IN ADVANCE FOR YOUR HELP.