AIR BOX FOR CMF FURNACE

BURNER ORIFICE-NATURAL

Repl Orif Main Brnr #16 Drill

NAT GAS ORIFICE

BURNER ORIFICE #18 NAT

Repl Orif Main Brnr #18 Drill

Main Burner Orifice

NatGas Main Orifice

.020 NatGas Main Orifice #20