The block on the door handle grabs the latch on the unit allowing the door to seal tightly against the body of the stove. This is for newer stoves with a single door handle. - Compatible with the Blaze King King Catalytic KE-1107 (Ver 1.14), Blaze King King Catalytic KEJ 1107, Blaze King Princess 1010A (Ver 1.12), Blaze King Princess PE1006.
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