What Makes A Wood Stove Puff. If strong enough, this vacuum will sometimes reverse the flow inside the chimney, pulling a “gulp” of air back down the flue into the firebox. If you cut down the supply of air too abruptly, the fire instantly consumes the available air, creating a powerful vacuum inside the stove.
This cast iron ship puffs steam when my wood stove gets hot. castiron from www.reddit.com
If strong enough, this vacuum will sometimes reverse the flow inside the chimney, pulling a “gulp” of air back down the flue into the firebox. If you cut down the supply of air too abruptly, the fire instantly consumes the available air, creating a powerful vacuum inside the stove.
If You Cut Down The Supply Of Air Too Abruptly, The Fire Instantly Consumes The Available Air, Creating A Powerful Vacuum Inside The Stove.
If strong enough, this vacuum will sometimes reverse the flow inside the chimney, pulling a “gulp” of air back down the flue into the firebox.