DURAFLUE HANGING COWL STAINLESS STEEL 316 HEAVYWEIGHT WITH 15 YEAR GUARANTEE

36 reviews

This cowl has a 15 YEAR GUARANTEE from Duraflue and is quality engineering. It will not rust and launch itself onto the drive in a year or two like MOST others on the market have a tendency to do. "This really is an issue with many cowls - has happened to me as a fitter too many times... never again" (Julian, Patrick, author of The Stove Fitter's Manual).

Anti-bird/rain cowl that attaches directly to your chimney liner (using a stainless steel Jubilee clip) and then secured to a round-topped chimney pot of 8-11.5" external diameter (again with a Jubilee clip). Available in colours: steel and terracotta (terracotta version is same stainless steel material).

Hanging cowls and adaptors sold on this site are sold by the Duraflue people: NO external spot welds that will cause cowl to break away from pot, NO folds, NO weak spots and only 316-grade stainless steel used.

I have in the past, as a full-time installer, purchased other cowls in the past and they have failed, some within a year. Don't just buy on price - it's not worth it! External spot welds are prone to failure.


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  • Hi there, I have a couple of questions before I order please. 1. If I buy 904 grade liner I assume there are no issues with using this cowl (DURAFLUE HANGING COWL STAINLESS STEEL 316 HEAVYWEIGHT) which is lesser grade steel? I'm only burning wood currently (so maybe 904 grade is overkill?) but I thought that using 904 will give me more options in future + I like the extra guarantee with the 904. 2. My chimney stack is quite small, Maybe 2 feet by 1 foot. I was thinking of using 904 liner but no insulation since I think I read that if the stack is quite small then it's not necessary (although possibly advantageous) to insulate it. Thanks, Jon

    1. If I buy 904 grade liner I assume there are no issues with using this cowl (DURAFLUE HANGING COWL STAINLESS STEEL 316 HEAVYWEIGHT) which is lesser grade steel? I'm only burning wood currently (so maybe 904 grade is overkill?) but I thought that using 904 will give me more options in future + I like the extra guarantee with the 904.

    The cowl is fine at 316. Then material is a lot thicker than the liner so even 316 is belt and braces.   2. My chimney stack is quite small, Maybe 2 feet by 1 foot. I was thinking of using 904 liner but no insulation since I think I read that if the stack is quite small then it's not necessary (although possibly advantageous) to insulate it.

    My personal opinion never insulate. Use the heat from nthe liner to keep damp from the chimney.