Whiskeymike Posted April 30, 2020 Share Posted April 30, 2020 Building a forced air burner. Blower output is 3”. Tube feeding air with gas introduction is 2.5” flexible exhaust tube. I bought an air blast gate to control air flow volume and need to connect it in. And I’m not finding 2.5” flexible rubber tubing connectors to put gate in. Big box has 3” and 2”. Gonna see if auto parts stores have a 2.5 water hose I can cut 4” sections from to use. You guys have a suggestion of a suitable source of material? Blast gate doesn’t seem to have a lot of length on connectors. Also going to check the shop vac section to see if something there is suitable. Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted April 30, 2020 Share Posted April 30, 2020 Inner tube and a couple of hose clamps. Is the blower one you could restrict the intake on to control the blast? Quote Link to comment Share on other sites More sharing options...
timgunn1962 Posted April 30, 2020 Share Posted April 30, 2020 What is the smallest burner tube diameter and how many burners/ports? There is little point in jumping through hoops to get a blast gate in a 3” line if you are going to be reducing to a 1 1/2” burner with only a quarter of the area further down the line. Quote Link to comment Share on other sites More sharing options...
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