jayc89 Posted March 24 Share Posted March 24 Finally got around to commissioning my system. The flow rates at the terminal weren’t as high as I was expecting, and I tracked it down to air leaking from each of the spigots on the distribution boxes, I have two of these https://www.bpcventilation.com/90mm-10-point-re-dis-box all ducts were fitted using suitable rubber o-rings and secured using the supplied spigot clips, should I have used something else too? Duct sealant, tape around the duct/spiggot connection? Link to comment Share on other sites More sharing options...
JohnMo Posted March 24 Share Posted March 24 2 hours ago, jayc89 said: I have two of these https://www.bpcventilation.com/90mm-10-point-re-dis-box I am using similar, used ubbink 90mm sealing rings, no issues. Are you sure you inserted deep enough? Link to comment Share on other sites More sharing options...
jayc89 Posted March 24 Author Share Posted March 24 1 hour ago, JohnMo said: I am using similar, used ubbink 90mm sealing rings, no issues. Are you sure you inserted deep enough? Pulled them out and the rings had wrinkled. Lubed them up with some silicone spray and refitted them, seems to have done the trick. Going to need to check the plenum ends as well now 🙄 Link to comment Share on other sites More sharing options...
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