Quote:
Originally Posted by Eileen
When I went to buy one, (propane) they sold me "check valves" which they said were cheaper but did the same thing.
Of course maybe they are the same thing & they were just having fun with me.
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Wrong! Flashback arrestors will stop a backflow of gasses and they will also stop the much more serious flashback ( flame actually travelling back with the gasses). The check valves will only stop a backflow of gasses. If choosing between them, I'd go with flashback arrestors at the torch.