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Unpopular opinion: those $200 rotary chimney brushes are a waste, dropped $215 and went back to my $30 flat wire
Bought a rotary whip setup back in March because everyone on the job sites kept saying it was the future for creosote. Spent $215 on the brush head and adapters, ran it on three flues in a house over in Aurora, and it kept stalling out on the second stage glazed tar. My old $30 flat wire brush on a set of 6 foot rods knocked that same glazed stuff out in half the time, no motor whining, no cords in the snow. If your flues are mostly soft soot, maybe it works, but for real stage 2 glazing I want to know if anyone here has actually gotten one of these things to pay off.
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river_scott1d ago
Stage 2 glazing just eats those nylon whips alive. Ran a rotary on a boiler flue last winter, thing spun and polished the tar into a glassy shell instead of breaking it up. Flat wire bites and chips it loose. Trick that worked for me: run the flat wire dry first to crack the glaze, then hit it with the rotary for the powder. Motor still stalls if you push too hard though. Save the rotary for soft soot and tile liners, keep the cheap brush for the nasty stuff.
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