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Author Topic: Ventilation making strange noises  (Read 1438 times)
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silkworm
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« on: September 21, 2014, 12:36:44 PM »

My ventilation suddenly began making a strange noise - loud, harsh rattle. It is a kit from Tuffnell's. I opened it up today and cannot see anything loose and am a bit reluctant to try to get in to the motor itself. Has anybody else had this happen?
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Mary
Nicknack
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Posts: 465

To bead, or not to bead? ..... stupid question!


« Reply #1 on: September 21, 2014, 12:57:13 PM »

Mine does it when it thinks the flame is a bit hot, and stops when I make it cooler.  I think I need to move the end nearest me a bit higher, so it's not so near the flame.

Nick
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Blue Box Studio
Blue sky thinking & a load of hot air
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Just give me the coffee and no one gets hurt!


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« Reply #2 on: September 21, 2014, 01:25:16 PM »

My progrow fan did that when it got too hot.  I've got the box variety rather than the inline kind - in the end it fell apart on me once it stopped and cooled down Shocked Next time I'd go for the inline kind, I was told they don't usually fail?
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Glyn Burton
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« Reply #3 on: September 22, 2014, 03:23:21 AM »

I had the same thing. The fans are made from a thermoplastic which soften and distort when they get hot causing them to rub against the casing and thus making the noise. In the end I bought a different fan and raised the inlet up a bit.
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