Truma 6002 roaring sound and vibration in exhaust/intake pipe, (1 Viewer)

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68c

Oct 22, 2019
1,860
2,890
Southampton
Funster No
65,959
MH
2001 Pilote 270
Exp
Since 2004
A few minutes after ourTruma 6002 starts to actually output heat a rough intermittent roaring sound starts, only stopped by turning down temp. The heater is in a side locker, while it is making the sound the convoluted black plastic outer ducts visibly vibrates, holding the duct quietens it a little but not completely. The heater has worked well for the last couple of years with no problems, nothing has been changed in that time. The exhaust/intake is through the roof, the outlet does not seem damaged or blocked.
 
OP
OP
68c

68c

Oct 22, 2019
1,860
2,890
Southampton
Funster No
65,959
MH
2001 Pilote 270
Exp
Since 2004
Worth a look. I think I may need to remove the whole heater assembly, just not sure if I can access the back. Hope it will not mean a major strip down of the kitchen area.
 
Jul 6, 2009
1,880
2,361
Funster No
7,383
Contamination on the fan blade can throw it out of balance, or the exhaust duct if loose can make a racket

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68c

68c

Oct 22, 2019
1,860
2,890
Southampton
Funster No
65,959
MH
2001 Pilote 270
Exp
Since 2004
Well I removed the heater, not as hard as I anticipated. I have noticed the short stub that fits into the heater exhaust outlet is loose and rattles around. It is secured by two pins pressed into the alloy inlet/outlet duct and fitting into transverse slots in the stub, There is a thin pink O'ring fitted behind the stub but cannot see how it can seal with things being so loose. Any ideas, is this normal? Sorry about the mangled finger, I made a gun secretly in metalwork at school did not work out too well!

20221002_173445.jpg
 
OP
OP
68c

68c

Oct 22, 2019
1,860
2,890
Southampton
Funster No
65,959
MH
2001 Pilote 270
Exp
Since 2004
While the heater is out I have removed the outer cover to look at the electric water heating blanket which does not work, it is labled TRUMA 230V 450W, it also carries HORN Typ 104-115-0652.
After a long web search could not find this number anywhere. Does anyone know the Truma part numbrr please.
 

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