P35I Harman ????

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ja3480

New Member
May 21, 2010
9
New York
I purchased a Harman P35I insert with a 4inch 20 ft liner kit. Stove heats great. I know I know BUT..... I have a terrible rumbling sound like base in a car outside of my house all the time. Anyone have any ideas or have you had the same issue??? Any ideas would be great!
 
ja3480 said:
I purchased a Harman P35I insert with a 4inch 20 ft liner kit. Stove heats great. I know I know BUT..... I have a terrible rumbling sound like base in a car outside of my house all the time. Anyone have any ideas or have you had the same issue??? Any ideas would be great!

Check the flame guide( the piece that sticks out over the burn pot). If it is flat this could be the problem. I have the same stove and my guide has a slight upwards curve to it. Others on here have experienced this same noise with the flat flame guide.
 
I have the curved flame guide but still had the problem when I installed the stove.

I resolved my issue by adding more insulation between the liner and the chimney. It sounded as if there was a helicopter flying over my house prior to that.
 
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