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Old 07-23-2013, 01:12 AM   #11
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Join Date: Feb 2011
Posts: 319
Originally Posted by CapuTech View Post
I have now received my kits and installed them. I'm pleased to report that the difference is indeed dramatic. The noise now is essentially limited to the fans. It is difficult to even hear the compressors come on. I wanted to quantify "dramatic", so I did a before/after measurement with a sound pressure level (SPL) meter. The bedroom one was the worst, likely since its a smaller area. Prior to the fix, the SPL meter read around 70db when placed on a pillow at the head of the bed (irrespective of fan speed since the compressor noise/vibration was the dominant sound). After the fix, it read 53-55db depending on fan speed (low to high). For any of you that do not have a SPL meter, there are several free apps you can use for your smart phone.

The actual install of the kit was fairly easy, but you will need a 1/2" ratcheting wrench to remove the compressor mounting bolts. It took me about 30 minutes per unit.

Dometic had no issue sending me the kit. I saw that others were not able to get it from them. PM me if you would like the individual's email that I dealt with. He was very good. Had the kits in about 3 days.
how were you able to get them to ship to you at home? they responded to my email stating it had to be done by an authorized service center only and would not ship to me...

himcules (10x stronger than hercules)
2013 Forest River Berkshire 390BH-60
ex 2007 Jayco Greyhawk 31SS
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