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Old 11-20-2020, 03:06 AM   #1
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Chinese diesel heater

Installed the happybuy 8kw heater in the Willard took me about 8 hrs to get the exhaust and controls and everything else hooked up safely,mounted the unit in engine compartment on forward bulkhead then ran the 3 inch feed under the steps into v berth and after insulating the crap outta v berth turned heater on high for 15 min and temp was 80 in vberth and is a good sized v berth,extremely happy with install and product was easy to mount and install and runs mint,thinking of getting another unit the 5kw just for engine compartment for the cold new England winters
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Old 11-20-2020, 08:41 AM   #2
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I put one of those on the sailboat a couple years ago. Very happy with it, other than the backlight in the control panel failed. It still works, I just can't see the display in daylight. I turn it on and off with the key fob remote and leave the temp set at 20C which is 68F. New display is $12 on eBay, I'll get one over the winter. Would be nice if it had a farenheit display, but I can work with celsius.
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Old 11-20-2020, 08:49 AM   #3
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what is the rated BTU output (please)?
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Old 11-20-2020, 09:07 AM   #4
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Also put one of these in. 5K BTU -- just to take the chill off in the salon.

Full writeup of my install here if interested (link):

https://fc8b4d1f-99be-480d-8c8c-1a29...5eeaba0416.pdf
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Old 11-20-2020, 09:19 AM   #5
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what is the rated BTU output (please)?
They come in several ratings, mine is 8000 btu.
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Old 11-20-2020, 09:44 AM   #6
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Thanks!
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Old 11-20-2020, 09:45 AM   #7
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They come in several ratings, mine is 8000 btu.

Initially you mentioned 8kw, which would be about 27,000 BTU. So is it 8kw or 8000 BTU?
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Old 11-20-2020, 11:01 AM   #8
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Quote:
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Also put one of these in. 5K BTU -- just to take the chill off in the salon.

Full writeup of my install here if interested (link):

https://fc8b4d1f-99be-480d-8c8c-1a29...5eeaba0416.pdf


Got a link to your blogs main page?

*Pirate Voice* Arrrrr...Me-thinks there be treasure there!
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Old 11-20-2020, 11:12 AM   #9
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Got a link to your blogs main page?

*Pirate Voice* Arrrrr...Me-thinks there be treasure there!
https://n37scout.wixsite.com/travels

Links at top of page for Blog, Videos, Projects, etc.

Best,
R
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Old 11-20-2020, 12:59 PM   #10
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On Youtube John McK 47 has extensive tests of Chinese heaters.
One covers the 8kw that appears to be 5kw relabeled.
https://www.youtube.com/user/johnmck1147/videos
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Old 11-20-2020, 08:25 PM   #11
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https://n37scout.wixsite.com/travels

Links at top of page for Blog, Videos, Projects, etc.

Best,
R
Thank you, good sir!
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Old 11-20-2020, 08:31 PM   #12
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How noisy are they ?
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Old 11-20-2020, 09:02 PM   #13
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boatpoker,
That’s like asking how loud is a dog barking?
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Old 11-20-2020, 09:10 PM   #14
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Heard one run in a marina neighbour`s small RV he had parked at the marina. Some annoying clicking but not really noisy, quieter after it got to temp.
I couldn`t work out how to safely conduct the exhaust outside. How did the OP do it?
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Old 11-20-2020, 10:11 PM   #15
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boatpoker,
Thatís like asking how loud is a dog barking?
My apologies for my stupidity.
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Old 11-20-2020, 10:31 PM   #16
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One came with my boat, really nice to take the chill off. Inside the sound is just the sound of the air blowing, and a subtle clicking of the pump. Not bad at all. Outside, it's a lot louder than I thought it would be, always surprises me. Could be the particulars of this installation, which I didn't do.
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Old 11-21-2020, 01:39 AM   #17
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boatpoker,

I bought one just recently to replace an Espar that I was having problems with. It is no more noisy then the Espar. Mine is installed in the engine room with vents in the salon and the forward and aft staterooms. You can't hear the pump ticking and inside the air vents are not noticeable unless you listen carefully. Outside is a different story. You can hear the exhaust from 5 slips away. Again no worse then the Espar was. If you want to hear what the exhaust sound like click on Lepke's link. There is even some videos in which sound levels are taken.

Overall for $100 I can't really fault them.
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Old 11-22-2020, 02:23 AM   #18
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Quote:
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boatpoker,

...............

Overall for $100 I can't really fault them.
that is 10% of the original Planar brand. When I bought the Planar 44D, 4KW-13,600 BTU these were selling at around 40%.

I am sure these work, buyer beware, I do think they are overstated at 8KW, they look a lot like the entry level Planar 2D which is 0.8KW or 2729 BTU
I knew going in I was paying more for the original and chose to do so. In Canada these knock offs are about $225

As for sound when the variable speed fan goes full speed it sounds like a bilge blower, otherwise I can hear the ticking of the pump over regular operation.
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Old 11-22-2020, 04:51 PM   #19
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Chinese diesel heater

My is mounted in engine compartment which is totally soundproofed I cant hear the ticking from the pump just the sound of the 3 inch in feed I took the original adjustable plastic one the rotates out and replaced it with a 3 inch piece of 22 0z copper sheetmetal I rolled about 6 inches long so it just shoots the air out straight into vberth as it being cut threw under the steps into vberth
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Old 11-22-2020, 05:24 PM   #20
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You can mount the pump on a rubber or neoprene membrane to isolate it from the hull or cabinets, it makes the clicking sound of the metering pump very much reduced. My Webasto is mounted that way, neoprene stretched between two mounting points on the side of the cabinet with the pump mounted to the neoprene.
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