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Old 04-11-2020, 13:42   #16
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Re: Diesel Heater Advice

I am currently installing a 14kW hydronic Planar heater. I haven't fired it up yet but I'm impressed with the quality of design & manufacture.
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Old 04-11-2020, 14:25   #17
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Re: Diesel Heater Advice

Thorough info on Chinese diesel heaters. I believe there are 14 episodes now.

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Old 04-11-2020, 20:20   #18
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Re: Diesel Heater Advice

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Originally Posted by goguygo View Post
Thorough info on Chinese diesel heaters. I believe there are 14 episodes now.

Well there goes my morning tomorrow!

Heater bought. Following the advice to go smaller I decided to get this one (a 2Kw model). Yes I will also get a CO detector (hopefully available locally) and will get some more insulation tape for the hot air outlet hose. It might be quite a long run; perhaps as much as 15 feet so definitely worth it if it's thin-wall metal pipe.

Thanks again everyone. Some really great advice here.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 04-11-2020, 21:40   #19
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Re: Diesel Heater Advice

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Originally Posted by DefinitelyMe View Post
Thanks again. Most of the units on Amazon are 5-8Kw. I'd been looking at 5Kw units but I will now search for smaller ones.

$1,200? The ones I'm looking at are going for about $140!
Get the 5k unit you can always run it on lower settings . I have the 5k unit on my columbia 29 defender
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Old 04-11-2020, 22:41   #20
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Re: Diesel Heater Advice

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Be cautious with Chinese heaters, I've seen some catch fire in vans. One thing you need to think about is how much power they consume. My airtronic at startup burns 9.5amp/hr, high burns 5 and low burns 3.5


I wonder how much the installation plays into the issues? I’m part of a Chinese diesel heater Facebook group, and have seen some very questionable installations.
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Old 05-11-2020, 06:31   #21
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Re: Diesel Heater Advice

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Get the 5k unit you can always run it on lower settings . I have the 5k unit on my columbia 29 defender
Too late!

We'll be alright with 2Kw. Minimum temp. here in the winter is about 12C. Having said that we'll want our cabin temp. to be up around 26-28C. We are, as I mentioned, soft.

Three years ago we were in New Zealand. Had to do some repairs and didn't leave until early July. It was getting down into single figures (degrees C) and my wife was walking around everywhere looking very peculiar with a hot water bottle shoved up the front of her shirt and another strapped to her back.
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Old 05-11-2020, 06:34   #22
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Re: Diesel Heater Advice

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I wonder how much the installation plays into the issues? I’m part of a Chinese diesel heater Facebook group, and have seen some very questionable installations.
Indeed. Surely you've never seen the unit itself catch on fire? Just the surroundings from poor planning/insulation right?
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Old 05-11-2020, 08:20   #23
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Re: Diesel Heater Advice

There are several good threads on here that cover the install this is a good one .
https://www.cruisersforum.com/forums...-227258-3.html
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Old 05-11-2020, 08:54   #24
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Re: Diesel Heater Advice

I have one of these "Chinese heaters" onboard my CC Morgan OI 41. and its been great, but like any heater its all about the install. The heater might just cost $200 to buy but I spent close to $400 in parts get it installed. I needed the following to get my install completed:

right angle mounting plate (to allow mounting on a bulkhead )
8ft of Proper espar exhaust hose
1 stainless steel muffler
90 exhaust bend (for bottom of heater)
Transom exhaust fitting
exhaust lagging
insulated ducting
Adjustable damper to balance air flows
Glass work for air intake (from outside of cockpit coaming)
15 amp breaker for panel
wiring
CO detector

But now its setup nicely and I can work/visit my boat in the winter. I still need to insulate the hull to reduce heat loss but that's next.
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Old 05-11-2020, 22:28   #25
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Re: Diesel Heater Advice

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Originally Posted by ABJ87 View Post
I wonder how much the installation plays into the issues? I’m part of a Chinese diesel heater Facebook group, and have seen some very questionable installations.
That is very good question! I do wonder about installation being the reason. I have seen some questionable work on 'bottom of the barrel pricing' devices, so I am slightly jaded. I don't want free or close to it, I'd rather have middle of the ground.
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Old 06-11-2020, 04:27   #26
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Re: Diesel Heater Advice

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I wonder how much the installation plays into the issues? I’m part of a Chinese diesel heater Facebook group, and have seen some very questionable installations.
I have to admit I'm part of those groups on FB too and its good inspiration for what NOT to do. I mostly read those and react with "What the hell were you thinking" There are some massively dodgy and dangerous looking installs there.
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Old 06-11-2020, 07:56   #27
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Re: Diesel Heater Advice

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Originally Posted by Dsanduril View Post
What else do you have in the lazarette? If you have ventilation air coming from there it will smell like whatever is in the lazarette. And if there's anything dangerous (gasoline, paint thinner, propane,....) then might want to re-think that location.

I'll ask a stupid question. If you install it in the lazarette, why would you want your ventilation air to come from the lazarette vs a duct as a "return" from inside the cabin?
I realize it's more duct work, but IMO seems more efficient to draw cold air off the cabin sole as the source of the ventilation air for the unit.
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Old 06-11-2020, 08:10   #28
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Re: Diesel Heater Advice

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I normally need sun cream if it get that hot

How long will the air heater pipes be? I fitted a Webasto before the chinese heater became available. I then went back and put insulation on the heater pipes. On a 4m x 60mm pipe run without the insulation i could hold the back of my hand in front of the outlet. After installing the insulation, it was too hot for more than a couple of seconds, so well worth doing. Although the insulation is quite expensive per metre it was well worth it so the heat now heats the cabin, not the cockpit locker or behind the furniture. Mine is marked Webasto, but believe it isn't a universal Webasto product so you may need to order off e bay etc.

Pete
What material / source of the insulation did you use?
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Old 06-11-2020, 08:23   #29
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Re: Diesel Heater Advice

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What material / source of the insulation did you use?
In my install I used insulated flex duct. Like this
https://www.supplyhouse.com/Hart-Coo...8aAl5lEALw_wcB

It is more commonly available in 4 inch so would need to be adapted to 3 inch at both ends .
Good idea would be to ask your local hvac shops about the 3 inch stuff.

As to the lagging for the exhaust think race car headers .
I used the sleeve type . It is fast and easy to install .
https://www.amazon.com/Inch-Sleeve-S.../dp/B06XHHK17T
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Old 06-11-2020, 08:38   #30
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Re: Diesel Heater Advice

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In my install I used insulated flex duct. Like this
https://www.supplyhouse.com/Hart-Coo...8aAl5lEALw_wcB

It is more commonly available in 4 inch so would need to be adapted to 3 inch at both ends .
Good idea would be to ask your local hvac shops about the 3 inch stuff.

As to the lagging for the exhaust think race car headers .
I used the sleeve type . It is fast and easy to install .
https://www.amazon.com/Inch-Sleeve-S.../dp/B06XHHK17T

This is actually exactly what I used except for one change. I removed the liner and replaced it with smoother aluminum rigid flexible ducting on the theory that it has a smoother internal wall, therefore less turbulence and more air flow.
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