Re: {Beneteau Owners} B311 or 321 heater install location

[davidcfletcher]

I do not know much about the Wallas unit.  I installed an Espar in our 400.

You want the exhaust exit as high as possible at the stern. Exhaust fumes will end up in the cockpit and boat if it is not at the stern. 

I mounted the unit in the cockpit lazzerette

It takes a little planning but you can get the supply duct into the cabin. You want fresh outside air to supply the heater. Reduce the duct in size as you move it forward. That will increase the pressure. Example start with 90mm then go to 75 and the furthest down to 60mm.

Install the y's backwards to improve flow.

Sent from my Samsung device

-------- Original message --------
From: Steve Mitchell <st...@stevem.net>
Date: 2016-05-10 11:47 PM (GMT-05:00)
To: Beneteau Owners <benetea...@googlegroups.com>
Subject: {Beneteau Owners} B311 or 321 heater install location

I have a 2000 B311 and am planning on installing a Wallas diesel heater so I can have both heat while off the dock, and ventilation and circulation at other times.  The boat already has a Cruisair AC-only air conditioner underneath the main galley sink which I am not keen on removing. 

I'm looking for suggestions as to locations for the heater based on other B311 or 321 owners. 

My two current front runner areas are:

Somehow in the lazarette - this is easy to power, and easy to get fuel, but hard to get the actual heating ducts to the living spaces.

Under the galley sink next to the AC unit. Cramped here, not sure it will fit, and the exhaust is what worries me the most - coming out the side of the hull, and it could potentially be near the water while heeled.

The heater has to be within a decent length of the diesel tank in the stern, near enough to run pipes to the living area for heat and return air, and near the hull somewhere to run the exhaust.

Any other suggestions of where to site this would be much appreciated!

Steve Mitchell - Editor, SailBits.com | st...@sailbits.com | 206-659-6911

Member, Boating Writers International

 

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[Steve Mitchell]

Thanks for the tips!  I definitely want to install the fresh air and exhaust in the stern, which is heavily recommended by Wallas.  There's also enough room in the lazarette, and it's close the fuel tank.  

What I can't figure out is a path to the main salon area for the heating duct.  I can definitely get to the stern stateroom as it's wall is the inside bulkhead of the lazarette, but up to the other areas....?