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Bunn A10 vs A10a
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Discussions > Coffee > Machines > Bunn A10 vs A10a  
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roach56
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Joined: 17 Jun 2010
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Location: USA
Expertise: I love coffee

Posted Sun Mar 24, 2013, 3:03pm
Subject: Bunn A10 vs A10a
 

The A10a has a half pot switch and normally I would be brewing a half pot. How would that differ from just brewing a half pot in the A10 by adding the half pot amount of water and grounds? Does anyone know what that switch does?
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MJW
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Joined: 25 Jul 2012
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Location: Silicon Valley
Expertise: I love coffee

Posted Sun Mar 24, 2013, 7:32pm
Subject: Re: Bunn A10 vs A10a
 

Seeing no answers here, I don't know for sure but I bet that the switch changes the water flow rate.  When making a half pot you want to slow down the flow of water, so that the brew time remains about 4-6 minutes.  Without the switch, a half pot would brew too quickly and would not taste as good.
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roach56
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Joined: 17 Jun 2010
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Location: USA
Expertise: I love coffee

Posted Mon Mar 25, 2013, 7:41am
Subject: Re: Bunn A10 vs A10a
 

I know they make a reduced flow head for the A10.
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roach56
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Joined: 17 Jun 2010
Posts: 137
Location: USA
Expertise: I love coffee

Posted Tue Apr 2, 2013, 2:33pm
Subject: Re: Bunn A10 vs A10a
 

I just received the bunn a10 with half pot switch. I rinsed the boiler with vinegar several times and got quite a bit of hard water sediment. I can't get it to hold the two pitchers of water that the manual states, just runs out the spray head after about 1 1/2. When I add water to brew, it runs immediately into the filter basket. Is that how these brew? I had one years ago and can't remeber.
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roach56
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Joined: 17 Jun 2010
Posts: 137
Location: USA
Expertise: I love coffee

Posted Wed Apr 3, 2013, 7:18am
Subject: Re: Bunn A10 vs A10a
 

From what I can tell the half pot switch and the start switch are only used if the unit is plumbed in (water Line) to set brew size. Using as a pour over you brew exactly what you pour in the top. I took the top off to set thermostat and found it was set as high as it will go. Temp in the boiler is 200, I would love to dial it up to 205 but will live with it. Brewing this morning produced a weak pot. The brew head is the 5 hole and brews too fast, so I'm plugging two holes until I get another one.


MJW Said:

Seeing no answers here, I don't know for sure but I bet that the switch changes the water flow rate.  When making a half pot you want to slow down the flow of water, so that the brew time remains about 4-6 minutes.  Without the switch, a half pot would brew too quickly and would not taste as good.

Posted March 24, 2013 link

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