Get your HBT Growlers, Shirts and Membership before the Rush!


Home Brew Forums > Home Brewing Beer > DIY Projects > Brew Stands > 120v
Reply
 
LinkBack Thread Tools
Old 01-31-2008, 09:12 PM   #1
RockfordWhite
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2007
Posts: 440
Liked 5 Times on 5 Posts

Default 120v

So i do not have access to a 240V outlet, so I was wondering if you think it would be ok for a Electric Brew Kettle if I used two 120 V heating elements (mind you this is for 10 gallons). The way i figure is i wire them each to separate switches and turn one of them off when the hard boil beings to prevent scorching.

I figure in the HLT 1 120V element should be ok. Does this seem reasonable?

__________________
RockfordWhite is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:14 PM   #2
Brewpastor
Beer, not rocket science
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Brewpastor's Avatar
Recipes 
 
Join Date: Feb 2006
Location: Corrales, New Mexico
Posts: 4,580
Liked 30 Times on 26 Posts

Default

they have the elements out there, so why not?

__________________
Before I learned to brew I was poor, sober and lonely. Now I am just poor.
Brewpastor is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:23 PM   #3
scoates
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2007
Posts: 54
Liked 1 Times on 1 Posts

Default

You'll need to run those on separate circuits, and depending on your kettle geometry, you can run the full wattage during boil.

I boil 5 gal with 1x3000W element in my kettle for a rolling, but not vigorous boil.

Say you find 1500W@120V elements (I think you can run a 3000W@240V element at 120V, but I'm sure someone else will pipe in and tell you why I'm wrong). Note (edit): 3000W@240V is actually 1500W@120V (same element).

1500W@120V is 12.5A. Most household circuits are 15A, so you'll need two circuits to run a pair of 1500W elements.

S

__________________
scoates is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:43 PM   #4
Brewpastor
Beer, not rocket science
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Brewpastor's Avatar
Recipes 
 
Join Date: Feb 2006
Location: Corrales, New Mexico
Posts: 4,580
Liked 30 Times on 26 Posts

Default

Quote:
Originally Posted by scoates
You'll need to run those on separate circuits, and depending on your kettle geometry, you can run the full wattage during boil.

I boil 5 gal with 1x3000W element in my kettle for a rolling, but not vigorous boil.

Say you find 1500W@120V elements (I think you can run a 3000W@240V element at 120V, but I'm sure someone else will pipe in and tell you why I'm wrong). Note (edit): 3000W@240V is actually 1500W@120V (same element).

1500W@120V is 12.5A. Most household circuits are 15A, so you'll need two circuits to run a pair of 1500W elements.

S

I am not positive, but for some reason I think your get 1/4 of the watts when you 1/2 the volts. So a 3000W 220V becomes a 750W 120V
__________________
Before I learned to brew I was poor, sober and lonely. Now I am just poor.
Brewpastor is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:51 PM   #5
HarvInSTL
Feedback Score: 0 reviews
 
HarvInSTL's Avatar
Recipes 
 
Join Date: Apr 2007
Location: Saint Louis, MO
Posts: 739
Liked 2 Times on 2 Posts
Likes Given: 1

Default

I say use the 2000 watt 120v element.

$9 each

http://www.homedepot.com/webapp/wcs/...ctId=100163361

__________________
Primary: Cherry Vanilla Melomel, Blueberry melomel, Orange Cranberry Melomel, Port, Orange Blossom Muscat, Dubbel, Golden Strong

Secondary: 9/9/9/-My version, Carbernet Sauvignon, Merlot, Raspberry Melomel

On deck: Tripel, 5 day IPA Squared, White Russian Imperial Stout

Live in Saint Louis, MO? Then check out www.stlbrews.org and www.garagebrewers.com
HarvInSTL is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:54 PM   #6
slnies
Feedback Score: 0 reviews
 
slnies's Avatar
Recipes 
 
Join Date: Aug 2007
Location: Maple Lake MN
Posts: 867
Liked 3 Times on 3 Posts

Default

Quote:
Originally Posted by scoates
You'll need to run those on separate circuits, and depending on your kettle geometry, you can run the full wattage during boil.

I boil 5 gal with 1x3000W element in my kettle for a rolling, but not vigorous boil.

Say you find 1500W@120V elements (I think you can run a 3000W@240V element at 120V, but I'm sure someone else will pipe in and tell you why I'm wrong). Note (edit): 3000W@240V is actually 1500W@120V (same element).

1500W@120V is 12.5A. Most household circuits are 15A, so you'll need two circuits to run a pair of 1500W elements.

S
Scoates, if you have a 3000w Element @240v it will be less than 1500w at 120v. It's an Ohms law thing, but that does not mean you can't get a 1500w element @ 120v. S.
__________________
Nies

Primary: American Wheat
Secondary: Phils Pils Clone
slnies is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 09:58 PM   #7
slnies
Feedback Score: 0 reviews
 
slnies's Avatar
Recipes 
 
Join Date: Aug 2007
Location: Maple Lake MN
Posts: 867
Liked 3 Times on 3 Posts

Default

Quote:
Originally Posted by HarvInSTL
I say use the 2000 watt 120v element.

$9 each

http://www.homedepot.com/webapp/wcs/...ctId=100163361
1920w is the max on a twenty amp circuit. This is because heating elements are continueos loads. So the circuit must be derated to 80% of the maximum. The reason is that running full bore causes excesive heat in the breaker and the wire, eventualy causing tripping and other bad JUJU.
__________________
Nies

Primary: American Wheat
Secondary: Phils Pils Clone
slnies is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 10:01 PM   #8
Brewpastor
Beer, not rocket science
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Brewpastor's Avatar
Recipes 
 
Join Date: Feb 2006
Location: Corrales, New Mexico
Posts: 4,580
Liked 30 Times on 26 Posts

Default

Quote:
Originally Posted by slnies
1920w is the max on a twenty amp circuit. This is because heating elements are continueos loads. So the circuit must be derated to 80% of the maximum. The reason is that running full bore causes excesive heat in the breaker and the wire, eventualy causing tripping and other bad JUJU.

Such as living in the Best Western down the road while the inspectors figure out whose fault the house fire was.
__________________
Before I learned to brew I was poor, sober and lonely. Now I am just poor.
Brewpastor is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 10:29 PM   #9
ClutchDude
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jan 2008
Location: Austin, TX
Posts: 421
Liked 4 Times on 3 Posts
Likes Given: 2

Default

You'll rarely find a 20 amp circuit regardless. They are usually only found where a floor buffer is used and have the horizontal plug in addition to the verticals . If your hoping to do long term brewing, it'd be easier to install, either yourself or by an electrician, an extra circuit for brewing purposes.

That way you avoid a fire risk and don't have a circuit trip in the middle of brewing....especially if the lights are on the same circuit.

__________________

Landed In Texas.
Primary 1: Blonde?(9/14/2013)
Primary 2: Empty
Sanke madness!
Sanke Spiral Ring Installing, Sanke Coupler diassembly, Keggle Heatshield, Sanke fitting to Soda kegs
ClutchDude is offline
 
Reply With Quote Quick reply to this message
Old 01-31-2008, 10:45 PM   #10
scoates
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2007
Posts: 54
Liked 1 Times on 1 Posts

Default

Oops. You guys are right. I forgot about the "squared" part (-:

3000W@240v = 19.2Ω == 750W@120v

S

__________________
scoates is offline
 
Reply With Quote Quick reply to this message
Reply



Quick Reply
Message:
Options
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
120v HLT arturo7 Kettles, Mash Tuns, & Hot Liquor Tanks 14 01-16-2010 08:01 AM
Need advice- Using 240V water heater element for 120V? MTEXX Brew Stands 7 10-29-2009 04:20 PM
120V heat stick sjlammer Brew Stands 2 07-23-2009 02:27 AM
120V element for HLT?? Pez Kettles, Mash Tuns, & Hot Liquor Tanks 13 04-15-2009 01:45 AM
Yet another 120V Ekeggle idea.. SHvanBommel Kettles, Mash Tuns, & Hot Liquor Tanks 32 10-20-2008 05:22 PM



Newest Threads

LATEST SPONSOR DEALS