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Newer Valmont tulamp preheat F40 ballast

Newer Valmont tulamp preheat F40 ballast

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This is a newer tulamp preheat ballast made by Valmont. I got a total of 2 of them on ebay for the purpose of restoring a 4 lamp preheater that I might get at some point. It still has long leads and it is about as noisy as the Magnetek one that I have, but it makes more noise when it's first starting up. I tested both of them and they both work.

kulkalmph.JPG westyrsballast.JPG newervalmonttulamp.JPG 1lamphpfph.JPG

Light Information

Light Information

Manufacturer:Valmont
Model Reference:8G1000W
Lamp
Lamp Type:fluorescent
Base:medium bipin
Shape/Finish:straight tube
Fixture
Ballast Type:preheat high power factor 2 lamp ballast
Socket Type:medium bipin
Location:floating
Electrical
Wattage:2 X F40T12
Voltage:120

File information

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Filename:newervalmonttulamp.JPG
Album name:DaveMan / My collection: Gear
Keywords:Gear
File Size:44 KB
Date added:May 01, 2010
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DieselNut
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jonathon.graves johng917 GeorgiaJohn
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May 01, 2010 at 12:22 PM Author: DieselNut
I have a slew of those things. Valmont bought out General Electric's magnetic ballast division, keeping the old GE model numbers, then was later bought by Power Lighting Products.
A word of advice: these son of a guns get HOT in enclosed fixture. I toasted one (over the course of about two years) in one of my wraparounds that I converted to preheat. It will now only run one lamp. I converted that one fixture (in my "mud room") to F32T8 electronic just because I use it so much.
Here is my latest score of the ones like you have:
http://www.lighting-gallery.net/gallery/displayimage.php?pos=-43794
Here is the Power Lighting Products version: (which you were the first to comment on!)
http://www.lighting-gallery.net/gallery/displayimage.php?pos=-41500
Curious, how much did you have to pay for yours? I got mine (the four Valmonts) at a local surplus store for $20 each, which is steep considering I used to give $10 apiece for a case of 10 back when I bought all the Power Lighting Products ones. I got 10 Universal 205-TC-P ones from Craigslist for $10 each last year. Anyway, always a nice find to find NOS preheat two-lamp ballasts. I want to find some more of their three lamp version like I have here:
http://www.lighting-gallery.net/gallery/displayimage.php?pos=-41501

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

DaveMan
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Jun 13, 2010 at 03:25 AM Author: DaveMan
I've been running one of these out in the open for a long term duration test. These actually get hotter than any other tulamp preheat ballast I own. I was initially going to put one in the preheat half of my Westinghouse ceiling fluorescent because it is slightly smaller than the Magnetek that's in there now and I initially thought that would help with the heat dispersion thing because that Magnetek gets hotter in there than it did during my long term duration test out in the open on the living room floor. However, after feeling how hot this Valmont one gets, I don't think it will help the situation at all, and in fact it might even make things a little worse. Now, the vintage rubber wired GE tulamp I have might hold up better since it is of the same smaller size as this one but doesn't get as hot, although it did get a little hotter than the Magnetek did during a long term duration test out in the open, and it doesn't have thermal protection either to make things worse. However, interestingly enough, the last time I checked the ballast channel of the Westy fixture, it looked like there were also holes for a longjohn type tulamp preheat ballast, such as one of the Advance variety, although the way they were set up it would have to be diagonal but somehow it still seemed to fit. However, I prefer the GE design, which is the design with one of the starters going through a set of yellow leads. None the less, I'm going to have to find some preheaters with a cavernous ballast channel or at least some method of staying cool, such as a suspended fixture rather than one that is flushmounted to the ceiling.

David L.
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DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jun 13, 2010 at 08:36 AM Author: DieselNut
Does your fixture have a thick metal housing? The Valmont/Power Lighting ballasts I have seem to run much cooler when installed in the fixtures with the thick metal housings, such as my Miller units. I have also thought about using thermal (heat sink) grease to help cool them. I have only had the one to cook out the tar though. I would say a lamp left in @EOL with one of these would quickly overheat and trash it. I have been running them for years in my shop, in many of the Miller and Sylvania fixtures with no problems. I wonder if a T10 lamp would make it run hotter or cooler? I have never done the comparison.
Is there any way you could put a little spacer behind your fixture, to give a small air gap? if so, that and the heatsink grease would probably keep it cool, if your fixture has a thick enough metal housing.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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