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Lifegard Aquatics 1-Inch Double Threaded Bulkhead

4.3 out of 5 stars 72 customer reviews
| 22 answered questions

List Price: $7.99
Price: $5.09 & FREE Shipping on orders over $49. Details
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  • Heavy wall bulkhead is molded of highest impact resistant PVC eliminating possibility of finding hidden cracks when filling aquarium
  • Stock color is jet black to match acrylic tank backgrounds
  • All kits contain: bulkhead fitting, gasket, lock nut
19 new from $1.60

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$5.09 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Lifegard Aquatics 1-Inch Double Threaded Bulkhead
  • +
  • Lifegard Aquatics 1-1/2-Inch Standard Threaded Bulkhead
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  • Lifegard Aquatics 3/4-Inch Double Threaded Bulkhead
Total price: $17.80
Buy the selected items together

Product Description

Custom installations are easier and safer with all parts included in this convenient 1-inch Double Threaded Bulkhead.

Product Details

  • Product Dimensions: 2.5 x 2.5 x 2.5 inches ; 3.2 ounces
  • Shipping Weight: 2.9 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B0002DKAU0
  • Item model number: 1" Double
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (72 customer reviews)
  • Amazon Best Sellers Rank: #8,033 in Pet Supplies (See Top 100 in Pet Supplies)

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Ryan on December 6, 2013
Verified Purchase
Its alright. I had two of these (different brand) already on hand and needed a third for my project. This one is of much lesser quality than the fittings I had, its lighter and the wall thickness is less, it only comes with a rubber gasket , no plastic washer for the outside of the tank. The threads were botched up too, very difficult to thread the nut for the first inch. As always Amazon's service was amazing.
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Verified Purchase
If you are using 1" PVC pipe for your aquarium or sump, this is the bulkhead for you. Makes a perfect seal with no leaks. I used it on my 125 gallon tank that I drilled myself and the seal held perfectly.
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Verified Purchase
I'm building a spring box system, and holding 275 gallon distribution tank on my property up on the hill along with a ram pump to get water to my cabin 300 yards below. So I decided to buy these inside/outside threaded bulkhead fittings (which are designed for aquarium's), to adapt to a large modified 24 gallon Rubbermaid tote. The fittings are durable plastic and are three piece design, being the large threaded nipple which has inside and outside threads, a rubber washer and a large plastic six sided nut.. These bulkhead fittings come in a variety of combinations, slip/slip, thread/thread, and thread/slip. For me I wanted thread/thread meaning the inside of the nipple is threaded as well as the outside. The thread size accommodates schedule 40 fittings threads, in my case 1" thread. They also will allow the use of the black, or grey PVC fittings. When I bought these on Amazon in February 2014 the price on these fittings were like $5.25 with free shipping if total purchase was over $25.This was called an "add on" purchase, meaning you could buy other items for $25 and then buy these and the shipping was free. I'm a "Prime" customer but it still required the $25 purchase. Still was a great deal compared to the big box orange, and blue/grey stores. Their prices were all of $15 or more per piece. The only difference was the big box stores bulkhead fittings were not for aquariums and were commercial grade. If I had a large expensive boat and I had to make a choice between the two I would opt for the more expensive store item, but for my job these were perfect. The only real major difference between the two was that the store ones were a little larger in mass and had two rubber washers. This unit has one rubber washer which goes on the water storage side of box.Read more ›
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Verified Purchase
Product arrived as expected and performed as expected. All three pieces of the assembly were present and nothing was damaged or showed defects. (Proper installation requires the rubber seal to be between the flange of the largest piece and the item being installed onto, and the nut threaded against the opposite wall of the item being installed onto.)

Four of these were purchased for an Aqueon 210 glass aquarium with built-in overflows. The predrilled hole size in the glass is 1 3/4" (1.75). These bulkheads were chosen because they have internal threads versus the slip fitting option. This will allow for disassembly later on instead of using solvent to join the pieces which becomes a permanent bond. Three bulkheads are being used as drains and the fourth is being used for return. The return line is the only one currently with anything threaded into the flange side of the piece.

Care must be used when tightening the mating pieces to the internal threads of the bottom, tightening of the internal thread will want to unscrew the thread of the nut against the bulkhead. For my application, once the aquarium was on the stand, the access to the nut was so restricted I could only get a finger tight seal. (In hindsight, a 3" hole saw was used for the stand, and a 4" hole saw would have cost a bit more but alleviated frustration.) I used Banjo NIP100-4 Polypropylene Pipe Fitting, Nipple, Schedule 80, 1" NPT Male x 4" Length (4" extensions) downstream of the bulkhead before installing a ball valve similar to
...Read more ›
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Verified Purchase
I had to purchase one of this as the old one I had started to leak...it fits perfectly into the old hole and provides a tight seal connection...great product and but it again for my other aquarium/vivarium project...
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Verified Purchase
my local stores don't carry anything that worked, these did and are of adequate strength for aquarium bulk heads.
they are no where near the strength of Banjo TF100 Polypropylene Bulkhead Tank...
but the banjo nuts are too big to fit through the existing holes

for an aquarium bulkhead, they have been leakproof for a few months now.
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Verified Purchase
I originally purchased this bulkhead because Lowes was out of the ones I normally use for my rain barrels. It seemed better that those I purchased from Lowes and worked quite well until the weather dipped below 45 degrees. Then both barrels I had these particular bulkheads began to drip leak from the gasket seal. The Lowes bulkheads are still working like champs.

I would suspect that as soon as the weather warms up, the leaking will stop, but this is very disappointing and will take a LOT of work on my part to replace these as they are a different diameter than those I usually use, and I'll have to replace both barrels and all the connecting PVC I use in my rain barrel systems. Luckily for me I have flow control valves between each barrel so I'll only loose about 50 gallons of rain water when I replace them - but I'm still out the cost of two barrels, two bulk heads and all the connector pieces.

Don't buy these unless you can keep your temps above 45 degrees.
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