water pump hose adapter

Methods of cooling laser tubes

water pump hose adapter

Postby andrewblanejr » Sat Oct 01, 2011 11:44 pm

does anybody use this specific pump? http://www.harborfreight.com/264-gph-su ... 68395.html

if so, did it come with the correct adapter/fitting that allows you to hook up your 1/4" ID tubing to it?

im worried about ordering a pump and then having the hose not fit....

/Andrew
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Re: water pump hose adapter

Postby Chankster » Sat Oct 01, 2011 11:52 pm

I ordered this pump and while it came with several nozzle sizes none of them fit. I ended up just shoving the hose in the inner of the nozzle and put some silicone around it. Seems to be working fine so far.
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Re: water pump hose adapter

Postby BenJackson » Sun Oct 02, 2011 12:54 am

I did the same thing, minus the silicone. Oops, meant to do something about that...
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Screw in barbed fitting

Postby bdring » Sun Oct 02, 2011 12:06 pm

I found the the I.D. of one of the pump fittings was just the right size to screw in a NPT pipe thread. It is relatively soft plastic, so the brass fitting just tapped itself as it when in.

It did not leak a drip. Even if it did, it is all under water, so a drip here or there would not matter.
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Re: Screw in barbed fitting

Postby andrewblanejr » Sun Oct 02, 2011 9:10 pm

bdring wrote:I found the the I.D. of one of the pump fittings was just the right size to screw in a NPT pipe thread. It is relatively soft plastic, so the brass fitting just tapped itself as it when in.

It did not leak a drip. Even if it did, it is all under water, so a drip here or there would not matter.


i'm not following...which brass fitting self-tapped itself in? Do you happen to have a supplier link? I googled NPT pipe thread but found tooo much.
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Barbed fitting

Postby bdring » Sun Oct 02, 2011 11:16 pm

I just took all the pump parts to Home Depot and found a part that worked. NPT is National Pipe Thread. I think I used 1/4 NPT which is actually quite a bit larger than 1/4". The brass part had a sharp thread, so it sort of tapped it's way in.

I don't want to open my bucket, but I think it looked like this McMaster p/n 5346K14

5346k25l.gif
5346k25l.gif (12.72 KiB) Viewed 15834 times
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