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Pipe Fittings and Couplings

Count on Grainger for the fittings, connectors, joints and joiners you need for your next plumbing project. From basic PVC fittings, elbows and tee joints for use in most cold water, waste pipe and drain applications, to steel fittings for use with air, water, oil, natural gas, and steam, we stock a wide selection of sizes to meet your needs. You’ll also find a variety of tube fittings, expansion joints and gaskets.

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Pipe Fittings and Couplings Q&A

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Pipe Fittings and Couplings
(26 Questions : 27 Answers)

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I am trying to locate a Y-connection for the drainage system on my Kitchen's double sink. I saw a DYI or This Old House episode that showed the use of one in the installation of the drain. I can't locate this. Can anyone help me?
1 month ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
3 weeks, 5 days ago
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my hydraulic hose is 1/8 " inside diameter, 1/4" outside diameter .
1600 psi working pressure.
1 month, 2 weeks ago
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Dear Values Customer,

In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
1 month ago
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1 answer

What are dog ears?

This is for underground
4 months, 1 week ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
4 months ago
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i asume i need a 1 1/4 inch expanding internal pipe wrench or something similar to get inside the threaded pipe to be able to remove it as I need it intact with the threaded bolt so that I can put it on the replacement radiator so that it can fit onto the steam pipe from the furnace. this is a steam heat system from i guess 1900 to 1910 in an 1841 house
4 months, 2 weeks ago
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We are sorry but to answer your question we would need more information. There are many different options depending on your application. If you could please call 800-472-4643 and speak with one of our tech reps they will be able to assist you in getting the information you are asking for.

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4 months, 1 week ago
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do you have anything like this for coolant on a diesel engine. a series of reducers would not work because of space limitations
4 months, 2 weeks ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
4 months, 1 week ago
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Wishing to connect ½' flexible electric metal conduit to ½" male or female ½" pipe. High heat exhaust temperatures, from a lawn mower, must be accommodated.
I am going after gophers!
5 months, 3 weeks ago
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Answer: 
Unfortunately we do not stock a fitting that will meet the high heat criteria.

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5 months, 1 week ago
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what are these nuts called?

I am putting a nipple through a drip pan and need a npt nut to seal that nipple to the pan
7 months ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
7 months ago
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Has to be hollow. I need a reducer with no pipe length just male 1" end and female 5/8 on the other end 17-24 threads on both but I can take longer threads , I will just cut them as needed. Basically it's for a high powered rifle with a male 5/8 thread on the barrel and I have a muzzle flash hider with a female 24 thread . Steel isn't a big issue it must be hallow obviously . ( screws on to a 24 thread male 5/8 diameter and the piece I'm attaching has a female 17 thread 1" diameter to the muzzle brake that screws onto the gun. Basically I need to connect the two. It's Custom and the muzzle brake adapter doesn't apply to the gun barrel I have and I want them together
7 months ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
6 months ago
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8 months ago
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Answer: 
We do not offer an item like that at this time, thank you for your enquiry.
7 months ago
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I need to be able to secure the pipes once in the joints. The purpose of the joints is to build a sukkah. . A temporary structure where u put up fabric walls
9 months ago
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Answer: 
You may be referring to a fitting called a side outlet elbow. At your convenience, please view item 22FM04.

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7 months ago
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