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Yard Hydrant Replacement

Introduction

A leaking or low-pressure yard hydrant needs to be replaced. Completing the repair yourself will save you time and money, and it will save water.

Replacing a yard hydrant is a straightforward process that requires no specific plumbing knowledge. You can complete this repair in about 4 hours using common tools you likely have, and you can find the materials you need at any hardware store. When you are finished, you will have a leak-free yard hydrant that you can use for watering plants and animals.

What you need

    • Unpack materials and gather your tools. Set them near the yard hydrant location where you can easily reach them, but not so close that you may accidentally step on them.

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    • Shut off your water supply. Locate and identify your water shut off valve for your location.

    • The water supply shut off valve is located in different places, depending on your property.

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  3. Yard Hydrant Replacement: step 3, image 1 of 1

    • Open the lever on the hydrant. Drain the remaining water and relieve pressure on the line.

    • The water should eventually stop running.

    • The handle should be UP to open the lever.

    • If the water does not stop running after approximately 1 minute, close the hydrant lever and make sure the water line is shut off.

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  4. Yard Hydrant Replacement: step 4, image 1 of 1

    • Dig a hole around the hydrant pipe. The hole should be approximate 20” x 20” to allow for adequate work space.

    • Always call 811 before you dig to know where gas and electric lines are located on your property.

    • Avoid unnecessary risk due to unstable ground and potential injuries when digging. Digging is strenuous; lift small loads with your legs, and always turn your feet to avoid serious injury.

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  5. Yard Hydrant Replacement: step 5, image 1 of 1

    • Continue digging until you reach the water feed line. You may need to use the post hole digger and a digging bar to help.

    • The water feed line will be placed below the frost line. As you approach the water feed line, you may encounter drainage gravel.

    • Water feed line, for reference.

    • Use caution when your hole begins to approach the frost line so as to not damage the water feed line. For a general idea of frost line depth in your area,see this map as a guide.

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    • Clear around fittings. Once your hole has reached the water feed line, use a small shovel or trowel to clear dirt from around the junction and from around the semi-flexible water feed line.

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  7. Yard Hydrant Replacement: step 7, image 1 of 1

    • Loosen the hose clamp ring from the wall bracket holding up hydrant using a flat-head screwdriver.

    • Remove the clamp ring and set aside for future step.

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  9. Yard Hydrant Replacement: step 8, image 1 of 1

    • Loosen the hose clamp on the water feed pipe (in the hole) but do not remove it.

    • The clamp should stay on the water feed line.

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  10. Yard Hydrant Replacement: step 9, image 1 of 1

    • Separate the hydrant pipe from the water feed line by pulling them apart until you see the barbs on the connecter. This might take some force!

    • Water feed line

    • Barbs on connector

    • Pay attention to the direction of the water feed line in relation to the orientation of yard hydrant nozzle. You will need to keep this same orientation when you install the new yard hydrant.

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  11. Yard Hydrant Replacement: step 10, image 1 of 1

    • Remove the old yard hydrant pipe and head. Set it aside for recycling.

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  12. Yard Hydrant Replacement: step 11, image 1 of 1

    • Remove the old hydrant fitting by unscrewing. If needed, clean the fitting by removing any old Teflon tape.

    • NOTE: If you are using a new fitting, you will not need to clean it.

    • Threads

    • Barbs

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  13. Yard Hydrant Replacement: step 12, image 1 of 1

    • Wrap the threads on elbow fitting with Teflon tape in the same direction as the thread. Start on the inside and work to the outside of the threads.

    • Be sure to wrap the threads, not the barbs.

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  14. Yard Hydrant Replacement: step 13, image 1 of 1

    • Insert the elbow fitting into the new hydrant pipe. Make sure that the orientation of the elbow joint matches the original orientation of the yard hydrant nozzle in step 9.

    • Be careful not to overtighten. Some tape should be showing.

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    • Lower the new hydrant with attached fitting into the hole.

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    • Align the barbs of the elbow fitting into the water feed line. Press it together. This will take some force!

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  17. Yard Hydrant Replacement: step 16, image 1 of 1

    • Slide the clamp over the connected pipe and fitting. Tighten the clamp.

    • The clamp should be in line with but not past the last barb (approx ½” from water feed line). Do not clamp past the barbs as that can cause leaks.

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    • Turn the water supply on to test for leaks and functionality. If there are no leaks, proceed to the next step. If there are leaks, shut off the water supply again.

    • Troubleshooting Leaks

    • Overtightening of fitting - If you used a lot of force when tightening and connecting the elbow fitting to the new hydrant, it is possible that you overtightened.

    • Teflon tape has torn - Teflon tape is fragile and can rip if excessive force is applied. Remove the fitting and remove the tape. Retape and reattach. You may find that adding additional wraps of Teflon tape may help prevent leaks.

    • Hose clamp is not placed correctly - check to make sure hose clamp is sitting over the last set of barbs and is fully tightened.

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  19. Yard Hydrant Replacement: step 18, image 1 of 1

    • Place the reserved hose clamp ring (Step 7) around the pipe near the yard hydrant head and attach to the wall bracket.

    • Clamp ring

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  20. Yard Hydrant Replacement: step 19, image 1 of 1

    • Fill in the hole. Begin with the gravel and then continue with the fill you removed when digging the hole. Tamp down the fill and continue to fill the hole until it is level.

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  21. Yard Hydrant Replacement: step 20, image 1 of 1

    • Your hydrant is ready for use! You can place pavers over the hole for access and protection. Turn it on and fill buckets as needed!

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Conclusion

Congratulations! Your yard hydrant is now replaced and in full working order. You may find that the ground around the hydrant begins to settle over time. If that happens, add additional fill and tamp in place. Great job saving money, time, and water by doing this repair yourself!

Author

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SarahsRepairs

Member since: 09/18/25

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University of North Texas, Team 1-2, Friess Fall 2025 Member of University of North Texas, Team 1-2, Friess Fall 2025

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