0032888016057

Mueller Streamline

Model 101-605HC

Internet #100200991

Store SKU #368382

1 in. PVC Check Valve

$7.87 /each

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Product Overview

Permit water to flow in one direction within a line with the Mueller Global 1 in. PVC Check Valve. It acts as a backflow prevention device to prevent water from backing up into a municipal water supply.

  • Made of durable PVC
  • For use with cold water only
  • Not for use with compressed air
  • Fits both Sch. 40 and Sch. 80 PVC pipe
  • Outlet solvent
  • Can be installed vertically or horizontally
  • Rated for 200 psi at 73°F
  • Spring-loaded poppet
  • O-ring seal

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Customer Questions & Answers

1 Question2 Answers

Customer Questions & Answers

1 in. PVC Check Valve
1 in. PVC Check Valve

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2 answers

Why would this valve prevent flow to the sprinklers?

This question is from 1 in. PVC Check Valve
Asked by
Austin, Tx
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July 31, 2015
Never had this problem with sprinkler system installation before. I checked the flow arrow and it is correct, and then bought a second check valve in case the first was faulty - same problem. System does work if I bypass the check valve. What could it be?
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Answers (2)

Asked by
Cape Coral, Fl
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March 28, 2016
Answer: 
This check-valve has a design flaw causing the valve to severely restrict flow in the correct direction. The water volume needed for a sprinkler system WILL cause this valve to fail. In my case, installing another brand check-valve solved the problem. You can simulate the problem by manually actuating the valve with your finger on the inlet side (when uninstalled). Observe the location of the spring Read More
This check-valve has a design flaw causing the valve to severely restrict flow in the correct direction. The water volume needed for a sprinkler system WILL cause this valve to fail. In my case, installing another brand check-valve solved the problem. You can simulate the problem by manually actuating the valve with your finger on the inlet side (when uninstalled). Observe the location of the spring loaded valve while looking into the outlet opening. You will see how the floating valve is forced against the tapered housing thus restricting flow. In my opinion, Home Depot would be better served if it discontinued this design. Read Less
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Asked by
Temple, TX
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Home Improvement Profile: Professional
December 5, 2015
Answer: 
Sprinkler systems have pressure regulators that reduce overall system water pressure. Your system's pressure could be low enough that it is unable to overcome the tension of the valve and thus never able to open it in order for water to flow.
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Customer Reviews

Rated 1.0 out of 5 by 5 reviewers.
Rated 1.0 out of 5.0 by DO NOT BUY. As all the other reviews state, this product DOES NOT WORK. I unfortunately didn't read the reviews before not only purchasing, but installing. I installed, they prevented the back flow, however they also restricted flow going out as well. I had to remove them, go all the way back into HD (45 min drive) and buy different ones. I suggest the ones with flappers instead of this style. August 28, 2016
Rated 1.0 out of 5.0 by Buyer Beware! This check-valve is designed to fail! Will check reverse flow OK, but valve will cut off intended water flow on anything but very low flow applications. In m my application running max 60 psi from well pump, it allowed only 20% flow. Look inside outlet opening and manually push valve shut with your finger from inlet side and you will see the spring loaded floating valve pushing against the housing where it tapers down to the outlet, thus restricting flow. Had to trash this unit and buy a competitor's unit. March 28, 2016
Rated 1.0 out of 5.0 by Do Not Buy Spent 16-hours digging-up and replacing my sprinkler system manifold. Installed this valve to replace an existing. Water will pass through the valve at a trickle but as soon as I turn the flow up just slightly the check valve stops the flow. This product failed for me and I now need to start all over...but not with this valve for sure. Do not buy. March 23, 2015
Rated 1.0 out of 5.0 by Cannot handle heat These are worthless. First one expanded and leaked at the manufacturers seam after outside temperatures exceeding 100 degrees. Replaced with same kind and 2 months later had another week of temperatures over 100 and it expanded and broke at the seam. These were installed inground in a valve box with no exposure to sun. Don't waste your money. September 21, 2014
Rated 1.0 out of 5.0 by DIRECTION OF FLOW HAS STOPPED WORKING. AFTER LESS THEN 2 MONTHS OF DAILY USE THE CHECK VALVE HAS PLUGGED ITSELF. WHEN A LARGE VOLUME OF WATER STARTS TO MOVE THRU THE CHECK VALVE THE VALVES SOMEHOW CREATES A VACUUM LOCK AND NO LONGER ALLOWS WATER TO MOVE THRU THE VALVE. July 12, 2014
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