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Shut-Off Valves

Grainger carries a huge variety of plumbing valves, including ball valve assemblies in brass, bronze and carbon steel for use with water, oil and natural gas systems. Or choose 2- or 3-way general purpose solenoid water valve kits for controlling and mixing water, chemicals and inert gases. When installing a sump disposal, wastewater or ejector line, adding a check valve provides the necessary backstop to prevent backflow from contaminating clean water.

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Shut-Off Valves Q&A

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Shut-Off Valves
(16 Questions : 16 Answers)

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check valve

i have built a black pipe pool heater and its on the roof, i'm using a second pump to circulate the water it runs every 1/2 hour i need a check vale at the discharge end to keep the water from siphoning out when the pump is off and will open when the pump comes on.
1 year, 3 months ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger Monday-Friday 7AM-7PM to speak with a Technical Product Support Specialist.
1 year, 3 months ago
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I need to increase water pressure in my home . does a 3/4" gate valve allow more water to flow with more pressure than a 3/4" globe valve ?
10 months ago
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Answer: 
Typically the type of valve with the greatest volume capacity and lowest reduction in pressure is a full port ball valve, such as item 1CKD2 for a ¾” line. Typically ball valves, gate valves and globe valves would not reduce the amount of water pressure you had, unless there was an issue with the valves being broken in some way. If the valve exchange does not resolve the issue you are having, you may need to look into the system to see what the issue is. Do you have older galvanized piping which is rusted shut on the inside, or perhaps do you have an issue with the water pressure being supplied by the municipality?

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10 months ago
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8 months ago
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In order to better assist you we will need additional information. Please call 1-800-Grainger Monday-Friday 7AM-7PM to speak with a Technical Product Support Specialist. Thank you for using Grainger Ask & Answer.
8 months ago
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I need a lockable gas valve for a semi public BBQ Grill that can be operated by a key-able cylinder
6 months ago
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For locking gas valves, we have item number 1WMG3 for a ¾” pipe or item 1WMG4 for a 1” pipe. In the closed position, a padlock can be passed through the handle to prevent operation.

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6 months ago
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It is actually for water irrigation. I need both left and right
4 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.
3 months, 4 weeks ago
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Answer: 
While we do not have that configuration as a single item, you may want to combine items 20K899, which is a M x F ball valve, and 6AFN8, a barb adapter. When attached to each other, it will produce the configuration you are looking for.

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1 month, 3 weeks ago
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We are sorry but to answer your question we would need more information. 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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Do you have a tankless valve kit?

1 month ago
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3 weeks, 5 days ago
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It would have a T handle and be at least 8 feet but better if 9 feet and fit across the top of a stop and waste type valve.
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You may be interested in item number 3RFN2, it has a maximum length of 108”, and can be used with 2” square, 1” valve, or 1 1/8” meter shut off connections.

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3 weeks ago
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