Model # PS2040

Internet #203990021

Water Source 20/40 Well System Pressure Switch
0659647020409

Water Source

20/40 Well System Pressure Switch

$16.61 /each

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Product Overview

This pressure switch signals the pump to start when the water system drops to 20 psi (factory set) and stops at 40 psi (factory set). This switch is to be used with submersible well or jet pumps. It can be wired 115-Volt or 230-Volt. This switch must be used in conjunction with a well pressure tank. The air pressure in the well tank, when empty of all water, must be set to 18 psi or the switch will not operate properly.

California residents: see   Proposition 65 information

  • Signals the pump to start when the water system drops to 20 psi (factory set) and stops at 40 psi (factory set)
  • Can be wired 115-Volt or 230-Volt
  • For use with submersible well or jet pumps (that can create up to 40 lbs. of pressure)
  • Motor wires are connected to the 2 middle posts (color does not matter)
  • Breaker box wires are connected to 2 outside posts (color does not matter)
  • 2-spring design allows for adjustment of cut-in and cut-out pressure settings
  • Adjustments to springs should only be made by users with good knowledge of well systems
  • Tank must be in good condition in order for this to work properly

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Warranty / Certifications

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Customer Questions & Answers

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Customer Questions & Answers

20/40 Well System Pressure Switch
20/40 Well System Pressure Switch

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will this pressure switch fit on any well pump or how do I figure out which one I need

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August 16, 2016
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August 18, 2016
Answer: 
Thank you for the question, Yes this switch will connect to most jet pumps and submersible well pumps. Without knowing the specific specs of your well system and pump, it will be difficult for us to suggest a specific switch to use in your system. If you have any questions please feel free to reach out to our technical support team toll free at 844-251-7446
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Customer Reviews

Rated 5.0 out of 5 by 1 reviewer.
Rated 5.0 out of 5.0 by 20/40 Pressure switch on constant flow pump I needed a way to turn a constant flow pump off when pumping water from rain storage. This pressure valve with a backflow valve worked perfectly. Put a squeeze nozzle on the end and when the pressure build the pumps shuts off. July 14, 2014
  • 2016-10-30 T20:45:04.768-05:00
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