Members get up to 40% off during MyLowe’s Rewards Week. Shop Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

ProPlumber 40/60-PSI Plastic/Steel Pressure Switch

Get Pricing & Availability

Signals the pump to start when the water system drops to 40 psi (factory set) and stops at 60 psi (factory set)
Can be wired 115 volt or 230 volt
For use with submersible well or jet pumps (that can create up to 60 pounds of pressure)

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

This pressure switch signals the pump to start when the water system drops to 40 psi (factory set) and stops at 60 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 38 psi, or the switch will not operate properly.

Signals the pump to start when the water system drops to 40 psi (factory set) and stops at 60 psi (factory set)
Can be wired 115 volt or 230 volt
For use with submersible well or jet pumps (that can create up to 60 pounds 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
See 'Installation Manual' and 'How to Manual' for more helpful information