
CHWPS2040D Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.00 | Condition is New – Open box, EATON Cutler-Hammer CHWPS2040DL Pressure Switch 20-40 PSI, FREE SHIPPING | 100.0% |
![]() | $25.00 | Condition is New – Open box, Eaton CHWPS2040D Water Pressure Switch, 20-40 PSI, NEMA 1, 3/4" CH Loadcenters, shipping cost = $14.06 | 100.0% |
![]() | $51.30 | Top Pick! Condition is New – Open box, EATON CORPORATION CHWPS2040D / CHWPS2040D (NEW NO BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.19 | Condition is Used, EATON CORPORATION CHWPS2040D / CHWPS2040D (USED), shipping cost = $12.90 | 99.7% |

The Eaton CHWPS2040D water pressure switch is a reliable and essential component for maintaining the optimal water pressure in various applications. This 20-40 psi switch, with a NEMA 3/4 load center, is designed to provide accurate pressure regulation and ensure the efficient operation of water systems.
The switch body is constructed of die-cast aluminum, ensuring durability and resistance to harsh environments. The compact design, with dimensions of 3.5 inches in length, 2.2 inches in width, and 1.2 inches in height, makes it easy to install in confined spaces. The NEMA 3/4 load center provides added protection against dirt, water, and oil.
The Eaton CHWPS2040D water pressure switch comes with a factory-set pressure range of 20 to 40 psi, but it can be easily adjusted to meet specific application requirements. The pressure adjustment is accomplished using a screw located on the top of the switch, allowing the user to fine-tune the pressure setting. The switch also features a built-in pressure relief valve, which protects against overpressure situations and automatically restores pressure once it drops below the set level.
The switch has a clear, easy-to-read pressure gauge, which displays the current water pressure. The gauge is graduated in 5-psi increments, making it simple to monitor and maintain the desired pressure. The switch also includes a built-in test port, allowing for quick and easy testing of the pressure switch's functionality.
The Eaton CHWPS2040D water pressure switch is suitable for a variety of applications, including irrigation systems, industrial processes, and HVAC systems. It is designed to meet the stringent standards of UL 121 and UL 50, ensuring safe and reliable operation.
The switch comes with a 1-year limited warranty, providing peace of mind and assurance against any manufacturing defects. With its robust construction, accurate pressure regulation, and user-friendly features, the Eaton CHWPS2040D water pressure switch is an excellent choice for maintaining water pressure in a wide range of applications.
The Eaton CHWPS2040D water pressure switch is a NEMA 3/4 load center designed to protect plumbing systems from damage caused by excessive water pressure. Here are some pros and cons to help you make an informed decision about purchasing this product:
Pros:1. Protection against water pressure surges: The Eaton CHWPS2040D can automatically disconnect water supply when the pressure exceeds the set limit, preventing potential damage to plumbing systems and appliances.
2. Adjustability: The switch allows users to easily adjust the pressure setting range between 20 and 40 psi, providing flexibility to accommodate different plumbing systems and water supply sources.
3. Durable construction: The NEMA 3/4 rating ensures that the device is suitable for use in wet, damp, or corrosive environments, making it ideal for use in various plumbing applications.
4. Easy installation: The pressure switch is designed to be installed quickly and easily, requiring minimal wiring and connection effort.
5. Cost-effective: Compared to other pressure switch options, the Eaton CHWPS2040D is relatively affordable, making it a budget-friendly choice for homeowners and professionals.
Cons:1. Limited pressure range: While the adjustable pressure range of 20-40 psi is suitable for many applications, it may not be sufficient for systems requiring higher or lower pressure settings.
2. Manual reset: In the event of a power outage or other electrical disruptions, the switch needs to be manually reset, which can be an inconvenience.
3. Lack of advanced features: The Eaton CHWPS2040D is a basic pressure switch and does not offer advanced features such as remote monitoring or automatic reset.
Conclusion:The Eaton CHWPS2040D water pressure switch is an excellent choice for homeowners and professionals seeking a reliable and cost-effective solution to protect their plumbing systems from damaging water pressure surges. Its adjustability, durability, and easy installation make it a popular option for various applications. However, its limited pressure range and manual reset feature may be a drawback for some users. Ultimately, the decision to purchase the Eaton CHWPS2040D depends on your specific plumbing system requirements and preferences.
Recommendation:If you require a water pressure switch with a wider pressure range or advanced features, such as remote monitoring or automatic reset, you may want to consider other options in the market. However, if you're looking for an affordable and easy-to-install pressure switch with a standard pressure range, the Eaton CHWPS2040D is an excellent choice.
Details:
Unused in original packaging. Pressure rating. Listed manufacturers and their intellectual property are for reference purposes only; use of these names does not constitute an endorsement by the manufacturer.
Used with type ch loadcenters. Water pressure switch. Special features. Certifications.
CSS certified.
specifications indusswitch:
- brand: Eaton
- mpn: Chwps2040d
- operation method: On/off
- type: Water Pressure Switch
- color: Black
- features: 20-40 Psi
- switch style: Pressure Switch
- suitable for: Indoor
- upc: 782116159208
shipping indusswitch:
- class: standard, expedited, one-day
- type: calculated
- service: ups ground, ups 2nd day air, ups next day air
- carrier: ups
- transit: 3-8 days
returns indusswitch:
- policy: returns accepted
- paid by: buyer
- method: money back
- time: 30 days
seller indusswitch:
- # reviews: 923
- city: tualatin, oregon
- rating: 100.0%
payments indusswitch:
- credit card: diners-club
- other
- wallet: google-pay
offer indusswitch:
- in stock #: 4
- prices: $15.00–$51.30
- item condition:
- New – Open box
- Used
- availability: in stock
- options: ship-to-home
- started: january 12, 2026
- sold #: 13
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
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