
MM-1C-120R-HH Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.00 | Condition is New, NEW NASON MM-1C-120R/HH PRESSURE SWITCH SPDT 120PSI RISING MM1C120RHH USA, FREE SHIPPING | 100.0% |
![]() | $24.00 | Condition is New, NASON MM-1C-120R/HH HYDRAULIC PRESSURE SWITCH PSI RISING U3S, FREE SHIPPING | 99.6% |
![]() | $19.99 | Condition is New, LOT OF 2 NEW NASON MM-1C-120R/HH PRESSURE SWITCH MM1C120RHH, shipping cost = $7.97 | 99.9% |
![]() | $47.50 | Top Pick! Condition is New, NASON MM-1C-120R/HH PRESSURE SWITCH SPDT 120PSI RISING MM1C120RHH, FREE SHIPPING | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.32 | Condition is New – Open box, Nason MM-1C-120R/HH Pressure Switch MM1C120RHH , FREE SHIPPING | ![]() |
![]() | $23.77 | Condition is New – Open box, Nason MM-1C-120R/HH Pressure Switch MM1C120RHH, FREE SHIPPING | 99.9% |
![]() | $5.00 | Condition is New – Open box, NASON MM-1C-120R/HH HYDRAULIC PRESSURE SWITCH PSI RISING U3S, shipping cost = $19.45 | 100.0% |
![]() | $24.99 | Top Pick! Condition is New – Open box, Nason MM-1C-120R/HH Hydraulic Pressure Sensor, FREE SHIPPING | ![]() |
![]() | $25.00 | Condition is New – Open box, NEW Nason MM-1C-120R/HH Pressure Switch, FREE SHIPPING | ![]() |
![]() | $7.50 | Condition is New – Open box, NASON MM-1C-120R/HH SINGLE POLE DOUBLE THROW SWITCH PRESSURE U3S, shipping cost = $19.45 | 100.0% |
![]() | $19.22 | Condition is New – Open box, NASON MM-1C-120R/HH / MM1C120RHH (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $23.49 | Condition is New – Open box, NASON MM-1C-120R/HH / MM1C120RHH (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $25.00 | Condition is New – Open box, NASON MM-1C-120R/HH LOW PRESSURE SWITCH LOT OF 2 U3S, shipping cost = $21.18 | 100.0% |
![]() | $70.00 | Top Pick! Condition is New – Open box, LOT OF 2 NEW NASON MM-1C-120R/HH PRESSURE SWITCH MM1C120RHH, shipping cost = $9.95 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.89 | Top Pick! Condition is Gebraucht, NASON MM-1C-120R/HH SWITCH #F7, shipping cost = $7.01 | 93.8% |
![]() | $13.00 | Top Pick! Condition is Gebraucht, NASON MM-1C-120R/HH SWITCH #A6-43, shipping cost = $7.01 | 97.5% |

The Nason MM-1C-120R/HH pressure switch, model MM1C120RHH, is a versatile and reliable solution for monitoring and controlling fluid pressure in various industrial applications. This pressure switch is designed and manufactured by Nason Industries, a leading provider of pressure and flow solutions.
This pressure switch is a pneumatically operated, adjustable, and direct-acting device. It is ideally suited for applications where the pressure range is between vacuum (0 PSIG) and 120 PSIG (pounds per square inch), making it a popular choice for numerous industries such as oil and gas, water treatment, HVAC, and food processing.
The MM-1C-120R/HH pressure switch features a compact, rugged design with a die-cast aluminum housing. This design not only ensures durability but also offers excellent resistance to harsh environments. The switch has a maximum operating temperature of 257 F (125 C) and an operating pressure temperature of -40 F (-40 C), making it suitable for use in a wide range of temperature conditions.
The MM-1C-120R/HH pressure switch comes with a factory-set pressure point, which can be easily adjusted using the external adjusting nut. This feature allows users to customize the switch to their specific application requirements. The switch activates when the pressure reaches the preset point, signaling an alarm or initiating an automatic response.
The switch also includes a built-in spring-loaded, solenoid-operated pilot valve. This pilot valve is designed to maintain the set point of the switch, even when the pressure drops momentarily. This feature ensures that the switch remains in its set position, providing consistent and accurate pressure monitoring and control.
The Nason MM-1C-120R/HH pressure switch is a reliable, rugged, and versatile solution for monitoring and controlling fluid pressure in various industrial applications. With its adjustable pressure setting, compact design, and rugged construction, this pressure switch offers excellent value and performance.
The Nason MM-1C-120R/HH pressure switch (MM1C120RHH) is a pneumatic pressure switch designed for various industrial applications. Here are some pros and cons that may help in making a decision about purchasing this pressure switch:
Pros:1. Versatile: The MM1C120RHH can be used in a wide range of applications due to its adjustable set point from 0-150 PSIG (pounds per square inch, gauge).
2. Durable: It is constructed with high-quality materials such as brass bodies and stainless steel contacts, making it resilient to harsh environments.
3. Reliable: Nason is a well-known brand in the industrial pressure switch market, ensuring a high level of quality and reliability.
4. Easy to Install: The switch has a compact design with a mounting base that allows for quick and easy installation.
5. Safety Feature: The MM1C120RHH has a built-in safety feature - a manual reset button - that can be used to reset the switch in case of an emergency.
Cons:1. Price: The MM1C120RHH is a premium product and may have a higher price point compared to some other pressure switches in the market.
2. Complexity: The switch has multiple adjustments, which may require additional time and expertise for setup and calibration.
3. Limited Operating Temperature: The switch is rated for a maximum operating temperature of 200 F (93 C), which may not be suitable for high-temperature applications.
In conclusion, the Nason MM-1C-120R/HH pressure switch offers several advantages such as versatility, durability, reliability, easy installation, and built-in safety features. However, its higher price point and limited operating temperature range are potential disadvantages. If the application requires a reliable pressure switch that can handle a wide range of pressures and can be installed quickly and easily, the MM1C120RHH could be a good investment. Alternatively, if cost is a major concern or the operating temperature exceeds the switch's limit, other pressure switches with similar features but different specifications may be worth considering. Ultimately, the decision should be based on the specific requirements of the application and the available budget.
Details:
Please refer to the photos.
specifications indusswitch:
- brand: Nason
- mpn: Mm-1c-120r/hh
- part type: Pressure Switch
- fuse type: Switch
offer indusswitch:
- best offers: true
- in stock #: 5
- options: ship-to-home
- started: november 15, 2025
- prices: $5.00–$70.00
- item condition:
- New
- New – Open box
- Gebraucht
- sold #: 18
- availability: in stock
seller indusswitch:
- city: garfield, new jersey
- rating: 99.4%
- # reviews: 6474
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
returns indusswitch:
- paid by: seller
- time: 30 days
- method: money back
- policy: returns accepted
payments indusswitch:
- other
- wallet: apple-pay
- credit card: mastercard
shipping indusswitch:
- transit: 5-11 days
- class: standard
- type: fixed
- service: standard
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