
DA-31-153-5 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $359.85 | Condition is New, Dwyer DA-31-153-5 Pressure Switch 1/4in Npt 120v-ac 240v-ac 2-60psi, FREE SHIPPING | ![]() |
![]() | $375.00 | Condition is New, DA-31-153-5 MERCOID DWYER, FREE SHIPPING | 99.6% |
![]() | $375.00 | Top Pick! Condition is New, NEW Mercoid DWYER DA-31-153-5 Pressure Switch STOCK H445, FREE SHIPPING | 99.7% |
![]() | $377.00 | Condition is New, NEW Mercoid DWYER DA-31-153-5 Pressure Switch NIB NOS, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $499.00 | Condition is New – Open box, Dwyer DA-31-153-5 Mercoid Pressure Switch, 2-60 PSIG, 120/240VAC/VDC, New, shipping cost = $15.00 | 100.0% |
![]() | $499.00 | Condition is New – Open box, Dwyer DA-31-153-5 Mercoid Pressure Switch, 2-60 PSIG, 120/240VAC/VDC, New, shipping cost = $15.00 | 100.0% |
![]() | $499.99 | Condition is New – Open box, Dwyer Mercoid Pressure Switch DA-31-153-5 -NEW IN BOX-NOS!!!!!, shipping cost = $19.99 | 99.7% |
![]() | $525.00 | Condition is New – Open box, Dwyer DA-31-153-5 Mercoid Pressure Switch, 2-60 PSIG, 120/240VAC/VDC, New, FREE SHIPPING | 100.0% |
![]() | $669.87 | Top Pick! Condition is New – Open box, DWYER DA-31-153-5 / DA311535 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $688.30 | Condition is New – Open box, DWYER DA-31-153-5 / DA311535 (NEW IN BOX), shipping cost = $36.13 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $528.58 | Top Pick! Condition is Used, DWYER DA-31-153-5 / DA311535 (USED), shipping cost = $12.90 | 99.7% |

The Dwyer DA-31-153-5 Mercoid Pressure Switch is a versatile and reliable solution for various pressure monitoring applications. This switch is designed and manufactured by Dwyer Instruments, a leading provider of sensing technology and instrumentation.
The DA-31-153-5 is a pneumatic pressure switch, which means it operates using compressed air or other gases. It is available in a H445 temperature range, making it suitable for applications where temperatures may vary between -22 F to 122 F (-30 C to 50 C). The switch is constructed from brass and stainless steel, ensuring durability and resistance to corrosion in harsh environments.
The switching mechanism of the DA-31-153-5 is actuated by a diaphragm, which responds to changes in pressure. The switch comes standard with a 1/4-28 NPT threaded connection for easy installation. Users can choose between various pressure range options, with this specific model having a 5-15 psi (0.35-1.0 bar) differential pressure range.
The DA-31-153-5 is designed to provide reliable and accurate pressure switching, with a fast response time and a repeatable switching action. It features a built-in spring-return mechanism, ensuring the switch returns to its normal position after the pressure has been released. This helps maintain system stability and reduces the likelihood of unwanted cycle events.
The DA-31-153-5 Mercoid Pressure Switch is ideal for use in a variety of industries, including HVAC, water treatment, and manufacturing. Its compact size and rugged construction make it a popular choice for applications requiring reliable pressure monitoring in challenging environments.
In summary, the Dwyer DA-31-153-5 Mercoid Pressure Switch is a robust and dependable instrument designed for accurate pressure monitoring in a wide temperature range. Its brass and stainless steel construction, pneumatic operation, and fast response time make it an excellent choice for numerous applications in various industries.
Dwyer DA-31-153-5 Mercoid Pressure Switch H445: A Comprehensive Analysis
The Dwyer DA-31-153-5 Mercoid Pressure Switch H445 is a popular choice for various industrial applications due to its reliability and versatility. In this analysis, we will discuss the key features, advantages, and disadvantages of this pressure switch.
Features:1. The Dwyer DA-31-153-5 is a pneumatic pressure switch with a H445 temperature range, making it suitable for high-temperature environments.
2. It has a capacity to handle a maximum pressure of 150 PSIG (pounds per square inch gauge) and a minimum pressure of 5 PSIG.
3. The switch features a mercury switch element that provides precise pressure sensing.
4. It has a compact design with a NEMA 4X (IP66) rating, ensuring protection against water and dust.
Advantages:1. Precise Pressure Sensing: The mercury switch element provides accurate and reliable pressure sensing, ensuring efficient operation of the connected system.
2. Versatile: The Dwyer DA-31-153-5 can be used in a wide range of industrial applications due to its high temperature and pressure ratings.
3. Compact Design: Its small size and robust construction make it easy to install in limited spaces.
4. Durable: The switch's NEMA 4X rating ensures it can withstand harsh environments, making it a suitable choice for industrial applications.
Disadvantages:1. Maintenance: Mercury switches require regular maintenance due to the hazardous nature of mercury.
2. Cost: The switch's price point may be higher than some alternative pressure switches.
3. Fragility: The mercury switch element can be easily damaged if not handled with care.
Conclusion:The Dwyer DA-31-153-5 Mercoid Pressure Switch H445 is a reliable and versatile solution for industrial applications that require precise pressure sensing in high-temperature environments. Its advantages, such as precise pressure sensing, compact design, and durability, outweigh its disadvantages, including the need for regular maintenance and the higher cost.
Recommendation:If you are looking for a pressure switch with high temperature and pressure capabilities, the Dwyer DA-31-153-5 Mercoid Pressure Switch H445 is a solid choice. However, ensure that you are prepared for the required maintenance and the higher cost compared to other pressure switches.
Details:
New mercoid Dwyer DA-31-153-5 pressure switch stock H445.
specifications indusswitch:
- brand: Dwyer
- mpn: Da-31-153-5
- part type: Pressure Switch
- fuse type: Switch
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
shipping indusswitch:
- carrier: fedex
- transit: 2-5 days
- class: standard, expedited, one-day
- type: calculated
- service: fedex ground or fedex home delivery, fedex 2day, fedex priority overnight
returns indusswitch:
- paid by: buyer
- method: money back
- time: 30 days
- policy: returns accepted
offer indusswitch:
- best offers: true
- sold #: 22
- in stock #: 5
- prices: $359.85–$688.30
- item condition:
- New
- New – Open box
- Used
- options: ship-to-home
- started: june 2, 2025
- availability: in stock
payments indusswitch:
- other
- credit card: discover
- wallet: apple-pay
seller indusswitch:
- # reviews: 1602
- rating: 99.7%
- city: montgomeryville, pennsylvania
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