
DA-31-2-9 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $339.97 | Condition is New, MERCOID PRESSURE SWITCH. MODEL # DA-31-2-9 DWYER INSTRUMENTS. NOS, shipping cost = $9.99 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $250.00 | Top Pick! Condition is New – Open box, Dwyer Mercoid DA-31-3-3a, shipping cost = $10.15 | 98.6% |



The Dwyer Mercoid DA-31-2-9 Pressure Switch is a high-quality, reliable pressure switching solution designed for various industrial and commercial applications. This pressure switch is equipped with a 2-pole, normally open (NO) contact, making it ideal for applications that require remote signal indication.
The DA-31-2-9 features a 3/8-inch NPT (National Pipe Thread) male inlet and outlet connections, ensuring easy installation and compatibility with a wide range of pipes and systems. It operates on a differential pressure range of 0 to 9 PSI (pounds per square inch), allowing for precise pressure monitoring and control.
The switch is constructed using high-quality materials, including a corrosion-resistant stainless steel case and diaphragm, ensuring long-lasting performance in harsh environments. The switch also includes a tamper-proof screw for added security and protection against unauthorized adjustments.
The DA-31-2-9 Pressure Switch features a clear, easy-to-read dial that indicates the pressure status, providing real-time feedback for quick and easy system adjustments. It is also designed for easy mounting, with a compact size and convenient wall-mount bracket.
Overall, the Dwyer Mercoid DA-31-2-9 Pressure Switch is a versatile and reliable pressure switching solution that offers precise pressure monitoring and control, with a durable and corrosion-resistant design, making it a great choice for various industrial and commercial applications.
Pros of buying Dwyer Mercoid DA-31-2-9 pressure switch:1. Reliable: Dwyer is a reputable brand known for producing reliable and durable pressure switches.
2. Adjustable set point: The DA-31-2-9 switch has an adjustable set point, allowing you to customize the pressure at which the switch activates or deactivates.
3. Wide operating range: With a range of 0-300 psi, this switch can be used in a variety of applications.
4. Easy to install: The switch has a simple screw-in design, making it easy to install and remove.
Cons of buying Dwyer Mercoid DA-31-2-9 pressure switch:1. Price: Compared to some lesser-known brands, the DA-31-2-9 switch may be more expensive.
2. Limited connection options: The switch only has two connection points, which may not be sufficient for some applications.
3. Not suitable for high-temperature environments: The switch is not designed to operate in extreme temperatures, so it may not be suitable for use in industrial or commercial settings.
Conclusion:The Dwyer Mercoid DA-31-2-9 pressure switch is a reliable and adjustable option for a variety of applications. Its wide operating range and easy installation make it a convenient choice for many users. However, its price and limited connection options may be drawbacks for some. If you need a pressure switch that can withstand high temperatures or requires multiple connection points, you may want to consider other options. Overall, the DA-31-2-9 switch is a good choice for most residential and commercial applications.
Recommendation:If you are looking for a reliable and adjustable pressure switch with a wide operating range, the Dwyer Mercoid DA-31-2-9 is a good choice. Its ease of installation and customizable set point make it a convenient option for many users. However, if you require a pressure switch with multiple connection points or that can withstand high temperatures, you may want to consider other options.
Details:
You are buying on a used Dwyer instruments Mercoid DA-31-2-9 pressure switch. Used untested Dwyer instruments Mercoid DA-31-2-9 pressure switch.
specifications indusswitch:
- brand: Dwyer Instruments Mercoid
- mpn: Da-31-2-9
- part type: Pressure Switch
payments indusswitch:
- wallet: google-pay
- credit card: american-express
- other
shipping indusswitch:
- type: fixed
- class: economy
- transit: 6-10 days
- carrier: fedex
- service: fedex ground economy
offer indusswitch:
- in stock #: 2
- best offers: true
- prices: $250.00–$339.97
- item condition:
- New
- New – Open box
- availability: in stock
- options: ship-to-home
- sold #: 30
- started: august 6, 2024
returns indusswitch:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: seller
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Control Switches
seller indusswitch:
- rating: 100.0%
- # reviews: 6136
- city: fort myers, florida
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