ASHCROFT 30510024-2 Mount Water Pressure Gauge 2-1/2 INH2O 1/4

( Brand: Ashcroft ), ( Manufacturer Part Number: 30510024-2 ), ( Part Type: Pressure Mount Gauge ), ( Face Diameter: 2-1/2 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Back Mount ), ( Maximum Pressure: 30 Inh2o )

Review ASHCROFT Low Pressure Gauge 2-1/2 In 30 1/4 Mount

The **Ashcroft 30510024-2** is a precision-engineered, high-performance pressure gauge designed for reliable and accurate measurement in a wide range of industrial, commercial, and residential applications. This durable instrument features a **2-1/2 inch (63.5 mm) dial face**, providing ample visibility for easy reading even from a distance, making it ideal for applications where quick and clear monitoring is essential. The gauge is calibrated to measure pressures up to **30 inches of water column (30 inH O)**, which translates to approximately **12.75 pounds per square inch (psi)**, making it perfectly suited for low-pressure systems such as HVAC, plumbing, irrigation, and ventilation setups. Its compact yet robust construction ensures stability and longevity, even in environments where minor fluctuations or vibrations are present.

The **1/4-inch NPT (National Pipe Thread) male connection** allows for secure and straightforward installation, accommodating standard piping systems with ease. This threaded port ensures a tight seal, minimizing the risk of leaks while maintaining the integrity of the measurement. The gauge s **brass housing** provides corrosion resistance and durability, making it well-suited for both indoor and outdoor applications where exposure to moisture, dust, or mild chemicals may occur. Additionally, the **aluminum dial** is not only lightweight but also offers a smooth, non-reflective surface that reduces glare, enhancing readability in various lighting conditions.

Ashcroft s reputation for precision engineering is evident in the **high-quality bourdon tube mechanism** housed within this gauge. The bourdon tube, a coiled, hollow tube that straightens as pressure increases, drives the pointer with exceptional accuracy and repeatability. The gauge s **hermetically sealed movement** protects internal components from contamination, ensuring long-term reliability and minimizing the need for frequent recalibration. The **black pointer with a white tip** stands out sharply against the dial s contrasting background, allowing for quick and precise readings even in low-light conditions.

Beyond its technical specifications, the **Ashcroft 30510024-2** is built with practicality in mind. Its **universal mounting orientation** whether horizontal, vertical, or at an angle flexes to fit various installation requirements without compromising performance. The gauge s **durable glass window** is reinforced to withstand minor impacts, while the **rubberized gasket** ensures a secure seal when mounted on a panel. Whether used in residential plumbing systems, commercial HVAC setups, or industrial ventilation networks, this gauge delivers consistent, dependable performance with minimal maintenance.

For applications where accuracy and durability are critical, the **Ashcroft 30510024-2** stands as a reliable choice. Its combination of **clear visibility, robust construction, and precise measurement** makes it an excellent investment for professionals and DIY enthusiasts alike. With Ashcroft s commitment to quality, this pressure gauge is engineered to provide years of dependable service, ensuring that pressure levels are always monitored with confidence.

### **Pros and Cons of buying a Ashcroft 30510024-2 Pressure Gauge (2-1/2" Dial, 30" H O Range, 1/4" Mount)**

1. **High Accuracy and Reliability** Ashcroft is a well-known brand in industrial instrumentation, offering precision-engineered pressure gauges with minimal drift over time. This model is designed for consistent performance in monitoring low-pressure systems (up to 30" H O).

2. **Durable Construction** The gauge is built with a robust metal case, ensuring resistance to mechanical stress, vibration, and environmental factors. The 2-1/2" dial size provides better readability than smaller gauges.

3. **Wide Compatibility** The 1/4" NPT male connection allows for easy integration into various piping systems, making it versatile for HVAC, plumbing, and low-pressure air applications.

4. **Low-Pressure Range Suitability** The 30" H O range is ideal for applications like ductwork, ventilation systems, and small-scale pneumatic testing where high pressures are unnecessary.

5. **Standardized Design** Ashcroft follows industry standards, ensuring compatibility with common control systems and calibration requirements.

6. **Long Lifespan** High-quality materials and sealing mechanisms reduce the risk of leaks or internal damage, extending the gauge s operational life.

7. **Easy Installation** The 1/4" mount simplifies fitting into existing systems without requiring specialized tools or modifications.

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1. **Limited Pressure Range** The 30" H O range is very low compared to industrial pressure gauges (e.g., 0-100 psi or higher). If your application requires higher pressures, this gauge may not be suitable.

2. **Potential for Condensation Issues** In humid environments (e.g., HVAC systems), moisture can accumulate inside the gauge, affecting accuracy over time. Some models may require periodic maintenance to prevent corrosion.

3. **No Built-In Protection Against Overpressure** Unlike some industrial gauges, this model lacks a burst disk or overpressure protection, meaning excessive pressure could damage the gauge if not properly safeguarded upstream.

4. **Basic Design (No Special Features)** It lacks advanced features such as remote sensing, digital readouts, or alarm capabilities. If you need data logging or integration with smart systems, additional equipment will be required.

5. **Cost Relative to Simpler Gauges** While still reasonably priced for an Ashcroft product, it may be more expensive than basic, non-branded gauges with similar ranges. However, the trade-off is reliability and longevity.

6. **Maintenance Requirements** Like all mechanical gauges, it may require periodic calibration to ensure accuracy, especially in critical applications.

7. **Limited Customization** The gauge comes in standard configurations; if you need specific mounting orientations, special materials, or additional features, you may need to source a different model.

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The **Ashcroft 30510024-2** is an excellent choice for applications requiring **low-pressure monitoring (up to 30" H O) with high accuracy and durability**. It excels in **HVAC systems, ductwork, ventilation, and light pneumatic applications** where reliability and readability are priorities. Its **1/4" mount and robust construction** make it practical for field installations, while the **Ashcroft brand** ensures long-term performance.

However, if your application demands **higher pressure ranges, overpressure protection, or advanced features**, this gauge may not be the best fit. Additionally, users in **humid or corrosive environments** should consider additional sealing or protective measures.

For most **low-pressure, general-purpose monitoring needs**, this gauge is a **strong recommendation** due to its balance of **quality, durability, and ease of use**.

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- You need a **reliable, accurate low-pressure gauge** (30" H O).

- Your application is in **HVAC, ductwork, or light pneumatic systems**.

- You prioritize **brand reputation and longevity** over advanced features.

- The **1/4" mount and 2-1/2" dial size** fit your installation requirements.

- You require **higher pressure ranges** (e.g., 100 psi or more).

- Your system needs **overpressure protection or remote sensing**.

- You operate in **extremely harsh environments** (e.g., high corrosion risk) without additional safeguards.

For most standard low-pressure applications, this gauge is a **solid, cost-effective choice**.

Details:

Ashcroft Low Pressure Gauge 2-1/2 in 30 inH2O 1/4 Back Mount MPN 30510024-2.

part #: 305100242 prices

• $24.49-$24.99

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 30510024-2
• part type: Pressure Mount Gauge
• face diameter: 2-1/2 In
• connection diameter: 1/4 In
• mounting position: Back Mount
• maximum pressure: 30 Inh2o

returns pressureswitchiz:

• policy: No Returns

payments pressureswitchiz:

• wallet: Apple-pay
• other
• credit card: Discover

seller pressureswitchiz:

• city: Odessa, Texas
• # reviews: 2
• rating: 100.0%

offer pressureswitchiz:

• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• started: March 14, 2026
• availability: In Stock

general pressureswitchiz:

• condition: New Open box
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

shipping pressureswitchiz:

• transit: 5-11 Days
• cost: $8.46
• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage

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