ASHCROFT GSS30-4 Dixon Gauge 0-30PSI Y-944

( Brand: Ashcroft ), ( Manufacturer Part Number: GSS30-4 ), ( Part Type: Gauge )

Review ASHCROFT Dixon Dry Gauge 0-30psi

The **Ashcroft GSS30-4 Dixon Gauge (Model Y-944)** is a precision-engineered, high-performance pressure gauge designed for demanding industrial, commercial, and mechanical applications where accuracy, durability, and reliability are paramount. Built to Ashcroft s renowned standards, this gauge is a robust yet finely crafted instrument featuring a **0-30 psi (pounds per square inch) range**, making it ideal for monitoring low to moderate pressure systems in hydraulic lines, pneumatic controls, HVAC systems, automotive diagnostics, and process instrumentation. The gauge s **Dixon-style bourdon tube mechanism** ensures exceptional sensitivity and repeatability, delivering precise readings with minimal hysteresis, while its **aluminum alloy casing** provides a sturdy yet lightweight construction that resists corrosion and withstands environmental stressors.

The front panel of the gauge is adorned with a **large, easy-to-read dial** featuring a **black-on-white or white-on-black contrast** (depending on the variant) for optimal visibility, even in low-light conditions. The **needle assembly** is equipped with a **sealed, friction-reduced pivot** to minimize wear and ensure long-term accuracy, while the **double-sealed bourdon tube** protects against contamination and maintains gauge integrity over extended use. The gauge s **flanged mounting design** allows for secure installation in panels, machinery, or piping systems, with a **1-inch NPT (National Pipe Thread) connection** for reliable pressure line integration. Additionally, the **Ashcroft Y-944 model** incorporates a **back-soldered connection**, which enhances durability by preventing leaks at the gauge s pressure inlet.

Constructed with **high-grade materials**, including a **brass or stainless steel bourdon tube** (depending on the specific variant), this gauge is engineered to withstand frequent cycling, temperature fluctuations, and exposure to moisture, oils, or mild chemicals making it suitable for both indoor and outdoor applications. The **Ashcroft brand s reputation for precision** is further reinforced by the gauge s **calibration accuracy**, typically within ** 2% of full scale**, ensuring dependable performance in critical systems. Whether used in **automotive shops for tire pressure monitoring, HVAC systems for refrigerant control, or industrial machinery for hydraulic pressure regulation**, the GSS30-4 Dixon Gauge delivers consistent, trustworthy measurements with minimal maintenance requirements.

For applications requiring additional protection, the gauge can be paired with **Ashcroft s protective enclosures or mounting brackets**, further extending its lifespan in harsh environments. Its **compact yet robust design** makes it a versatile choice for technicians, engineers, and operators who demand both **performance and longevity** from their instrumentation. With its blend of **Ashcroft s engineering excellence and Dixon s reliability**, the GSS30-4 is not just a pressure gauge it s a dependable workhorse built to endure the rigors of daily use while providing the clarity and precision needed for critical system monitoring.

### **Pros and Cons of buying a Ashcroft GSS30-4 (Dixon Gauge, 0-30 PSI, Y-944)**

1. **High Accuracy and Reliability** Ashcroft is a well-known brand in precision instrumentation, and this gauge is designed for accurate pressure measurement within its specified range (0-30 PSI). It is suitable for applications requiring consistent readings, such as HVAC systems, compressed air, or industrial processes.

2. **Durable Construction** The gauge appears to be built with a robust metal housing, making it resistant to physical damage and suitable for moderate industrial or commercial environments. The Dixon gauge series is known for durability, though long-term performance depends on maintenance.

3. **Easy Installation and Replacement** As a standard 2-inch gauge, it fits common mounting holes, making it easy to install in existing systems. Replacement is straightforward if the gauge fails, reducing downtime.

4. **Clear and Legible Dial** The Y-944 model features a large, easy-to-read dial with clear markings, which helps operators quickly assess pressure levels without ambiguity.

- HVAC systems (cooling/heating loops)

- Compressed air lines (if not exceeding the range)

- Hydronic heating systems

- Some industrial pneumatic controls

6. **Maintenance-Friendly** Ashcroft gauges are relatively easy to service, with replaceable internal components (like the bourdon tube and seals) if they wear out over time.

7. **Brand Reputation** Ashcroft is a trusted name in instrumentation, with a history of producing reliable pressure gauges for decades. This reduces the risk of purchasing a poorly made or short-lived product.

---

1. **Limited Pressure Range** The 0-30 PSI range is narrow for many industrial applications. If your system operates at higher pressures (e.g., 50 PSI), this gauge will not be suitable and may fail prematurely. Overloading the gauge can cause permanent damage.

2. **Potential for Glass Breakage** Like most bourdon tube gauges, the glass face can crack or shatter if subjected to sudden pressure spikes (e.g., water hammer, rapid valve closure). This poses a safety risk in unprotected environments.

- Overpressure (unless paired with a separate pressure relief valve).

- Vibration or shock (which can affect accuracy over time).

- Corrosive media (unless specified as corrosion-resistant, which this standard model may not be).

4. **Replacement Parts May Be Expensive** While the gauge itself is reasonably priced, replacement parts (e.g., bourdon tubes, seals) can be costly, especially if they are no longer in production. Always check availability before purchasing.

5. **Accuracy Degradation Over Time** Like all mechanical gauges, this one will experience drift in accuracy as components wear. Regular calibration is recommended for critical applications.

- High temperatures (beyond the gauge s rated limits).

- Corrosive fluids (unless it s a special-grade model).

- Frequent vibration or shock,

the gauge may degrade faster than expected.

7. **Potential for Leaks** The connection (typically 2-inch NPT) can develop leaks over time, especially if the system has fluctuating pressure. Regular inspections are necessary.

---

The Ashcroft GSS30-4 (Dixon Gauge, 0-30 PSI, Y-944) is a solid choice for applications requiring accurate, low-pressure measurement in controlled environments. It excels in reliability, readability, and ease of use for HVAC, compressed air, or hydronic systems where pressures stay within its range. However, it is not suitable for high-pressure, harsh, or unprotected environments due to its limited range and lack of built-in protections.

If your system operates within 0-30 PSI and you prioritize accuracy and durability, this gauge is a practical investment. For applications with higher pressures, corrosive media, or extreme conditions, consider a more robust gauge with overpressure protection or a digital alternative.

---

- Your system operates consistently within 0-30 PSI.

- You need a reliable, analog pressure measurement for HVAC, compressed air, or low-pressure industrial use.

- You can protect it from physical damage and sudden pressure spikes.

- You are willing to perform regular maintenance and calibration.

- Your system exceeds 30 PSI regularly (risk of damage).

- The environment is highly corrosive, dusty, or exposed to extreme temperatures.

- You need protection against overpressure or vibration.

- You prefer digital gauges for remote monitoring or data logging.

- For higher pressures: Ashcroft or Wika gauges with a wider range (e.g., 0-100 PSI or higher).

- For corrosive environments: Stainless steel or corrosion-resistant models (e.g., Ashcroft s "CR" series).

- For digital monitoring: Electronic pressure transmitters with alarms (e.g., Rosemount, Siemens).

- For extreme conditions: Gauges with built-in protection (e.g., Ashcroft s "GP" series with overpressure relief).

Details:

The product is new but the box open. With a measuring range of 0-30 PSI, this gauge is perfect for monitoring and controlling air pressure in various systems. The product has some scratches and is a little dusty from sitting. Trusted for quality and precision, the Dixon brand ensures that this gauge will provide consistent dependable readings your hydraulic, pneumatic, pump, plumbing applications.

The Dixon GSS30-4 Dry Gauge is a reliable and accurate air pressure gauge designed for industrial use. The box has slight damage and is a little dirty.

part #: gss304 prices

• $12.99-$54.37

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: Gss30-4
• part type: Gauge

shipping pressureswitchiz:

• transit: 5-10 Days
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• class: Standard
• type: Fixed

offer pressureswitchiz:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1
• sold: 0
• started: May 22, 2026

payments pressureswitchiz:

• credit card: Mastercard
• other
• wallet: Google-pay

returns pressureswitchiz:

• paid by: Seller
• method: Money back
• time: 30 Days
• policy: Returns Accepted

seller pressureswitchiz:

• city: Erie, Pennsylvania
• rating: 100.0%
• # reviews: 2613

general pressureswitchiz:

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

Ashcroft GSS30-4 Is Similar To:

• -10-1008-a-02b-200 Ashcroft Pressure Gauge 0-200 Psi (49% similar) Came from Savannah river site...(December 21st, 2016)
• 0-120c Ashcroft Temperature Gauge Gas Acuated New (40% similar) Ashcroft temperature gauge 0-120C gas actuated new catalog C-600B-02-BS-XNG tramp every angle dial thermometer stem length 9 LOC1162...(September 3rd, 2018)
• Ashcroft Psi Units 2 0.25 Gauge Grade 0.1 3a Subd Ccuracy Prices Test (34.8% similar) 25 2 units, working see the pictures buyer pays. Good condition, Ashcroft test gauge...(June 2nd, 2015)
• 01124a Viking Ashcroft Air Gauge (43.6% similar) Fm approved...(December 19th, 2017)
• 0255335 Star Ashcroft Gauge 02-553 (45% similar) Each item in any multi-item lot is presumed to have a final value proportional and equal the total price of. Please review the item title, and detail in photographs make sure this is correct one for your application - much information given by...(November 19th, 2017)
• 037.00011.00 Ashcroft Gauge New In (40% similar) ...(February 21st, 2018)
• 10-1008-sl-02b-600 10-1008-sl-02b-600 Ashcroft Pressure Gauge New (34.2% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(February 17th, 2018)
• 10-1008-sl-02l-200 Ashcroft Duralife Pressure Gauge Npt (39.6% similar) Lbs shipping DIMENSIONS:5...(January 16th, 2019)
• 10-1008-sl-04l-160 Ashcroft Air Pressure Gauge (39.1% similar) You are only buying what is pictured...(October 11th, 2017)
• 10-2202-1000 Ashcroft Gauge 0-1000 Used (44.7% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(September 26th, 2017)
• 10-2202-15000 Ashcroft Gauge Used (40.5% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(December 20th, 2017)