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  3. ASHCROFT 45-1188AS-04L-8

ASHCROFT 45-1188AS-04L-8 Water Pressure Gauge 0-220IN-H20 4-1/2IN

45-1188as-04l-8 Ashcroft 45-1188as-04l-8# 0-220in-h20 Pressure Gauge 4-1/2in 1/2in

( Brand: Ashcroft ), ( Manufacturer Part Number: 45-1188AS-04L-8 ), ( Part Type: Pressure Gauge ), ( Connection Diameter: 1/2 In ), ( Dial Size: 4.5 In ), ( Thread Type: Npt )

Review ASHCROFT 45-1188as-04l-8# Pressure Gauge 4-1/2in 1/2in

The **Ashcroft 45-1188AS-04L-8 0-220 psi Pressure Gauge** is a high-performance, industrial-grade instrument designed for precision monitoring of hydraulic, pneumatic, and general process systems. Part of Ashcroft s renowned **45 Series**, this gauge features a robust **4 -inch dial face**, providing ample visibility for accurate readings even from a distance, making it ideal for applications where quick, clear assessments are critical. The **0-220 psi (0-15 bar) range** ensures compatibility with a wide variety of systems, from light-duty machinery to moderate-pressure hydraulic circuits, while the **1/2-inch NPT connection** allows for secure, leak-proof installation on pipes, valves, or fittings. Engineered with Ashcroft s signature **bellows-type movement**, this gauge delivers exceptional accuracy, repeatability, and durability, minimizing hysteresis and ensuring consistent performance over extended use. The **aluminum housing** is both lightweight and sturdy, offering resistance to corrosion and environmental factors, while the **black dial with white numerals and graduations** provides high contrast for easy readability under varying lighting conditions. Additional features include a **back-soldered bourdon tube** for enhanced reliability, a **sealed case** to protect internal components from dust and moisture, and a **flanged mounting option** (via the included mounting bracket) for versatile installation in panels, walls, or machinery. Whether used in industrial manufacturing, automotive diagnostics, HVAC systems, or fluid power applications, this gauge combines Ashcroft s precision engineering with practical design to deliver dependable pressure monitoring where it matters most.

**Pros and Cons of buying a Ashcroft 45-1188AS-04L-8 (0-220 psi, 4.5" Dial, 1/2" NPT) Pressure Gauge**

### **Pros:**

1. **High Accuracy and Reliability** Ashcroft is a well-known brand in industrial instrumentation, offering gauges with precise measurements and durable construction. This model is designed for consistent performance in monitoring pressure within its specified range (0-220 psi).

2. **Large, Easy-to-Read Dial** The 4.5-inch diameter dial provides clear visibility of pressure readings, reducing the risk of misreading, which is beneficial in industrial or workshop settings where quick and accurate monitoring is critical.

3. **Durable Construction** The gauge is built with a robust casing and internal components, making it suitable for moderate to heavy-duty applications. The 1/2-inch NPT connection ensures a secure and leak-resistant fit for piping systems.

4. **Wide Range Compatibility** The 0-220 psi range makes it versatile for applications such as hydraulic systems, pneumatic tools, HVAC systems, and automotive or machinery diagnostics where moderate pressure levels are common.

5. **Standardized Threading** The 1/2-inch NPT threading is a common standard, making installation straightforward and compatible with most systems that use this connection type.

6. **Long Lifespan** Ashcroft gauges are known for durability, and with proper maintenance (e.g., regular calibration and protection from extreme conditions), this gauge can last for years, reducing the need for frequent replacements.

7. **Compatibility with Ashcroft Systems** If you already use Ashcroft instruments, this gauge will integrate seamlessly with your existing setup, ensuring consistency in performance and maintenance.

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### **Cons:**

1. **Limited High-Pressure Range** The gauge is only rated for 0-220 psi, which may be insufficient for applications requiring higher pressure ranges (e.g., heavy-duty hydraulic systems or industrial compressors). If your system exceeds this range, damage to the gauge could occur.

2. **Potential for Condensation or Freezing** If exposed to extreme temperatures or moisture (e.g., in outdoor or unheated environments), condensation inside the gauge can lead to inaccurate readings or damage. A protective housing or proper installation may be necessary.

3. **Calibration Requirements** Like all pressure gauges, this model will eventually require calibration to maintain accuracy. Frequent calibration or lack of maintenance could lead to drift, resulting in unreliable measurements over time.

4. **Cost Relative to Basic Gauges** While not excessively expensive, this Ashcroft gauge is priced higher than basic, no-name gauges. For very low-budget applications, cheaper alternatives may suffice, though they may lack the durability and precision of Ashcroft.

5. **Installation Space Constraints** The 4.5-inch dial is beneficial for readability but may require more space on your panel or system compared to smaller gauges. This could be a limitation in compact installations.

6. **Potential for Glass Breakage** The gauge s glass window, while protective, can shatter if subjected to extreme pressure spikes or physical impact. This poses a safety risk in environments where such events are possible.

7. **Limited Customization** The gauge comes with standard features (e.g., 0-220 psi range, 4.5" dial). If you require specialized features like remote sensing, digital readouts, or non-standard mounting, this model may not meet those needs.

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### **Conclusion:**

The Ashcroft 45-1188AS-04L-8 pressure gauge is a high-quality, reliable choice for applications requiring accurate and durable pressure monitoring within the 0-220 psi range. Its large dial, robust construction, and brand reputation make it ideal for industrial, automotive, or mechanical settings where precision and longevity are priorities. However, its limitations such as the fixed pressure range, potential calibration needs, and higher cost compared to basic gauges should be considered based on your specific use case.

If your application involves moderate pressure levels, requires clear visibility, and benefits from Ashcroft s reputation for accuracy, this gauge is a strong recommendation. For high-pressure systems or environments with extreme conditions, additional protective measures (e.g., isolation valves, protective housings) may be necessary. Always ensure proper installation, regular maintenance, and calibration to maximize its lifespan and performance.

**Final Recommendation:** **Buy this gauge if:**

- You need a reliable, accurate pressure gauge for 0-220 psi applications.

- Readability and durability are important (e.g., workshop, HVAC, automotive diagnostics).

- You value a reputable brand with long-term performance.

**Avoid this gauge if:**

- Your system requires pressures significantly higher than 220 psi.

- You are working in harsh environments without protective measures (e.g., extreme temperatures, moisture).

- Budget constraints make cheaper, non-branded gauges a viable alternative for your needs.

Details:

Ashcroft 45-1188AS-04L-8# 0-220IN-H20 Pressure Gauge 4-1/2in.

part #: 451188as04l8 prices

  • $65.00-$99.00

specifications pressureswitchiz:

  • brand: Ashcroft
  • mpn: 45-1188as-04l-8
  • part type: Pressure Gauge
  • connection diameter: 1/2 In
  • dial size: 4.5 In
  • thread type: Npt

seller pressureswitchiz:

  • rating: 98.8%
  • # reviews: 2912
  • city: Mooresville, North Carolina

payments pressureswitchiz:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

shipping pressureswitchiz:

  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 7-11 Days
  • type: Fixed
  • cost: $12.00
  • class: Standard

offer pressureswitchiz:

  • quantity: 1
  • started: March 13, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

general pressureswitchiz:

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

returns pressureswitchiz:

  • policy: No Returns
part type: pressure gauge, connection diameter: 1/2 in, dial size: 4.5 in, thread type: npt,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 17737116543032861,
Ashcroft 45-1188AS-04L-8 Is Similar To:
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2 offers $65.00–$99.00 USD
  • New – Open box. Offer #1 priced at $99.00 + $12.00 shipping estimate = $111.00* total. Ashcroft # Pressure Gauge 4-1/2in 1/2in.+$12.00 shipping
  • New – Open box. Offer #2 priced at $65.00 + $12.00 shipping estimate = $77.00* total. Ashcroft 45-1188AS-04L Pressure Gauge 4-1/2in.+$12.00 shipping

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