1. Air Pressure Gauges Offers
  2. sku: 17618827933660711
  3. ASHCROFT 45-1188A-04L

ASHCROFT 45-1188A-04L Gauge H2O

45-1188a-04l Ashcroft New 5 Inch H2o Gauge

( Brand: Ashcroft ), ( Manufacturer Part Number: 45-1188A-04L ), ( Part Type: Gauge )

Review ASHCROFT New Inch H2o Gauge

The **Ashcroft 45-1188A-04L H O Gauge** is a precision-engineered, high-performance water column pressure gauge designed for demanding industrial, commercial, and municipal applications where accurate, reliable, and durable pressure measurement is critical. This gauge belongs to Ashcroft s renowned **45-1188A series**, renowned for its robust construction and exceptional performance in environments where fluid dynamics, hydraulic systems, or water distribution networks require precise monitoring. The **0-40 psi (0-2.76 bar) H O scale** ensures optimal readability for low-to-moderate water pressure applications, making it ideal for plumbing systems, irrigation networks, fire protection systems, HVAC (heating, ventilation, and air conditioning) setups, and municipal water supply monitoring. Crafted from high-quality materials, the gauge features a **brass or stainless steel case** for corrosion resistance, ensuring longevity even in humid or chemically treated water environments. Its **aluminum dial** is precision-machined for clarity, with bold, easy-to-read numerals and a **black or white background** for high contrast, reducing operator fatigue during extended use. The gauge incorporates Ashcroft s **sealed, non-venting design**, eliminating the risk of contamination from external elements while maintaining accuracy over time. A **1/4-inch NPT male connection** allows for secure and leak-proof installation, accommodating standard piping systems without the need for additional adapters. The **bourdon tube mechanism**, a hallmark of Ashcroft s engineering, provides precise pressure readings with minimal hysteresis, ensuring consistent performance even under fluctuating loads. Additionally, the gauge is **factory-calibrated** to ASME B40.10 standards, guaranteeing compliance with industrial safety regulations and providing peace of mind in critical applications. Whether installed in a residential water treatment facility, a commercial building s plumbing system, or an agricultural irrigation network, the **Ashcroft 45-1188A-04L** delivers dependable, accurate pressure monitoring with minimal maintenance requirements, making it a trusted choice for professionals who demand reliability in their instrumentation.

### **Pros and Cons of buying a Ashcroft 45-1188A-04L H O Gauge**

#### **Pros:**

1. **High Accuracy and Reliability** Ashcroft is a well-known brand in pressure measurement, offering precision-engineered gauges suitable for industrial and commercial applications. This model is designed for consistent performance in monitoring water pressure systems.

2. **Durable Construction** The gauge is built with a robust casing and internal components, making it resistant to wear and tear in moderate to high-use environments. The stainless steel or brass construction ensures longevity.

3. **Easy Installation and Maintenance** The gauge features standard NPT (National Pipe Thread) connections, simplifying installation in water systems. It also has a simple dial face that is easy to read, reducing the need for frequent calibration or adjustments.

4. **Wide Range of Applications** Suitable for residential, commercial, and light industrial water systems, including plumbing, HVAC, and irrigation. The 0-100 PSI range is practical for most household and small-scale applications.

5. **Affordable for Its Class** Compared to high-end industrial gauges, this model offers good value without sacrificing essential performance features. It is a cost-effective choice for those needing a reliable water pressure gauge.

6. **Clear Visual Readout** The large, easy-to-read dial with numbered markings allows for quick and accurate pressure monitoring without the need for additional tools.

7. **Compatibility with Standard Fittings** The -inch NPT connection is widely compatible with most water supply lines, reducing the need for adapters or custom fittings.

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#### **Cons:**

1. **Limited Range for Heavy-Duty Use** The 0-100 PSI range may be insufficient for high-pressure industrial applications (e.g., commercial boilers, large-scale HVAC systems, or fire protection systems). For such uses, a higher-range gauge (e.g., 0-200 PSI or 0-300 PSI) would be more appropriate.

2. **Basic Design Lacks Advanced Features** Unlike some premium gauges, this model does not include features such as remote sensing, digital readouts, or built-in diagnostics. It is a mechanical gauge, which means it relies on physical movement for readings.

3. **Potential for Dial Wear Over Time** While durable, the internal mechanisms (e.g., the bourdon tube and pointer) can degrade with prolonged use, especially in environments with fluctuating pressure or minor leaks. Regular inspection is recommended.

4. **No Built-in Protection Against Overpressure** Unlike some industrial gauges, this model does not include a pressure relief valve or burst disc. If the system exceeds 100 PSI, the gauge could be damaged, requiring replacement.

5. **Limited Brand Support for Customization** Ashcroft offers a range of gauges, but this specific model may not be easily customizable (e.g., adding specific markings, colors, or additional ports) without purchasing a higher-end version.

6. **Potential for Inaccuracies in Extreme Conditions** In very cold or hot environments, the gauge s internal components (e.g., the fluid in the bourdon tube) may expand or contract, leading to slight inaccuracies. Most household applications will not be affected, but extreme temperatures could pose issues.

7. **No Warranty on Parts (Unless Purchased with Extended Coverage)** Standard Ashcroft gauges typically come with a limited warranty (often 1-2 years), but parts replacement may require purchasing a new gauge if the internal mechanisms fail.

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### **Conclusion:**

The Ashcroft 45-1188A-04L H O gauge is an excellent choice for **residential, light commercial, or small-scale industrial water pressure monitoring** where accuracy, durability, and affordability are priorities. Its straightforward design, ease of use, and compatibility with standard plumbing make it a practical option for most homeowners, plumbers, and small businesses. However, it is **not ideal for high-pressure industrial applications, extreme environments, or systems requiring advanced features** like remote sensing or overpressure protection.

For users with **moderate pressure needs and a need for a reliable, no-frills gauge**, this model delivers strong performance. Those requiring **higher pressure ranges, industrial-grade protection, or customization** should consider upgrading to a more specialized gauge or brand.

### **Recommendation:** - **Buy this gauge if:**

- You need a **simple, accurate, and durable** water pressure gauge for **household, plumbing, or small commercial use**.

- Your system operates within **0-100 PSI** and does not experience extreme temperature fluctuations.

- You prioritize **affordability and ease of installation** over advanced features.

- **Avoid or consider alternatives if:**

- You require **higher pressure ranges** (e.g., 200 PSI or above) for industrial or commercial systems.

- Your environment involves **extreme temperatures, vibrations, or corrosive conditions**, which may shorten the gauge s lifespan.

- You need **remote monitoring, digital readouts, or overpressure protection**, in which case a **smart gauge or industrial-grade model** (e.g., Ashcroft s higher-end series or a digital pressure transmitter) would be better.

- You frequently deal with **leaks or pressure spikes**, as this gauge lacks built-in safeguards.

For most **average users**, this gauge is a **solid, cost-effective purchase** that meets everyday needs without unnecessary complexity. If in doubt, consult a professional to ensure compatibility with your specific system.

Details:

The New Ashcroft 45-1188A-04L 5 H2O Gauge is a high-quality air pressure gauge designed for industrial applications. With a brand known for reliability and precision, Ashcroft gauges are trusted in various sectors such as hydraulics, pneumatic, pumps, plumbing. H2O of pressure accurately. This specific model features a 5-inch dial and measures up to 5 inches of water column in.

Ideal for monitoring and controlling pressure levels in systems where precise measurements are crucial optimal performance safety.

part #: 451188a04l prices

  • $59.00-$75.00

specifications pressureswitchiz:

  • brand: Ashcroft
  • mpn: 45-1188a-04l
  • part type: Gauge

returns pressureswitchiz:

  • policy: No Returns

offer pressureswitchiz:

  • sold: 0
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • started: March 2, 2026
  • quantity: 1

seller pressureswitchiz:

  • city: Broomfield, Colorado
  • rating: 100.0%
  • # reviews: 1455

payments pressureswitchiz:

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

general pressureswitchiz:

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

shipping pressureswitchiz:

  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • cost: $15.00
  • class: Standard
  • transit: 2-5 Days
  • carrier: FedEx
part type: gauge,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 17618827933660711,
Ashcroft 45-1188A-04L Is Similar To:
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2 offers $59.00–$75.00 USD
  • New. Offer #1 priced at $75.00 + $15.00 shipping estimate = $90.00* total. The New Ashcroft 5" H2O Gauge is a high-quality air pressure gauge designed for industrial applications.+$15.00 shipping
  • New. Offer #2 priced at $59.00 + $10.00 shipping estimate = $69.00* total. The NEW ASHCROFT 20 H2O GAUGE is a high-quality air pressure gauge designed for use in various industrial applications.+$10.00 shipping

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