ASHCROFT 45-1279-88-04L-1000 Pressure Gage 45-1279SS-04L-1000 4-1/2 0-1000

( Brand: Ashcroft ), ( Manufacturer Part Number: 45-1279-88-04L-1000 ), ( Part Type: Pressure ), ( Connection Diameter: 1/2 In ), ( Country Of Origin: United States )

Review ASHCROFT 45-1279-88-04l-1000# 45-1279ss-04l-1000# Pressure Gage 4-1/2 0-1000 Lbs

The **Ashcroft 45-1279-88-04L-1000** and **45-1279SS-04L-1000** pressure gauges are precision-engineered instruments designed to deliver reliable, high-performance measurements in demanding industrial, commercial, and mechanical applications. These gauges belong to Ashcroft s **45-1279 series**, renowned for their durability, accuracy, and versatility, making them ideal for monitoring fluid pressure in hydraulic systems, pneumatic applications, HVAC setups, and process control environments. Both models feature a **4 -inch (114.3 mm) dial face**, providing ample visibility for easy reading even from a distance, while the **0-1000 psi (0-68.9 bar) range** ensures they are well-suited for medium to high-pressure applications where precise monitoring is critical.

The **45-1279-88-04L-1000** is constructed with a **brass body**, offering a balance of strength and corrosion resistance, making it suitable for general-purpose use in environments where moderate chemical exposure or moisture may be present. Its **black enamel dial** with **white Arabic numerals and indexing** ensures high contrast for quick, accurate readings, while the **black pointer** with a **red tip** enhances visibility against the background. The gauge is equipped with a **1/4-inch NPT male connection**, allowing for flexible installation in various piping systems, and features a **left-hand connection (L)** for compatibility with specific piping layouts. Additionally, the **0.5% accuracy** rating guarantees consistent performance, minimizing errors in critical applications.

For applications requiring superior corrosion resistance, the **45-1279SS-04L-1000** stands out as a stainless steel alternative. This model replaces the brass body with **316 stainless steel construction**, making it ideal for harsh environments such as chemical processing, food and beverage production, marine systems, or any setting where exposure to saltwater, acids, or extreme temperatures could compromise performance. Like its brass counterpart, it maintains the same **4 -inch dial face, 0-1000 psi range, and 1/4-inch NPT male connection**, ensuring seamless integration into existing systems. The **stainless steel housing** not only resists corrosion but also provides enhanced durability against mechanical stress, extending the gauge s operational lifespan. The **black enamel dial with white markings** remains consistent, ensuring readability, while the **stainless steel pointer** maintains its precision without rust or degradation over time.

Both gauges incorporate Ashcroft s **high-quality bourdon tube mechanism**, which ensures long-term reliability and minimal hysteresis, reducing the risk of inaccurate readings due to mechanical fatigue. The **sealed back** design protects internal components from contamination, while the **screw-type mounting flange** allows for secure attachment to panels or equipment. Whether used in industrial machinery, automotive systems, or commercial infrastructure, these gauges deliver **consistent, dependable pressure monitoring** with minimal maintenance requirements. Their robust construction, combined with Ashcroft s reputation for quality, makes them a trusted choice for engineers, technicians, and facility managers seeking dependable instrumentation.

### **Pros and Cons of buying a Ashcroft 45-1279-88-04L-1000 / 45-1279SS-04L-1000 Pressure Gauge (4-1/2" Dial, 0-1000 PSI)**

1. **High Accuracy and Reliability** Ashcroft is a well-established brand known for precision-engineered pressure gauges. These models are designed for industrial applications where consistent readings are critical.

2. **Durable Construction** The **45-1279-88-04L-1000** features a **stainless steel (SS) case**, making it resistant to corrosion and suitable for harsh environments. The **SS version (45-1279SS-04L-1000)** offers even better corrosion resistance, ideal for chemical, marine, or outdoor use.

3. **Wide Range Compatibility** The **0-1000 PSI range** makes it versatile for moderate-pressure applications, such as HVAC, plumbing, automotive, and light industrial systems.

4. **Easy Installation & Maintenance** Standard **4-1/2" dial size** allows for easy mounting on existing systems. The **NPT (National Pipe Thread) connections** (typically 1/4" or 3/8") ensure compatibility with common piping setups.

5. **Clear Readability** The **large 4-1/2" dial** provides better visibility than smaller gauges, reducing operator error in readings.

6. **Certifications & Standards** Ashcroft gauges often meet **ANSI, ASME, and ISO standards**, ensuring compliance with regulatory requirements in many industries.

7. **Long Lifespan** Properly maintained Ashcroft gauges can last **decades**, making them a cost-effective long-term investment.

8. **Available in Different Materials** The choice between **brass (45-1279-88) and stainless steel (45-1279SS)** allows selection based on environmental needs (e.g., moisture, chemicals, or extreme temperatures).

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1. **Higher Upfront Cost** Compared to generic or lower-end brands, Ashcroft gauges are **more expensive**, which may be a drawback for budget-conscious buyers.

2. **Potential for Overkill in Low-Pressure Applications** If the system rarely reaches **1000 PSI**, a lower-range gauge (e.g., 0-500 PSI) might suffice, reducing unnecessary wear on the mechanism.

3. **Maintenance Requirements** Like all mechanical gauges, these require **periodic calibration and sealing** to maintain accuracy. Neglecting maintenance can lead to **inaccurate readings or failure**.

4. **Limited Customization** The standard **4-1/2" dial and NPT connections** may not fit all applications requiring non-standard mounting or thread sizes.

5. **Weight & Bulk** The **stainless steel version** is heavier than brass, which may be a consideration in space-constrained installations.

6. **Potential for Damage in Extreme Conditions** While durable, **shock, vibration, or improper handling** can damage the bourdon tube or dial, leading to costly replacements.

7. **Replacement Parts Availability** While Ashcroft parts are widely available, **older models may require special ordering** if the gauge is discontinued.

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The **Ashcroft 45-1279-88-04L-1000 / 45-1279SS-04L-1000 pressure gauge** is a **high-quality, reliable choice** for applications requiring **accuracy, durability, and corrosion resistance**. It excels in **industrial, automotive, HVAC, and marine environments** where precision and longevity are critical. However, its **higher cost and maintenance needs** may not justify the purchase for **low-pressure, low-budget, or non-critical applications**.

If **cost is a major concern**, a **lower-range or generic gauge** might be sufficient. If **corrosion resistance, accuracy, and long-term reliability** are priorities, the Ashcroft model is an **excellent investment**.

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You need a **durable, accurate, and corrosion-resistant** gauge for **moderate to high-pressure applications** (up to 1000 PSI).

Your environment involves **moisture, chemicals, or outdoor use**, making the **stainless steel version (45-1279SS)** preferable.

You require **ANSI/ASME compliance** for industrial or regulatory purposes.

You can **budget for periodic calibration and maintenance** to ensure long-term performance.

Your application requires **very low pressure** (e.g., below 500 PSI), making a **lower-range gauge** more cost-effective.

You are working with a **tight budget** and can accept **slightly lower durability** from a different brand.

Your system has **non-standard mounting requirements** that conflict with the **4-1/2" dial or NPT threads**.

**Final Verdict:** For **most industrial, automotive, or high-reliability applications**, the Ashcroft **45-1279SS-04L-1000 (stainless steel) is the best choice** due to its **superior build quality and longevity**. If budget is a constraint, the **brass version (45-1279-88-04L-1000)** is still a strong option for **non-corrosive environments**.

Details:

New open box from plant liquidation. Box is in poor condition. Ashcroft 45-1279-88-04L-1000# Pressure Gage 4-1/2, 0-1000 lbs.

part #: 4512798804l1000 prices

• $39.95-$86.33

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 45-1279-88-04l-1000
• part type: Pressure
• connection diameter: 1/2 In
• country of origin: United States

payments pressureswitchiz:

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

seller pressureswitchiz:

• rating: 100.0%
• # reviews: 6767
• city: Foley, Alabama

general pressureswitchiz:

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

returns pressureswitchiz:

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

shipping pressureswitchiz:

• service: USPS Ground Advantage
• carrier: USPS
• cost: $0.00
• class: Standard
• transit: 5-8 Days
• type: Calculated

offer pressureswitchiz:

• availability: In Stock
• started: May 21, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

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