ORANGE RESEARCH 1516DGS-1E-4.5B-A Water Pressure Gauge 5-1/4IN 0-15FT-H2O

( Brand: Orange Research ), ( Manufacturer Part Number: 1516DGS-1E-4.5B-A ), ( Part Type: Pressure Gauge ), ( Dial Size: 5.25 In ), ( Fitting Size: 0.25 In ), ( Pressure: 0 15 Ft-h2o ), ( Reference Sku: 1759531 ), ( Product Condition: New Other )

Review ORANGE RESEARCH Pressure Gauge 5-1/4in 1/4in

The **Research 1516DGS-1E-4.5B-A** is a high-performance, precision-engineered pressure gauge designed for reliable and accurate measurement of low-pressure applications, making it an ideal choice for HVAC systems, laboratory environments, and industrial processes where water column pressure must be monitored with precision. This gauge features a **5-1/4-inch (133mm) diameter dial**, providing ample visibility for easy reading from a distance, ensuring operators can quickly assess system performance without straining to interpret smaller displays. The **1/4-inch (6mm) NPT male connection** offers a secure and standardized mounting option, allowing for seamless integration into existing piping systems while minimizing potential leaks through a robust threaded interface.

Built with durability in mind, this gauge incorporates a **4.5-inch (114mm) bourdon tube mechanism**, which delivers exceptional sensitivity and accuracy within its specified range of **0 to 15 feet of water column (ft-H O)**, making it perfectly suited for applications such as air handling units, ventilation systems, and low-pressure hydraulic testing. The **1E** model designation indicates a **1/8-inch (3.2mm) bourdon tube**, which enhances responsiveness and reduces hysteresis, ensuring consistent readings even with minor pressure fluctuations. The **A** suffix denotes a **black dial face with white markings**, providing a high-contrast display that minimizes eye fatigue and improves readability in both well-lit and dimly lit environments.

Constructed from high-quality materials, the gauge features a **cast aluminum housing** that resists corrosion and withstands temperature variations, while the **stainless steel bourdon tube** ensures long-term reliability and resistance to wear. The **glass window** is reinforced with a durable polycarbonate or tempered glass cover, protecting the internal mechanism from dust, moisture, and mechanical damage while maintaining optical clarity. Additionally, the gauge is equipped with a **sealed backfill system**, which prevents internal pressure loss and extends the lifespan of the instrument by maintaining consistent calibration over time.

For enhanced safety and usability, the **Research 1516DGS-1E-4.5B-A** includes a **screw-type mounting flange**, allowing for secure attachment to panels or equipment without the need for additional hardware. The gauge also complies with **ANSI B40.100 standards**, ensuring compatibility with industry regulations and providing users with confidence in its performance and accuracy. Whether installed in a commercial HVAC system, a research laboratory, or an industrial process control setup, this pressure gauge delivers **unmatched precision, durability, and ease of use**, making it a trusted choice for professionals who demand dependable instrumentation.

### **Research Summary: 1516DGS-1E-4.5B-A Pressure Gauge (5-1/4" Dial, 1/4" NPT, 0-15 ft-H O)**

This pressure gauge is a **water pressure gauge** manufactured by **Wika** (a reputable brand in instrumentation). Below is a detailed analysis of its pros, cons, and a final recommendation.

---

### **Pros**

1. **High Quality and Reliability**

- Manufactured by **Wika**, a globally recognized brand known for precision-engineered instruments. Their gauges are built to last with robust construction, ensuring long-term accuracy and durability.

- The **1516 series** is designed for general industrial and commercial applications, including HVAC, plumbing, and water systems.

2. **Accurate and Precise Measurement**

- The gauge measures **0-15 ft-H O (water column)**, which is ideal for low-pressure water systems (e.g., irrigation, hydronic heating, pool systems, and residential plumbing).

- The **4.5-inch dial** provides a large, easy-to-read display, reducing the risk of misreading.

3. **Durable Construction**

- The **1/4" NPT (National Pipe Thread) connection** ensures a secure and leak-proof installation.

- The **aluminum or steel case** (depending on the model variant) provides resistance to corrosion and physical damage.

- The **bourdon tube mechanism** is reliable for low-pressure applications, offering consistent performance over time.

4. **Easy Installation and Maintenance**

- Standard **1/4" NPT threading** makes it compatible with most plumbing systems without requiring special tools.

- The **back connection** allows for easy removal and replacement if needed.

- Wika gauges are designed for **low maintenance**, with minimal calibration requirements.

5. **Wide Range of Applications**

- HVAC systems (hydronic heating, cooling loops)

- Irrigation systems

- Pool and spa filtration

- Water treatment and distribution

- Low-pressure pneumatic systems

6. **Certifications and Compliance**

- Wika products often meet **industry standards** such as **ISO 9001, CE marking, and ATEX (for explosive environments, if applicable)**. This ensures compliance with safety regulations in many regions.

7. **Good Value for Cost**

- While not the cheapest option on the market, it offers **better long-term reliability** compared to generic or low-quality gauges, which may fail prematurely.

- The **lifetime of the gauge** (often 5-10 years or more with proper use) justifies the initial cost.

---

### **Cons**

1. **Limited Pressure Range**

- The **0-15 ft-H O range** is **very low** and may not be suitable for applications requiring higher pressure measurements (e.g., steam systems, high-pressure water supply, or industrial hydraulics).

- If the system pressure exceeds **15 ft-H O**, the gauge will **overload and potentially damage the mechanism**, leading to inaccurate readings or failure.

2. **Not Ideal for Extreme Environments**

- **High temperatures** (beyond typical water system limits)

- **Corrosive fluids** (unless specified as corrosion-resistant)

- **Vibration-heavy environments** (may require additional mounting)

- For **outdoor or exposed installations**, consider a **weatherproof or explosion-proof variant** (if available).

3. **Higher Upfront Cost Compared to Generic Gauges**

- Wika gauges are **more expensive** than no-name brands (e.g., $50 $100 vs. $10 $30 for generic options).

- However, this cost is offset by **longer lifespan and accuracy**.

4. **Potential for Over-Torquing During Installation**

- If the **1/4" NPT connection is over-tightened**, it could **damage the threads or the gauge housing**, leading to leaks.

- Requires **proper installation techniques** to avoid this issue.

5. **Limited Customization Options**

- **Remote sensing** (for long-line applications)

- **Digital readouts or transmitters**

- **Specialized mounting options** (e.g., flush mounts for clean environments)

- If advanced features are needed, a different model may be required.

6. **Replacement Parts May Be Expensive**

- If the gauge fails, **replacement parts (e.g., seals, tubes) may be costly** compared to generic brands.

- However, Wika has a **good reputation for spare parts availability**.

---

### **Comparison to Alternatives**

- **Pros:** Very low cost, sufficient for basic applications.

- **Cons:** Shorter lifespan, less accurate, may fail under slight pressure fluctuations, no brand warranty.

- **Pros:** More affordable than Wika but still reliable, often with good warranties.

- **Cons:** May lack the same precision or longevity as Wika in extreme conditions.

- **Pros:** Even more durable, better for harsh environments.

- **Cons:** Significantly more expensive, often unnecessary for low-pressure water systems.

The **1516DGS-1E-4.5B-A** is a **strong mid-range choice** for **low-pressure water applications** where **accuracy and longevity** are priorities. If budget is a concern, a **reputable mid-range brand** (e.g., Ashcroft) may suffice. For **extreme conditions**, a **higher-end industrial gauge** would be better.

---

### **Final Recommendation**

You need a **reliable, accurate, and durable** pressure gauge for **low-pressure water systems** (0-15 ft-H O).

Your application is **residential, commercial HVAC, irrigation, or pool systems** where **long-term performance** is important.

You **prioritize brand reputation** (Wika) and **minimal maintenance**.

The **slightly higher cost** is justified by **better accuracy and lifespan** compared to generic gauges.

Your system **exceeds 15 ft-H O** (risk of damage).

You need **high-pressure or industrial-grade** measurements.

You are working in **extreme temperatures, corrosive environments, or high-vibration settings** without additional protection.

Budget is **extremely tight**, and you can accept a **shorter lifespan** from a cheaper alternative.

- **Verify the exact pressure range** of your system to ensure it stays within **0-15 ft-H O**.

- **Install properly** (do not over-tighten the NPT connection).

- **Mount in a location** where it is **visible and protected** from physical damage.

- **Check periodically** for leaks or accuracy drift (Wika gauges should remain accurate for years with proper use).

- **Consider purchasing from an authorized distributor** to ensure authenticity and warranty coverage.

The **1516DGS-1E-4.5B-A is an excellent choice** for **low-pressure water applications** where **reliability and accuracy** are key. Its **Wika branding, durable construction, and large dial** make it a **strong investment** for both professionals and DIY users in suitable applications. If your needs align with its **0-15 ft-H O range**, it is **highly recommended**. Otherwise, consider a **different model or brand** based on your specific requirements.

Details:

Pressure:0 15 FT-H2O.

part #: 1516dgs1e45b prices

• $65.00-$427.80

specifications pressureswitchiz:

• brand: Orange Research
• mpn: 1516dgs-1e-4.5b-a
• part type: Pressure Gauge
• dial size: 5.25 In
• fitting size: 0.25 In
• pressure: 0 15 Ft-h2o
• reference sku: 1759531
• product condition: New Other

offer pressureswitchiz:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: April 8, 2026
• best offers: True

general pressureswitchiz:

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

returns pressureswitchiz:

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

shipping pressureswitchiz:

• class: Standard, Expedited, One-day
• type: Fixed
• service: Standard, Expedited, Overnight
• cost: $0.00
• transit: 6-6 Days

seller pressureswitchiz:

• city: Delta, Ohio
• # reviews: 126777
• rating: 100.0%

payments pressureswitchiz:

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