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  3. ASHCROFT 35-1009-SW-04L-200

ASHCROFT 35-1009-SW-04L-200 Duralife Water Pressure Gauge 3-1/2

35-1009-sw-04l-200 Ashcroft 35-1009-sw-04l-200# Duralife Pressure Gauge 3-1/2 Inch Nib

( Brand: Ashcroft ), ( Manufacturer Part Number: 35-1009-SW-04L-200 ), ( Part Type: Pressure Gauge )

Review ASHCROFT 35-1009-sw-04l-200# Duralife Pressure Gauge 3-1/2 Inch Nib

The **Ashcroft 35-1009-SW-04L-200 Duralife Pressure Gauge (3-1/2")** is a robust, high-performance instrument designed for precision measurement in industrial, commercial, and mechanical applications where reliability and accuracy are paramount. This gauge belongs to Ashcroft s renowned **Duralife series**, renowned for its durability, corrosion resistance, and long-term stability, making it an ideal choice for environments where harsh conditions such as moisture, vibration, or extreme temperatures could compromise lesser-quality instruments. The **3-1/2" dial face** provides ample visibility for easy reading, even from a distance, while its **0-200 PSI (pounds per square inch) range** ensures it is well-suited for low to moderate pressure systems, including hydraulic lines, pneumatic controls, HVAC systems, and automotive diagnostics.

Constructed from **high-grade stainless steel and brass components**, the gauge is engineered to withstand the rigors of demanding applications, offering superior resistance to corrosion and wear. The **sealed, oil-filled bourdon tube mechanism** delivers accurate and consistent readings by minimizing friction and damping fluctuations, which is critical in applications where pressure stability is essential. The **white dial with black numbering and indexing** enhances readability, while the **black pointer with a red tip** ensures quick and clear identification of pressure levels. For added protection, the gauge features a **screw-in connection (NPT) with a 1/4" male thread**, allowing for secure and leak-proof installation in various piping systems.

Beyond its technical specifications, the **35-1009-SW-04L-200** incorporates Ashcroft s **Duralife sealing system**, which extends the gauge s lifespan by preventing moisture and contaminants from entering the internal mechanism. This sealing technology, combined with the **aluminum case with a durable black finish**, provides both aesthetic appeal and functional protection against physical damage. The gauge s **universal mounting flange** allows for flexible installation in panels, walls, or equipment, making it versatile for a wide range of setups. Whether used in manufacturing plants, automotive repair shops, or HVAC systems, this pressure gauge delivers dependable performance with minimal maintenance, ensuring operators can trust its readings for optimal system operation and safety.

**Pros and Cons of buying a Ashcroft 35-1009-SW-04L-200 Duralife Pressure Gauge (3-1/2")**

### **Pros**

1. **Durability and Quality Construction** The Ashcroft brand is well-known for producing high-quality, rugged pressure gauges designed for industrial and commercial use. The Duralife series is particularly built to withstand harsh environments, including exposure to moisture, dust, and temperature fluctuations. The stainless steel construction and reinforced casing enhance longevity.

2. **Wide Range and Accuracy** This gauge measures pressure from **0 to 200 PSI**, which is suitable for many applications, including HVAC, plumbing, and light industrial systems. The 0.5% accuracy rating ensures reliable readings, which is important for maintaining system efficiency and safety.

3. **Easy Installation and Compatibility** The **3-1/2" dial size** provides clear visibility, making it easier to read at a glance. It features a **1/4" NPT male connection**, which is a standard size, ensuring compatibility with most piping systems without requiring additional adapters.

4. **Weatherproof and Corrosion-Resistant** The gauge is designed for **outdoor or wet-location use**, thanks to its sealed construction and corrosion-resistant materials. This makes it ideal for applications where exposure to the elements is a concern.

5. **Low Maintenance** Ashcroft gauges are known for requiring minimal upkeep. The sealed mechanism reduces the risk of internal contamination, and the durable housing minimizes wear over time.

6. **Warranty and Support** Ashcroft products typically come with a **limited warranty**, and the brand has a reputation for good customer support, which can be valuable if issues arise.

7. **Versatile Applications** Beyond HVAC and plumbing, this gauge can be used in **air compressors, automotive systems, and light machinery**, making it a practical choice for various settings.

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### **Cons**

1. **Higher Upfront Cost** Compared to basic or generic pressure gauges, Ashcroft s Duralife series is **more expensive**. While the price reflects its durability and quality, budget-conscious buyers may find alternatives that offer similar performance at a lower cost.

2. **Limited Range for High-Pressure Needs** The **0-200 PSI range** may be insufficient for applications requiring higher pressure readings (e.g., heavy-duty industrial systems, hydraulic presses, or high-pressure boilers). In such cases, a gauge with a higher range (e.g., 0-600 PSI or more) would be necessary.

3. **Potential for Overkill in Low-Demand Applications** If the gauge is being used in a **low-stress environment** (e.g., a simple residential plumbing system), its robust features may be unnecessary, making a simpler, cheaper gauge more practical.

4. **Calibration Requirements** Like all pressure gauges, this one will eventually require **calibration** to maintain accuracy. While Ashcroft gauges are durable, they are not maintenance-free, and calibration may need to be done periodically (e.g., annually or every few years), depending on usage.

5. **Size and Bulk** The **3-1/2" dial** is larger than some standard gauges (e.g., 2-1/2" or 4"), which may be less convenient in **space-constrained installations**. However, the larger size also improves readability, which can be a trade-off.

6. **Potential for Overordering** If you only need a gauge for **occasional use** (e.g., a spare for occasional maintenance), purchasing one may feel like an unnecessary investment compared to renting or borrowing one temporarily.

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### **Conclusion**

The **Ashcroft 35-1009-SW-04L-200 Duralife pressure gauge** is an excellent choice for applications requiring **durability, accuracy, and weather resistance** within its **0-200 PSI range**. Its **high-quality construction, ease of installation, and low maintenance** make it a reliable long-term investment for **HVAC, plumbing, light industrial, and automotive systems**. However, its **higher cost and potentially excessive specifications for low-demand uses** may not justify the purchase for every buyer.

If you need a **long-lasting, accurate gauge for demanding environments** and can afford the upfront cost, this is a **strong recommendation**. If you are working with **lower pressures, higher pressures, or a tight budget**, you may want to explore alternatives (e.g., a **Chemetron, Ashcroft s lower-range models, or a basic industrial gauge**) that better match your specific needs.

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### **Final Recommendation**

**Buy this gauge if:**

- You need a **durable, weatherproof gauge** for **HVAC, plumbing, or light industrial use**.

- Your application requires **0-200 PSI readings** with **high accuracy (0.5%)**.

- You prioritize **long-term reliability** and are willing to pay for **Ashcroft s reputation for quality**.

**Consider alternatives if:**

- You need a **higher pressure range** (e.g., 0-600 PSI or more).

- Your budget is tight, and you can find a **similarly rated gauge at a lower cost**.

- The gauge will be used in a **low-stress environment** where a basic model would suffice.

For most **commercial or industrial applications** within its specified range, this gauge is a **solid, well-built choice**.

Details:

21150 Barbour County Highway. You are buying on a Ashcroft Duralife Pressure Gauge 3-1/2 35-1009-SW-04L-200# NIB. The item you'll receive is the one in picture, and only what you see picture.

Eastern Surplus Asset. Please review the pictures. SHELF: RM1-3.

part #: 351009sw04l200 prices

  • $42.50-$49.99

specifications pressureswitchiz:

  • brand: Ashcroft
  • mpn: 35-1009-sw-04l-200
  • part type: Pressure Gauge

offer pressureswitchiz:

  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • quantity: 1
  • sold: 0
  • started: March 20, 2026

seller pressureswitchiz:

  • city: Clarksburg, West Virginia
  • # reviews: 6781
  • rating: 100.0%

shipping pressureswitchiz:

  • carrier: UPS
  • cost: $0.00
  • type: Calculated
  • service: UPS Ground
  • transit: 4-8 Days
  • class: Standard

general pressureswitchiz:

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

returns pressureswitchiz:

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

payments pressureswitchiz:

  • other
  • credit card: Discover
  • wallet: Google-pay
part type: pressure gauge,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 17819396610294633,
Ashcroft 35-1009-SW-04L-200 Is Similar To:
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2 offers $42.50–$49.99 USD
  • New – Open box. Offer #1 priced at $49.99 + $0.00 shipping estimate = $49.99* total. Eastern Surplus Asset. The item you ll receive is the one in the picture, and you ll only receive what you see in the picture.FREE SHIPPING
  • New – Open box. Offer #2 priced at $42.50 + $8.06 shipping estimate = $50.56* total. Ashcroft Duragauge Pressure Gauge 200 psi 3-1/2 in 1/4 in Side/Bottom.+$8.06 shipping

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