ASHCROFT 35-1009SWL-02B-200 Glycerin Filled Npt Water Gauge Pressure 3.5 0-200 1/4

( Brand: Ashcroft ), ( Manufacturer Part Number: 35-1009SWL-02B-200 ), ( Part Type: Pressure Gauge ), ( Face Diameter: 3.5 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Back Mount ), ( Unit Type: Unit ), ( Maximum Pressure: 200 Psi ), ( Country Of Origin: United States )

Review ASHCROFT 3.5 Inch Pressure Gauge 0-200 Psi Glycerin Filled 35-1009swl-02b 1/4 Npt

The **Ashcroft 35-1009SWL-02B-200 3.5" Pressure Gauge (0-200 PSI, Glycerin-Filled, 35-1009SWL-02B, 1/4 NPT)** is a robust, high-performance instrument designed for precise and reliable pressure measurement in industrial, commercial, and mechanical applications where accuracy and durability are paramount. This gauge features a **3.5-inch dial face**, providing ample visibility for easy reading even from a distance, making it ideal for environments where quick, clear monitoring is essential. The **0-200 PSI range** ensures it is well-suited for moderate to high-pressure systems, including hydraulic lines, pneumatic circuits, HVAC systems, and automotive or machinery diagnostics where consistent performance is critical.

One of the standout features of this gauge is its **glycerin-filled casing**, which offers superior protection against temperature fluctuations, vibration, and shock common challenges in demanding operational settings. Unlike air-filled gauges, the glycerin filling dampens movement within the mechanism, reducing wear and tear on internal components and extending the gauge s lifespan. This design also enhances accuracy by minimizing the effects of external disturbances, ensuring stable and repeatable readings over time.

Constructed with **high-quality materials**, the Ashcroft 35-1009SWL-02B is built to withstand harsh conditions, featuring a **durable metal housing** that resists corrosion and mechanical stress. The **1/4 NPT (National Pipe Thread) male connection** allows for secure and standardized mounting to piping systems, ensuring a tight seal and preventing leaks. The gauge s **screw-type mounting** further simplifies installation, accommodating a variety of setups without the need for additional adapters.

The **35-1009SWL-02B series** is known for its precision engineering, with a **0.5% accuracy** rating, which translates to reliable performance in critical applications where even minor deviations could impact efficiency or safety. The **black-and-white dial** provides a clear contrast, making it easy to distinguish pressure levels at a glance, while the **bold, legible numbering** ensures readability under varying lighting conditions. Additionally, the gauge s **backlit or illuminated models** (available as optional upgrades) can be specified for environments with low visibility, such as workshops or control rooms.

Whether installed in a **hydraulic press, refrigeration system, or automotive diagnostic tool**, this Ashcroft pressure gauge delivers consistent performance with minimal maintenance. Its **sealed construction** prevents contamination from external elements, while the **durable bourdon tube** ensures long-term resilience against pressure cycles. For industries prioritizing **calibration and traceability**, Ashcroft gauges are often certified to meet **ANSI, ISO, and other international standards**, ensuring compliance with regulatory requirements.

In summary, the **Ashcroft 35-1009SWL-02B-200 3.5" glycerin-filled pressure gauge** is a premium choice for professionals who demand **accuracy, durability, and ease of use** in their pressure monitoring needs. Its combination of **large dial size, glycerin protection, robust construction, and precise calibration** makes it an indispensable tool for maintaining system integrity in a wide range of industrial and mechanical applications.

**Pros and Cons of buying a Ashcroft 35-1009SWL-02B-200 (3.5" Pressure Gauge, 0-200 PSI, Glycerin-Filled, 1/4 NPT)**

1. **Durability and Reliability** Ashcroft is a well-established brand known for high-quality pressure gauges used in industrial, automotive, and HVAC applications. This model is designed for rugged environments, making it suitable for long-term use.

2. **Glycerin-Filled Mechanism** The glycerin filling protects the internal components from damage caused by temperature fluctuations, vibration, and shock. This extends the gauge s lifespan and improves accuracy in varying conditions.

3. **Large 3.5" Dial** The oversized dial makes readings easier to see from a distance, reducing eye strain and improving safety in workshops or control rooms.

4. **Wide Range (0-200 PSI)** The 0-200 PSI range is versatile for applications like hydraulic systems, pneumatic tools, automotive brake systems, and light-duty industrial processes.

5. **1/4 NPT Threading** The standard 1/4-inch NPT connection ensures compatibility with most standard fittings, making installation straightforward.

6. **Accurate and Calibrated** Ashcroft gauges are precision-engineered, providing reliable measurements within acceptable tolerances for most industrial standards.

7. **Corrosion Resistance** The construction typically includes stainless steel or other corrosion-resistant materials, making it suitable for environments with moisture or mild chemicals.

8. **Easy to Read Scale** The clear, numbered scale ensures quick and accurate pressure assessment without confusion.

9. **Widely Available** As a common industrial gauge, replacement parts and calibration services are readily accessible.

10. **Cost-Effective for Industrial Use** While not the cheapest option, its durability and performance justify the investment for professional applications.

---

1. **Higher Upfront Cost** Compared to basic or generic pressure gauges, this Ashcroft model is more expensive, which may be a drawback for budget-conscious buyers or small-scale applications.

2. **Potential for Overkill in Low-Demand Uses** If you only need a gauge for occasional or non-critical use (e.g., home DIY projects), a simpler or cheaper model may suffice.

3. **Glycerin Can Attract Dust** The glycerin filling, while protective, can sometimes attract dust or debris, requiring occasional cleaning to maintain readability.

4. **Calibration May Be Required Over Time** Like all mechanical gauges, this model may drift over time and may need recalibration, especially in harsh conditions.

5. **Bulkier Design** The 3.5" size makes it less portable than smaller gauges, which could be a limitation in tight or mobile applications.

6. **Potential for Counterfeit Products** Since Ashcroft is a reputable brand, there is a risk of purchasing counterfeit or low-quality knockoffs if buying from untrusted sellers.

7. **Limited Customization** Unlike some specialized gauges, this model does not offer custom scales, colors, or additional features beyond its standard specifications.

8. **Maintenance Requirements** Regular inspection for leaks, corrosion, or damage is necessary to ensure continued accuracy and safety.

---

The Ashcroft 35-1009SWL-02B-200 is a high-quality, durable pressure gauge ideal for industrial, automotive, or HVAC applications where reliability and readability are critical. Its glycerin-filled mechanism, large dial, and robust construction make it a strong choice for professionals who prioritize accuracy and longevity. However, its higher cost and bulkier design may not be justified for casual or low-demand uses.

- You need a reliable, long-lasting pressure gauge for professional or industrial use.

- You operate in environments with temperature fluctuations, vibration, or potential moisture exposure.

- You prefer a large, easy-to-read dial for safety and convenience.

- You require a standard 0-200 PSI range with 1/4 NPT threading.

- You are on a tight budget and only need a gauge for occasional or non-critical use (a cheaper, smaller gauge may suffice).

- You require a more compact or portable gauge for fieldwork.

- You need a custom scale, digital display, or additional features not offered by this model.

- You are unsure about the gauge s authenticity and prefer to purchase from a trusted supplier.

For most industrial or automotive applications, this Ashcroft gauge is a solid investment that balances performance, durability, and usability. Always verify the seller s reputation and purchase from authorized distributors to ensure you receive a genuine product.

Details:

Dial Size: 3.5 inches. Brand: Ashcroft. NOTE: Only what is pictured. Window Material: Poly carbonate.

Pressure Range: to 200 PSI. Liquid Filled: Yes Glycerin. Connection Location: Back Mount. Model / Part Number: 35-1009SWL-02B-200 35-1009SWL-02B.

Specializing in IT Asset Management and Disposition Details Ashcroft 3.5 Pressure Gauge 0-200 PSI Glycerin Filled 35-1009SWL-02B 1/4 NPT, Specifications.

part #: 351009swl02b200 prices

• $25.99-$60.00

specifications pressureswitchiz:

• brand: Ashcroft
• mpn: 35-1009swl-02b-200
• part type: Pressure Gauge
• face diameter: 3.5 In
• connection diameter: 1/4 In
• mounting position: Back Mount
• unit type: Unit
• maximum pressure: 200 Psi
• country of origin: United States

shipping pressureswitchiz:

• type: Calculated
• cost: $16.45
• carrier: USPS, UPS, FedEx
• class: Standard, Economy, Expedited
• service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground Economy, UPS 3 Day Select
• transit: 3-8 Days

payments pressureswitchiz:

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

offer pressureswitchiz:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: June 9, 2026

seller pressureswitchiz:

• # reviews: 778
• city: Milton, New Hampshire
• rating: 99.7%

returns pressureswitchiz:

• policy: No Returns

general pressureswitchiz:

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

Ashcroft 35-1009SWL-02B-200 Is Similar To:

• -10-1008-a-02b-200 Ashcroft Pressure Gauge 0-200 Psi (51.3% similar) Came from Savannah river site...(December 21st, 2016)
• 45-1279-ss-04l-600psi Ashcroft Psi New In Box (21.9% similar) Face pressure gauge, it has a 1/2 connection, aluminum case, 316 tube socket, this is new unused, in original box. Make an offer...(March 15th, 2019)
• 0-120c Ashcroft Temperature Gauge Gas Acuated New (34.9% similar) Ashcroft temperature gauge 0-120C gas actuated new catalog C-600B-02-BS-XNG tramp every angle dial thermometer stem length 9 LOC1162...(September 3rd, 2018)
• Ashcroft Psi Units 2 0.25 Gauge Grade 0.1 3a Subd Ccuracy Prices Test (32% similar) 25 2 units, working see the pictures buyer pays. Good condition, Ashcroft test gauge...(June 2nd, 2015)
• 01124a Viking Ashcroft Air Gauge (24.2% similar) Fm approved...(December 19th, 2017)
• 0255335 Star Ashcroft Gauge 02-553 (26.9% similar) Each item in any multi-item lot is presumed to have a final value proportional and equal the total price of. Please review the item title, and detail in photographs make sure this is correct one for your application - much information given by...(November 19th, 2017)
• 037.00011.00 Ashcroft Gauge New In (23.9% similar) ...(February 21st, 2018)
• 1-4-1106 Ashcroft New 1-4 Npt (27.9% similar) Our daily shipping cut-off is 3:00PM eastern time. For cancelled orders, a 35 service fee will apply. 20 lbs shipping dimensions...(March 13th, 2017)
• 10-1008-sl-02b-600 10-1008-sl-02b-600 Ashcroft Pressure Gauge New (30.3% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(February 17th, 2018)
• 10-1008-sl-02l-200 Ashcroft Duralife Pressure Gauge Npt (37.4% similar) Lbs shipping DIMENSIONS:5...(January 16th, 2019)
• 10-1008-sl-04l-160 Ashcroft Air Pressure Gauge (32.9% similar) You are only buying what is pictured...(October 11th, 2017)