WEISS TL35-100-4L Water Pressure Gauge 0-100 3-1/2

( Brand: Weiss ), ( Manufacturer Part Number: TL35-100-4L ), ( Part Type: Pressure Gauge )

Review WEISS 0-100 Psi 3-1/2 Inch Industrial Pressure Gauge Usa Lot Of

The **Weiss TL35-100-4L 0-100 psi (3-1/2") Pressure Gauge** is a robust, high-performance instrument designed for precision monitoring in industrial, commercial, and mechanical applications where reliable pressure measurement is critical. Engineered with Weiss Engineering s signature quality and durability, this gauge features a **3-1/2-inch (89mm) front dial**, providing an expansive, easy-to-read display that ensures quick and accurate assessments of pressure levels within a range of **0 to 100 psi (0 to 6.89 bar)**. The bold, high-contrast dial face is calibrated with clear, large numerals and incremental markings, allowing operators to track pressure fluctuations with minimal effort, even from a distance. Constructed from **high-grade brass and stainless steel components**, this gauge is built to withstand harsh environments, including exposure to moisture, vibration, and temperature variations, making it ideal for use in HVAC systems, pneumatic tools, automotive diagnostics, industrial machinery, and fluid power applications.

The **TL35 series** incorporates Weiss s proprietary **Teflon -coated diaphragm seal**, which enhances resistance to corrosion, chemical exposure, and wear, ensuring long-term accuracy and reliability. The gauge s **4L (4-lug) mounting style** allows for secure installation on standard flanges, providing flexibility in integration with various piping systems and equipment. The robust **aluminum or steel case** is reinforced for durability, while the **sealed back** prevents contamination from external elements, safeguarding the internal mechanisms. Additionally, the gauge is equipped with a **high-visibility red pointer**, which stands out against the white or black dial background for immediate visual feedback, reducing the risk of misreading. For added convenience, Weiss offers optional **NPT or BSP threaded connections**, ensuring compatibility with a wide range of pressure sources.

Beyond its functional excellence, the Weiss TL35-100-4L is engineered with **precision engineering standards**, delivering consistent performance over extended periods. Its **zero-adjustment feature** allows for easy recalibration when necessary, maintaining accuracy even after prolonged use. Whether deployed in a workshop, factory, or commercial setting, this pressure gauge exemplifies Weiss s commitment to **durability, clarity, and dependability**, making it a trusted choice for professionals who demand precision without compromise. With its combination of **large, legible dial, corrosion-resistant materials, and versatile mounting options**, the TL35-100-4L stands as a reliable workhorse for any application requiring dependable pressure monitoring.

### **Pros and Cons of buying a Weiss TL35-100-4L 0-100 psi Pressure Gauge**

1. **High Accuracy and Reliability** Weiss is a well-known brand in industrial instrumentation, known for producing durable and precise pressure gauges. The TL35 series is designed for consistent performance in demanding applications.

2. **Wide Range (0-100 psi)** This gauge is suitable for low to moderate pressure systems, making it versatile for HVAC, pneumatic, and light industrial applications where pressures do not exceed 100 psi.

3. **4-Inch Dial Size** A larger dial improves readability, allowing operators to quickly and accurately monitor pressure levels without straining to see the needle.

5. **Bourdon Tube Mechanism** The internal spring-tube design ensures responsive and repeatable readings, reducing lag in pressure fluctuations.

6. **Stainless Steel Construction** The gauge is likely built with corrosion-resistant materials, making it suitable for environments with moisture, chemicals, or temperature variations.

7. **Easy Installation** Standard NPT (National Pipe Thread) connections (likely " or " depending on model) allow for straightforward mounting on pipes or valves.

8. **Affordable for Its Class** Compared to high-end industrial gauges, this model offers good value for its performance and durability.

9. **Compatibility with Common Systems** Works well with pneumatic tools, compressed air systems, refrigeration units, and light hydraulic applications.

10. **Long Lifespan with Proper Maintenance** When used within its specified range and kept clean, the gauge can last for years with minimal wear.

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1. **Limited Pressure Range** At only 0-100 psi, it is not suitable for high-pressure applications (e.g., heavy machinery, automotive brake systems, or high-pressure hydraulic systems).

2. **Potential for Glass Breakage** Bourdon tube gauges have a glass face that can shatter if the pressure exceeds the gauge s range or if the gauge is subjected to mechanical shock. This poses a safety risk in some environments.

3. **No Built-in Overload Protection** Unlike some industrial gauges, this model does not inherently protect against sudden spikes in pressure, which could damage the internal mechanism.

4. **Maintenance Requirements** Over time, the gauge may require recalibration or replacement of the bourdon tube if it becomes sluggish or inaccurate. Regular cleaning and inspection are necessary to prevent damage from contaminants.

5. **Limited Environmental Resistance** While stainless steel helps, extreme temperatures, direct sunlight, or exposure to corrosive substances may still degrade performance over time.

6. **No Digital or Smart Features** This is an analog gauge, meaning it lacks digital connectivity, logging, or remote monitoring capabilities, which may be a drawback in modern automated systems.

7. **Potential for Inaccuracy Over Time** Like all mechanical gauges, wear and tear can cause drift, requiring periodic recalibration for critical applications.

8. **Not Explosion-Proof** Unless specified otherwise, this gauge is not rated for use in hazardous environments (e.g., flammable gas or dust settings).

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The **Weiss TL35-100-4L 0-100 psi pressure gauge** is a solid choice for **low to moderate pressure applications** where **accuracy, readability, and durability** are priorities. It excels in **HVAC, pneumatic systems, light industrial processes, and refrigeration** where pressures remain within its range. Its **4-inch dial, stainless steel construction, and brand reputation** make it a reliable workhorse for general use.

However, it is **not ideal for high-pressure, hazardous, or extreme-environment applications** due to its **limited range, lack of overload protection, and potential glass breakage risks**. If you need **digital monitoring, high-pressure capability, or explosion-proof certification**, you would need to consider alternative models.

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- You need a **durable, accurate analog pressure gauge** for **0-100 psi applications**.

- Readability is important (4-inch dial helps).

- You are working in **HVAC, compressed air, or light industrial settings** where the gauge will not be exposed to extreme conditions.

- You prefer a **reputable brand** with a balance of cost and performance.

- Your application requires **pressures above 100 psi** (consider a higher-range gauge).

- You need **explosion-proof or high-impact resistance** (look for specialized industrial models).

- You require **digital connectivity or remote monitoring** (opt for a smart gauge).

- The environment involves **extreme temperatures, corrosive chemicals, or frequent mechanical stress** (a more robust or sealed gauge may be needed).

- For **higher pressure needs**, look at **Weiss TL series with higher ranges (e.g., 0-300 psi or 0-600 psi)**.

- For **hazardous locations**, choose an **explosion-proof model** (e.g., Weiss TL with ATEX/UL certification).

- For **digital monitoring**, consider a **Weiss electronic pressure transmitter** or a **smart gauge with HART or Modbus support**.

Overall, this gauge is a **cost-effective, reliable option for its intended use**, but its limitations should be carefully evaluated before purchase.

Details:

This item packed and ready to ship weighs 1.00 Pounds, 8.00 Ounces. Weiss TL35-100-4L 0-100 PSI 3-1/2 Industrial Pressure Gauge USA - Lot of 0-700 KPA, 3-1/2 INCH DISPLAY, 1/4 BOTTOM CONNECTION condition: New, Original Packaging Never Opened INCLUDES: Item described above and exactly whats pictured. Manufacturer: Item Number: TL35-100-4L / SPECS: 0-100 PSI.

part #: tl351004l prices

• $19.95-$25.00

specifications pressureswitchiz:

• brand: Weiss
• mpn: Tl35-100-4l
• part type: Pressure Gauge

general pressureswitchiz:

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

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• policy: No Returns

offer pressureswitchiz:

• availability: In Stock
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• started: April 2, 2026
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• quantity: 10
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• # reviews: 40565
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• transit: 4-9 Days
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