WATTS REGULATOR CO N170L-M2 Water Temperature Control Valve 130

( Brand: Watts Regulator Co ), ( Manufacturer Part Number: N170L-M2 ), ( Part Type: Control Valve ), ( Suitable Media: Water ), ( Port Type: Npt ), ( Body Material: Bronze ), ( Port Diameter: 1 In )

Review WATTS REGULATOR CO Inch Hot Water Temperature Control Valve 100 130

The **Watts Regulator N170L-M2 Water Temperature Control Valve (130)** is a high-performance, precision-engineered valve designed to deliver reliable and efficient temperature regulation in a wide range of industrial, commercial, and residential applications. Part of Watts renowned **N170L** series, this **modulating two-way mixing valve** is engineered to provide seamless control over water temperature with unmatched accuracy and durability. Built with a **ceramic disc and seat assembly**, the valve ensures smooth, wear-resistant operation while minimizing maintenance requirements, even in demanding environments where water quality may vary. Its **direct-acting, pilot-operated design** allows for precise modulation, enabling gradual adjustments to flow rates and temperature setpoints with minimal pressure loss, making it ideal for systems requiring gradual, responsive control such as radiant floor heating, domestic hot water systems, or commercial HVAC applications.

The **N170L-M2** features a **130-size connection**, compatible with standard copper, PEX, or CPVC piping, ensuring versatile installation options for both new construction and retrofitting projects. Its **compact yet robust construction** incorporates a **brass body** with a **stainless steel trim**, providing superior corrosion resistance and longevity, particularly in systems exposed to hard water or aggressive chemicals. The valve s **integrated temperature sensor port** allows for easy integration with external thermostats or digital controllers, enabling automated temperature management for enhanced energy efficiency and user convenience. Whether used in a **residential bath or kitchen application**, a **commercial spa or pool system**, or an **industrial process cooling loop**, the N170L-M2 delivers consistent performance with minimal noise and vibration, contributing to a quieter, more reliable operation.

For added safety and ease of use, the valve is equipped with a **clear, labeled actuator** that can be manually adjusted for quick overrides or fine-tuning, while its **fail-safe design** ensures predictable operation in the event of power loss or system failure. The **watts regulator N170L-M2** is backed by the brand s reputation for quality and innovation, offering a balance of performance, durability, and ease of installation that makes it a preferred choice for engineers, contractors, and end-users seeking dependable temperature control solutions. With its **low maintenance requirements** and **long service life**, this valve is not just a component but a strategic investment in system efficiency and reliability.

### **Pros and Cons of buying a Watts Regulator N170L-M2 Water Temperature Control Valve (130 Series)**

1. **Precision Temperature Control** The N170L-M2 is designed for accurate and consistent water temperature regulation, making it ideal for applications requiring stable thermal conditions, such as industrial processes, HVAC systems, or commercial water heating.

2. **Modular and Scalable Design** As part of the **130 Series**, it integrates seamlessly with other Watts regulators, allowing for system expansion or modification without major overhauls. This modularity simplifies maintenance and upgrades.

3. **Reliable and Durable Construction** Watts is a well-established brand known for high-quality, long-lasting control valves. The N170L-M2 features robust materials and engineering, reducing the risk of leaks, corrosion, or mechanical failure over time.

4. **Energy Efficiency** By maintaining precise temperature control, it helps optimize energy usage, reducing unnecessary heating or cooling cycles, which can lower operational costs in the long run.

5. **Wide Application Range** Suitable for **hot water systems, steam applications, and process control** in industries like manufacturing, food processing, and healthcare. Its versatility makes it a practical choice for various environments.

6. **Easy Installation and Maintenance** Designed with standard connections (typically threaded or flanged), it allows for straightforward installation. Watts also provides clear documentation and support, simplifying troubleshooting and servicing.

7. **Compatibility with Control Systems** Works well with **PID controllers, thermostats, and automation systems**, making it adaptable to both manual and automated setups.

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1. **Higher Upfront Cost** Compared to basic temperature control valves or manual systems, the N170L-M2 represents a significant investment. The premium pricing reflects its advanced features, which may not be necessary for simple applications.

2. **Complexity for Non-Experts** While Watts valves are reliable, their advanced functionality (such as electronic control integration) may require **specialized knowledge** for proper installation, calibration, and maintenance. DIY users without mechanical or plumbing expertise may struggle.

3. **Potential for Overkill in Small Systems** If you only need **basic temperature modulation** (e.g., in a small residential hot water heater), a simpler, less expensive valve might suffice. The N170L-M2 s precision may be unnecessary for low-demand applications.

4. **Dependence on Power Supply (if electronic)** Some models in the 130 Series may require **electrical power** for full functionality. If power outages are common in your location, you may need backup solutions (e.g., battery backup or manual override).

5. **Maintenance Requirements** Like any precision instrument, the N170L-M2 may require **regular calibration, filter changes, or sensor checks** to maintain optimal performance. Neglecting maintenance could lead to inaccurate readings or system failures.

6. **Limited Customization for Extreme Conditions** While robust, the valve may not be ideal for **extreme temperature ranges, highly corrosive fluids, or high-pressure environments** without additional modifications or accessories.

7. **Potential for Compatibility Issues** If integrating with an existing system, ensure **pipe sizes, pressure ratings, and control signals** align with the N170L-M2 s specifications. Mismatches could require costly retrofitting.

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### **Conclusion**

The **Watts Regulator N170L-M2 (130 Series)** is a **high-performance, modular, and reliable** temperature control valve best suited for **industrial, commercial, or large-scale applications** where precision and durability are critical. Its advanced features justify the cost for users who prioritize **energy efficiency, scalability, and long-term reliability**.

However, for **small-scale, low-budget, or simple applications**, a less expensive alternative (such as a manual thermostatic valve or a basic electronic regulator) may be more practical. The decision depends on:

- **Budget** (is the premium worth the features?)

- **System complexity** (does your setup require advanced control?)

- **Long-term needs** (will the valve integrate with future expansions?)

- **User expertise** (can you properly install and maintain it?)

If you operate in an **industrial or high-demand environment** and need **consistent, automated temperature control**, the N170L-M2 is a **strong recommendation**. For other uses, consider whether the added complexity and cost are justified.

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You need **precise, automated temperature regulation** in a commercial or industrial setting.

Your system requires **scalability and modularity** for future upgrades.

You have **technical expertise** or can hire professionals for installation/maintenance.

Long-term **energy savings and reliability** outweigh the upfront cost.

You re working with a **small, low-pressure system** where a simpler valve would suffice.

Your budget is **limited**, and you can find an equally effective (but cheaper) alternative.

You lack **mechanical or electrical knowledge** to properly configure and maintain it.

Your application involves **extreme conditions** (e.g., highly corrosive fluids) without additional safeguards.

For most **industrial or large-scale water temperature control needs**, the N170L-M2 is a **solid, high-quality choice**. For everything else, weigh the pros and cons carefully against your specific requirements.

Details:

watts Regulator 1 N170L-M2 Hot Water Temperature Control Valve 100 130 Item is in very good used condition.

part #: n170lm2 prices

• $169.99-$199.99

specifications valvesplumbing:

• brand: Watts Regulator Co
• mpn: N170l-m2
• part type: Control Valve
• suitable media: Water
• port type: Npt
• body material: Bronze
• port diameter: 1 In

shipping valvesplumbing:

• transit: 5-11 Days
• service: USPS Ground Advantage
• cost: $15.10
• class: Standard
• carrier: USPS
• type: Calculated

seller valvesplumbing:

• rating: 99.7%
• city: Waco, Texas
• # reviews: 556

offer valvesplumbing:

• best offers: True
• started: May 28, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

payments valvesplumbing:

• wallet: Google-pay
• other
• credit card: Mastercard

returns valvesplumbing:

• policy: No Returns

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Mixing Valves
• condition: Used

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