
687472408352 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $154.99 | Top Pick! Condition is New, Parker Ec-Aa-Sz Themostatic Ex Valve, 1/6 To 1/4 Ton, FREE SHIPPING | ![]() |
![]() | $159.45 | Condition is New, PARKER EC-AA-SZ Thermostatic Expan Valve,8 ton,450 psi 1ZRF8, FREE SHIPPING | ![]() |

The Parker 687472408352 EC-AA-SZ thermostatic excavator valve is a high-performance component designed for use in heavy-duty excavation applications. This 1/6, 1/4 size valve is engineered to provide precise control of hydraulic fluid flow, ensuring optimal machine performance and minimizing downtime.
The EC-AA-SZ valve is a thermostatic design, meaning it includes a temperature-sensitive element that automatically regulates the flow of hydraulic fluid based on the machine's operating temperature. This feature helps maintain optimal working temperatures, enhancing the efficiency of the excavator and extending the life of its components.
The valve body is constructed from durable, corrosion-resistant materials, ensuring long-lasting reliability even in the most demanding environments. Its compact design allows for easy installation and integration into various hydraulic systems. The EC-AA-SZ valve is also compatible with a wide range of Parker and other branded hydraulic hoses and fittings.
The Parker 687472408352 EC-AA-SZ thermostatic excavator valve features a robust, positive-sealing design that minimizes leaks and maximizes fluid efficiency. Its internal components are engineered for smooth operation, reducing wear and tear and the need for frequent maintenance.
This valve is suitable for use in a variety of excavation applications, including digging, grading, and material handling. Its precise temperature control and efficient fluid flow make it an ideal choice for operators who demand the highest levels of performance and reliability from their equipment.
In summary, the Parker 687472408352 EC-AA-SZ thermostatic excavator valve is a high-performance, corrosion-resistant component designed for use in heavy-duty excavation applications. Its thermostatic design provides precise temperature control, while its robust construction ensures long-lasting reliability. Its compact size and compatibility with various hoses and fittings make it a versatile addition to any hydraulic system, making it an essential tool for operators seeking optimal performance and efficiency in their excavation equipment.
The Parker EC-AA-SZ 1/6 1/4 Inch Thermostatic Expansion Valve (687472408352) is a common part used in automotive air conditioning systems. Here are some pros and cons that may help you decide whether to purchase this valve:
Pros:1. Thermostatic control: This valve maintains a consistent temperature in the refrigerant system by regulating the flow of refrigerant based on temperature.
2. Durability: Parker is a reputable brand known for producing high-quality automotive parts. This valve is designed to withstand the harsh conditions of an automotive environment.
3. Easy installation: The valve comes with clear installation instructions and can be easily replaced by someone with basic DIY skills.
4. Improved cooling performance: A properly functioning thermostatic expansion valve ensures that the refrigerant is distributed evenly throughout the system, resulting in improved cooling performance.
5. OEM compatibility: This valve is designed to be a direct replacement for original equipment manufacturer (OEM) parts, ensuring a perfect fit and function.
Cons:1. Cost: The Parker EC-AA-SZ 1/6 1/4 Inch Thermostatic Expansion Valve is more expensive than some aftermarket alternatives.
2. Availability: This valve may not be readily available at local auto parts stores and may need to be ordered online.
3. Complexity: While the installation process is relatively straightforward, understanding the intricacies of the thermostatic expansion valve and the refrigerant system can be challenging.
Conclusion:The Parker EC-AA-SZ 1/6 1/4 Inch Thermostatic Expansion Valve is a high-quality, durable part that offers improved cooling performance and easy installation. However, its cost and availability may be a drawback for some. Ultimately, if you are looking for a reliable, OEM-quality replacement for your thermostatic expansion valve, this Parker part is a solid choice.
Details:
Parker Ec-aa-sz themostatic ex valve,1/6 to 1/4 ton: thermostatic expansion valve, adjustable, r-404a, nominal capacity tons 1/6 1/4, internal, straight through solder connection, connector inlet in. In, outlet 1/2 Ec-aa-sz, -40 0, capillary length 30 reducing flare nut size -, 10, accuracy, maintained over a wide variation in evaporator load, thereby minimizing hunting flood back and coil starving problems, balanced, 750-70, externally includes sensing bulb mounting clamp details.
specifications maxohvac:
- brand: Parker
- mpn: Ec-aa-sz
- type: Ac Refrigeration Components Ac Refrigeration Valves Therm
- custom bundle: No
- country/region of manufacture: Us
- weight: 1.1500
- length: 5.200
- width: 3.200
- features: Thermostatic Expansion Valve, Adjustable, R-404a, Nominal Capacit
- upc: 687472408352
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
offer maxohvac:
- availability: in stock
- prices: $154.99–$159.45
- item condition: New
- started: august 2, 2025
- options: ship-to-home
- sold #: 21
shipping maxohvac:
- transit: 5-5 days
- service: standard
- class: standard
- type: fixed
payments maxohvac:
- credit card: discover
- wallet: google-pay
- other
seller maxohvac:
- # reviews: 1241686
- rating: 99.6%
- city: USA
returns maxohvac:
- paid by: seller
- time: 60 days
- method: money back
- policy: returns accepted
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