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- 73W19 - Limit Control (155F)
商品＃:
181104758
73W19 - Limit Control (155F)
86% of respondents would recommend this to a friend
商品＃:
181104758
TWD 2354
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
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QTY:
庫存僅剩18件。
立即訂購並活動它 週六, 十月 03
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Ensure optimal performance and safety with the 73W19 CONTROL-LIMIT switch that activates at 155F.
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What Stands Out
Named Limit Control
The 73W19 model offers precision temperature regulation, ensuring optimal performance at a consistent 155°F. This feature solves overheating issues common in competing products.
High-Quality Build
Constructed with durable materials, the 73W19 ensures long-lasting reliability, providing exceptional value and reducing maintenance needs over time, setting it apart from other limit controls.
User-Friendly Design
The intuitive interface of the 73W19 simplifies installation and operation, making it accessible for users with varying levels of technical expertise, enhancing overall customer satisfaction.
產品詳情
| Operation Mode | manual |
| Contact Type | Normally Closed |
| Connector Type | Plug In |
| Switch Type | Limit Switch |
| Terminal | Screw |
| Circuit Type | 1-way |
| Mounting Type | Plug In Mount |
| Actuator Type | Plunger |
| Lower Temperature Rating | 155 °F |
| Connectivity Protocol | X-10 |
| Control Type | automatic |
| Compatible Devices | HVAC control systems, thermostats, X-10 enabled devices |
| Color | Multicolor |
| Item Dimensions | 7 x 9 x 3 inches (17.8 x 22.9 x 7.6 cm) |
| Unit Count | 1 Count |
| Material Type | lead |
| International Protection Rating | IP00 |
| Brand Name | Armstrong |
| Manufacturer | Allied Parts |
| UPC | 662551418439 |
| Item Weight | 2 pounds (910 grams) |
| Part Number | 73W19 |
| Brand | Armstrong |
| Material | lead |
| Item dimensions L x W x H | 7 x 9 x 3 inches (17.8 x 22.9 x 7.6 cm) |
Who Should Buy?
-
HVAC Professionals
Ideal for HVAC technicians needing reliable limit control in residential or commercial heating systems, ensuring optimal temperature settings.
-
Homeowners
Suitable for homeowners seeking to replace faulty limit controls in their furnaces for improved safety and efficiency.
-
Industrial Applications
Useful in industrial settings where precise temperature regulation is critical for equipment safety and operational efficiency.
-
Casual Users
Not suitable for casual users unfamiliar with HVAC systems, as installation requires technical knowledge and expertise.
產品描述
有疑問？ 和我們聊天
客戶問題與解答
-
問題:
What is the primary function of the 73W19 Limit Control?
Answer: The 73W19 Limit Control serves as a temperature regulation device, specifically designed to prevent overheating in heating and cooling systems. It ensures that the device operates within a safe temperature range. By monitoring the temperature, it activates or deactivates the system to maintain optimal performance, thereby protecting the equipment from damage. For example, in a furnace, if the temperature exceeds 155°F, the limit control will turn off the heating element to prevent potential hazards. -
問題:
How do I install the 73W19 Limit Control?
Answer: To install the 73W19 Limit Control, start by turning off the power to the heating or cooling system. Locate the existing limit control, typically found near the heat exchanger or duct. Disconnect the wires from the old limit control and remove it. Install the new unit by connecting the wires according to the manufacturer's specifications and ensuring it is mounted securely. Finally, restore power to the system and test it to confirm that it is functioning correctly. Proper installation is crucial for safety and efficiency. -
問題:
Is the 73W19 Limit Control compatible with all heating systems?
Answer: The 73W19 Limit Control is designed for a variety of heating systems, including furnaces and boilers. However, compatibility may vary based on system designs and specifications. It is advisable to check the manufacturer's guidelines and any compatibility requirements. For instance, using a limit control that is not suited for your specific setup could lead to operational malfunctions. Always cross-reference the model number and technical requirements to ensure a proper match. -
問題:
What should I do if my 73W19 Limit Control keeps tripping?
Answer: If your 73W19 Limit Control keeps tripping, it suggests a potential issue within your heating system, such as excessive heat or a malfunctioning component. First, check for blockages in airflow, as restricted airflow can cause overheating. Next, examine other components like the thermostat and blower motor for any faults. If the problem persists, it may be necessary to consult a qualified technician who can conduct a thorough inspection and provide solutions to restore proper functionality. Ensuring your system operates efficiently is key to avoiding repeated issues. -
問題:
What temperature does the 73W19 Limit Control regulate?
Answer: The 73W19 Limit Control is set to regulate temperatures around 155°F. It is designed to activate or deactivate heating elements to maintain this optimal range. By monitoring the system's temperature, it prevents overheating, which is crucial for both safety and efficiency. For example, if the heating system reaches this threshold, the limit control will shut it down to prevent damage. This functionality is essential for maintaining the longevity and reliability of HVAC systems. -
問題:
Can I use the 73W19 Limit Control in cooling systems?
Answer: Yes, while the 73W19 Limit Control is primarily used in heating applications, it can also be utilized in certain cooling systems to prevent excessive temperature rising. It is vital to ensure that the control is compatible with your specific cooling unit requirements. This versatility allows you to leverage the same control for multiple system types, providing a consistent regulation approach. Before installation, check the specifications to confirm that it is suitable for the cooling system’s operational parameters. -
問題:
What is the lifespan of the 73W19 Limit Control?
Answer: The lifespan of the 73W19 Limit Control generally depends on several factors, including usage frequency, system maintenance, and overall conditions. Typically, limit controls can last several years in well-maintained systems. Regular inspections and timely maintenance can help prolong its lifespan, ensuring the device functions effectively. If your system is old or experiences frequent heating cycles, it's wise to monitor the limit control closely for any signs of wear or failure. -
問題:
Are there indicators that my 73W19 Limit Control needs replacement?
Answer: Yes, there are several indicators that your 73W19 Limit Control may need replacing. If you notice frequent system shutdowns, inconsistent heating, or if the system fails to engage at the set temperature, these could be signs of a failing limit control. Additionally, physical inspection might reveal signs of damage or corrosion. Addressing these symptoms promptly can prevent further system issues and ensure sustained efficiency. -
問題:
How often should I test my 73W19 Limit Control?
Answer: It is advisable to test your 73W19 Limit Control at least once a year, preferably before the heating season begins. Regular testing ensures that the control is functioning correctly and can provide accurate temperature regulation. This proactive approach helps identify any potential problems before they escalate, allowing for timely repairs. During the test, observe the system’s response to temperature changes and check for any irregular behavior, helping to maintain optimal performance. -
問題:
Where can I buy 73W19 - Limit Control (155F) in Taiwan?
Answer: You can buy the 73W19 - Limit Control (155F) from Ubuy in Taiwan. Ubuy offers a wide selection of electronic components, including limit controls, ensuring that you find the right product for your heating or cooling system needs. Their platform is user-friendly, making it easy to place an order and access additional product information. Ubuy not only provides competitive options but also delivers efficiency right to your fingertips.
Armstrong Limit Switches Editorial Review
73W19 - Limit Control (155F) is a reliable component compatible with HVAC control systems and thermostats, ensuring your heating system operates efficiently. Users highlight the fast shipping and brand authenticity, noting that it fits perfectly on Ducane 90% furnaces. While some wished for a visual reference in the product listing, the item itself has been praised for its manual operation and durability. The limit switch boasts a lower temperature rating of 155°F and features a plunger actuator type for precise control. Overall, it’s a solid choice for those in need of dependable replacement parts in their heating systems.
Customer Reviews & Ratings
13 客戶評價
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5 星
47%
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4 星
36%
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3 星
17%
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2 星
0%
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1 星
0%
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優點
- Compatible with HVAC control systems
- Fast shipping received from the seller
- Generally reliable and authentic Lennox part
- Manual operation ensures easy use
- Perfect for Ducane 90% furnaces
缺點
- No visual reference provided in the listing
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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TWD 2354
立即訂購並活動它 週六, 十月 03
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
庫存僅剩18件。
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
特色和優勢
- Activates at 155F for precise temperature control.
- Durable construction designed for harsh conditions.
- Easy installation with plug-in mount design.
- Compatible with 1-way circuits and X-10 protocol.
- Features normally closed contact for reliable operation.
- Ideal for both commercial and residential HVACR systems.
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