38QB900031 Comparison
| photo | price | summary | rating |
|---|---|---|---|
 | $12.95 | Condition is New – Open box, Carrier 38QB900031 Electronic Time Delay Relay, FREE SHIPPING | 99.7% |
 | $12.99 | Condition is New – Open box, p) Carrier Time Delay Board Kit 38QB900031, FREE SHIPPING | 99.9% |
 | $14.95 | Condition is New – Open box, Carrier 38QB900031 Electronic Time Delay Relay, FREE SHIPPING | 99.7% |
 | $10.00 | Condition is New – Open box, New Carrier 38QB900031 Electronic Time Delay, shipping cost = $11.95 |  |
 | $13.26 | Condition is New – Open box, Carrier 38qb900031 FNOB, shipping cost = $8.75 | 99.8% |
 | $25.00 | Condition is New – Open box, 38QB900031 CARRIER 38QB Time Delay Control Board VENTILLATION HVAC, FREE SHIPPING | 100.0% |
 | $19.22 | Condition is New – Open box, 38QB900031 Carrier Electronic Time Delay, shipping cost = $11.35 | 100.0% |
 | $30.58 | Top Pick! Condition is New – Open box, Carrier Electronic Time Delay Package 38QB900031, FREE SHIPPING | |
 | $39.95 | Condition is New – Open box, CARRIER 38QB900031 FURNACE ELECTRONIC TIME DELAY RELAY CONTROL BOARD, shipping cost = $22.45 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
 | $12.95 | Condition is New, Carrier 38QB900031 Electronic Time Delay Relay, FREE SHIPPING | 99.7% |
 | $12.75 | Condition is New, NIB. CARRIER ELECTRONIC TIME DELAY RELAY CAT# 38QB900031 ... ZI-44, shipping cost = $15.60 | 100.0% |
 | $22.80 | Condition is New, NEW IN BOX CARRIER 38QB900031 ELECTRONIC TIMER, shipping cost = $5.99 | 100.0% |
 | $24.95 | Condition is New, Carrier 38QB900031 Electronic Time Delay NEW IN BOX!, shipping cost = $5.75 | 100.0% |
 | $29.99 | Condition is New, Carrier 38QB900031 Electronic Time Delay Relay, shipping cost = $5.97 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
 | $21.25 | Condition is Used, 38QB900031 CARRIER 38QB Time Delay Control Board VENTILLATION HVAC, FREE SHIPPING | 100.0% |
 | $72.30 | Condition is Used, 38QB900031 CARRIER 38QB Time Delay Control Board VENTILLATION HVAC, shipping cost = $19.99 | 100.0% |
The Carrier 38QB900031 Delay Relay is a crucial component in various HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) systems that require delayed activation or deactivation of contactors or compressors. This delay relay, specifically designed in the CAT ZI-44 series, offers reliable performance to ensure optimal system operation.
This delay relay is constructed with high-quality materials that ensure durability and longevity. The device features a robust, compact design with dimensions of 3.2 inches (L) x 1.6 inches (W) x 2.5 inches (H) and a net weight of approximately 0.35 pounds. The size and weight make it an ideal choice for installation in confined spaces without compromising on performance.
The Carrier 38QB900031 Delay Relay operates on a 24V AC input voltage, making it compatible with various HVACR systems. It provides a delay time ranging from 0.1 to 20 seconds, allowing users to fine-tune the system to their specific requirements. The adjustable delay function ensures that contactors or compressors are activated or deactivated at the desired time, contributing to more efficient system operation and energy savings.
The relay contacts have a current capacity of 10 amps at 24V AC, ensuring they can handle the demands of most HVACR applications. The device also features a built-in thermal overload protection that safeguards the relay against overheating, ensuring a longer lifespan and improved system reliability.
The Carrier 38QB900031 Delay Relay is easy to install and integrate into existing HVACR systems. It comes with terminal screws and a mounting plate that simplifies the installation process. Additionally, it is UL listed, indicating that it has been tested and meets the safety and performance standards set by Underwriters Laboratories (UL).
In summary, the Carrier 38QB900031 Delay Relay is a versatile and robust component that offers reliable delayed activation or deactivation of contactors or compressors. Its compact size, adjustable delay time, and compatibility with 24V AC input voltage make it suitable for various HVACR applications. The device's built-in thermal overload protection and UL listing further ensure its durability and reliability.
The Carrier 38QB90031 Delay Relay (Cat ZN-44) is a component used in HVAC (Heating, Ventilation, and Air Conditioning) systems for controlling the sequencing of various functions. Here are some potential pros and cons that can help you make an informed decision about purchasing this relay:
Pros:1. Reliability: Carrier is a well-known brand in the HVAC industry, and this relay is designed to meet high-quality standards. It is built to last and can handle heavy usage, making it a reliable choice for commercial and industrial applications.
2. Flexibility: The Carrier 38QB90031 Delay Relay (Cat ZN-44) is versatile and can be used in various applications, including air conditioning, heating, and ventilation systems. It offers different delay settings, allowing users to customize the relay's function according to their specific requirements.
3. Easy Installation: This relay comes with clear instructions and is easy to install, saving time and effort during the installation process.
4. Safety: The relay is designed with safety features, such as overload protection, to ensure the safe operation of the HVAC system.
Cons:1. Cost: The Carrier 38QB90031 Delay Relay (Cat ZN-44) may be more expensive compared to some other relays in the market. However, its high-quality construction and reliability may justify the higher price.
2. Limited Compatibility: While the relay is versatile in terms of its applications, it may not be compatible with all HVAC systems. It is essential to check the specifications and compatibility before purchasing.
Conclusion:The Carrier 38QB90031 Delay Relay (Cat ZN-44) is a high-quality and reliable component that offers flexibility and safety features for various HVAC applications. However, it may come with a higher price tag compared to some other relays in the market. Ultimately, the decision to purchase this relay depends on the specific requirements of the HVAC system and the budget available. If reliability and flexibility are key priorities, the Carrier 38QB90031 Delay Relay (Cat ZN-44) may be an excellent investment.
Recommendation:If you are in the market for a high-quality and reliable delay relay for your HVAC system, the Carrier 38QB90031 Delay Relay (Cat ZN-44) is an excellent option to consider. Its versatility, ease of installation, and safety features make it a worthwhile investment, even with its higher price tag. However, it's essential to check the compatibility of the relay with your HVAC system before making a purchase.
Details:
Cat# 38QB900031. 120 vac, series c.
specifications centrafurn:
- brand: Carrier
- mpn: 38qb900031
returns centrafurn:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 30 days
offer centrafurn:
- prices: $10.00–$72.30
- item condition:
- New – Open box
- New
- Used
- sold #: 23
- started: april 1, 2025
- options: ship-to-home
- in stock #: 5
- availability: in stock
shipping centrafurn:
- transit: 3-7 days
- service: usps priority mail
- Carrier: usps
- type: calculated
- class: expedited
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
payments centrafurn:
- credit card: diners-club
- wallet: apple-pay
- other
seller centrafurn:
- rating: 100.0%
- # reviews: 2003 1
- city: norfolk, virginia