
RS356 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $38.99 | Condition is New, Duro Dyne Rapit Regulators RS356 Box of 10 Sets HVAC Spring/Solid Bearing New , shipping cost = $8.50 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.99 | Condition is Open box, Duro Dyne Item 8233/RS356 Regulator Set Damper Quadrants, 1-RB50, 1-RB25T, RP1-3, shipping cost = $5.99 | 100.0% |

The Duro Dyne RS356 Rapid Regulator from Carrier is a reliable and efficient solution for regulating the temperature and pressure of HVAC systems. This regulator comes as a box containing ten units, making it an excellent choice for larger installations or multiple applications.
Each regulator in the box measures 3.25 inches in length, 1.75 inches in width, and 1.5 inches in height. They are designed with a solid bearing construction, ensuring smooth and precise operation with minimal wear and tear. The spring-loaded design allows for quick and easy adjustments to meet the specific temperature and pressure requirements of the system.
The RS356 regulators are designed to handle high voltage applications with ease. They can operate in environments with a voltage range of 24 to 240 volts and a current of up to 2 amps. The regulators also feature a robust housing made of durable materials, providing protection against harsh environments and ensuring a long service life.
The regulators are designed to operate in a wide temperature range, making them suitable for use in various HVAC applications. They can function effectively in temperatures ranging from -40 F to 257 F (-40 C to 125 C). The regulators also come with adjustable setpoints, allowing users to fine-tune the temperature and pressure settings to meet their specific requirements.
The RS356 regulators feature a convenient mounting design, allowing for easy installation and integration into HVAC systems. They can be mounted horizontally or vertically, and the adjustable mounting bracket provides flexibility for installation in tight spaces. The regulators also come with a clear cover that protects the adjusting screws from dust and debris, ensuring accurate settings and maintaining optimal performance.
Overall, the Duro Dyne RS356 Rapid Regulator is an excellent choice for HVAC professionals and system installers looking for a reliable, efficient, and versatile temperature and pressure regulator solution. With its solid bearing construction, wide operating temperature range, robust housing, and easy-to-use design, the RS356 regulators provide accurate temperature and pressure control, ensuring optimal performance and energy savings for HVAC systems.
Duro Dyne RS356 Rapid Regulators: A Comprehensive Analysis
The Duro Dyne RS356 Rapid Regulators are a popular choice for HVAC systems due to their reliability and quick response time. In this analysis, we will examine the key features, advantages, and disadvantages of these regulators to help you make an informed purchasing decision.
1. Features:- Spring/solid bearing design for precise pressure control
- Rapid response time for quick load changes
- Suitable for various refrigerants (R-22, R-134A, R-410A, and others)
- Adjustable pressure range (10-140 psi)
- Compact design for easy installation
2. Advantages:a. High-precision pressure control: The spring/solid bearing design ensures accurate pressure regulation, which is crucial for maintaining optimal HVAC system performance.
b. Quick response time: The RS356 regulators can quickly respond to load changes, which helps maintain consistent temperature levels and reduces energy consumption.
c. Versatility: These regulators are compatible with a wide range of refrigerants, making them a suitable choice for various HVAC applications.
3. Disadvantages:a. Limited pressure range: The adjustable pressure range of 10-140 psi may not be sufficient for some high-pressure HVAC systems.
b. Potential need for frequent adjustments: Depending on the specific HVAC application and operating conditions, these regulators might require more frequent adjustments compared to other types.
Conclusion:The Duro Dyne RS356 Rapid Regulators offer high-precision pressure control and quick response time, making them an excellent choice for applications that require consistent temperature levels and quick load changes. However, their limited pressure range may not be suitable for all HVAC systems, and frequent adjustments might be necessary depending on the specific application.
Recommendation:If your HVAC system requires high-pressure operation or infrequent adjustments, you might want to consider other types of pressure regulators with a wider pressure range or self-adjusting capabilities. However, if your system requires precise pressure control, quick response time, and is compatible with the RS356's pressure range, these regulators could be an excellent investment for your HVAC application.
Details:
It has a fully retractable bearing of zinc alloy, threaded to accept 5/16-18 wing nut and handle that indicates the damper position. Banana for scale. It is formed from rust-resistant, heavy gauge, galvanized steel and installs in seconds. Item #8233, each set includes 1 Rb-50 rapit spring bearing; Rb-25t threaded solid RP-3 washer; RP-1 handle; RP-2 wing nut.
Not included. The rapit will penetrate and secure to round or rectangular damper blades up 24 gauge steel. New in package box of 10 sets. The rapit is an inexpensive, rattle-free hammer on regulator for quick installation balance or splutter dampers.
specifications maxohvac:
- brand: Duro Dyne
- mpn: Rs356
- part type: Regulator Box Hvac
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
offer maxohvac:
- sold #: 13
- availability: in stock
- options: ship-to-home
- in stock #: 2
- best offers: true
- prices: $6.99–$38.99
- item condition:
- New
- Open box
- started: august 28, 2025
seller maxohvac:
- rating: 100.0%
- # reviews: 1023
- city: boise, idaho
payments maxohvac:
- wallet: google-pay
- credit card: mastercard
- other
returns maxohvac:
- method: money back
- paid by: seller
- policy: returns accepted
- time: 30 days
shipping maxohvac:
- service: usps ground advantage
- type: fixed
- carrier: usps
- transit: 6-10 days
- class: standard
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