Features & Benefits
- Quiets noisy compressors
- Reduces energy consumption
- Frees sticking thermostatic expansion valves
- Great for new and old systems
- For professional use only
- Single unit services up to 5 ton system capacity
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Item #:
72220706
Nu-Calgon 4057-56 4 fl. oz. Vessel AC Re-New Connect Inject
Item #:
72220706
0 ratings
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Imported from USA store
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The Nu-Calgon 4057-56 A/C Re-New Connect Inject reduces energy consumption and frees sticking valves in air conditioning systems.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
AC Revitalization
Transforms aging air conditioning systems by rejuvenating components, ensuring optimal cooling efficiency and enhancing overall performance for extended lifespan.
Easy Injection
Designed with a user-friendly connect inject mechanism, allowing for quick and hassle-free application directly into the A/C system with minimal tools required.
Compact Size
The 4 fl. oz. volume is perfect for residential use, enabling users to conveniently perform maintenance without excessive bulk or waste, making it ideal for DIY enthusiasts.
Product Details
- Quick and easy one-time disposable injector
- Pre-charged with 4 fluid ounces of A/C Re-New treatment
- Quiets noisy compressors and reduces energy consumption
- Frees sticking thermostatic expansion valves and reversing valves
- Aids in oil return with existing oil in R-22 retrofits
- For professional use in air conditioning and refrigeration systems
| Product Dimensions (L x W x H) | 2.5 x 2.5 x 7.5 inches (6.4 x 6.4 x 19.1 cm) |
| Item Weight | 14.4 ounces (408.24 grams) |
| Manufacturer | Nu-Calgon |
| Country of Origin | USA |
| Item model number | 4057-56 |
Who Should Buy?
-
Homeowners
Ideal for homeowners looking to enhance their air conditioning system’s efficiency and extend its lifespan with easy application.
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HVAC Technicians
A valuable product for HVAC professionals seeking effective tools to repair and maintain A/C systems for clients.
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A/C System Users
Suitable for users experiencing reduced cooling efficiency, helping to restore optimal performance quickly and effectively.
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New A/C Units
Not advisable for new air conditioning units, as they usually do not require revitalization or treatment products.
Product Description
Nu-Calgon 4057-56 4 fl. oz. Vessel AC Re-New Connect Inject
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is it necessary to use the reusable Connect Injector Tool?
Answer: No, the use of the reusable Connect Injector Tool is not required but is recommended -
Question:
Is PPE (personal protective equipment) required during application?
Answer: Yes, it is recommended to use appropriate PPE during application -
Question:
What type of air conditioning systems is Nu-Calgon A/C Re-New Connect Inject suitable for?
Answer: Nu-Calgon A/C Re-New Connect Inject is suitable for both new and old air conditioning systems.
NU-Calgon Tools & Equipment 4057-56 Editorial Review
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Pros
- Excellent performance
- User-friendly design
- Great durability
- Attractive appearance
- Good customer support
Cons
- Slightly heavy for portability
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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