EnviroSafe Proseal for R-1234YF Systems, 3 oz can and universal charging gauge
Proseal for R-1234YF Systems, R1234yf Refrigerant Systems, R1234, 1 Can and Universal Charging Gauge
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EnviroSafe

Proseal for R-1234YF Systems, R1234yf Refrigerant Systems, R1234, 1 Can and Universal Charging Gauge

131 ratings

Key item features

  • Hard Seal Formation: Forms a hard seal on metal, schrader valves, o'rings, gaskets, a/c condensers, evaporators, line sets, and solder joints.
  • Leak Repair: Enviro-Safe Proseal for R1234YF repairs minor leaks in mobile 1234YF a/c systems.
  • Specific Application: Only for R1234YF applications; not suitable for ammonia, CO2, or R410a systems.
  • Made in USA: Proudly manufactured in the USA by a family-owned business with over 27 years of experience.
  • Usage Instructions: For best results, use Enviro-Safe Prodry for R1234YF before applying Proseal to remove moisture from the system.
  • Installation: Installs the same way as refrigerant and cannot be added to a fully charged system.
  • Universal Fit: Comes with a brass hose with a universal fit for R1234yf systems.
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Specs

Vehicle model, R-1234YFVehicle fitment type, UniversalSize, 3 oz (85.05 grams)Weight, 4 ozFeatures, UniversalAutomotive parts division, Direct Replacement

About this item

Product details

4oz can of Proseal for R1234yf systems. Forms a hard seal on metal, schrader valves, o'rings, gaskets, a/c condensers, evaporators, line sets and solder joints Enviro-Safe Proseal for R1234YF repairs minor leaks in mobile 1234YF a/c systems. Only for R1234YF applications Even though Proseal for R1234YF can form a seal on the schrader valve, when you hook up to it the seal will release and allow you to use the schrader if necessary. If there is still Proseal for R1234YF in the system it will reseal the schrader. For best results, use Enviro-Safe Prodry for R1234YF BEFORE using the Enviro-Safe Proseal to remove any moisture in your system. Moisture is corrosive and no one wants that in their system! 1 can of 4oz Enviro-Safe R1234YF ProSeal 3 oz will treat 1 vehicle. DO NOT use in ammonia systems DO NOT use in CO2 systems DO NOT use in R410a systems- Pressure is too high and will explode the can Gas propelled Installs the same way as refrigerant Cannot be added to a fully charged system. This comes with a brass hose with a universal fit on R1234yf systems.
  • Forms a hard seal on metal, schrader valves, o'rings, gaskets, a/c condensers, evaporators, line sets and solder joints
  • Enviro-Safe Proseal for R1234YF repairs minor leaks in mobile 1234YF a/c systems.
  • Only for R1234YF applications
  • Made in the USA
  • Family owned business for over 27 years!
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Specifications

Vehicle model

R-1234YF

Vehicle fitment type

Universal

Size

3 oz (85.05 grams)

Weight

4 oz

Warranty

Warranty information

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Customer ratings & reviews

3.8 out of 5 stars
stars
131 ratings58 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars58% (76)
  2. 4 stars9% (12)
  3. 3 stars7% (9)
  4. 2 stars5% (6)
  5. 1 star21% (28)

Reviews summary

Pros

  • : The hose with gauge works correctly after setup.

Neutral

  • : Offers competitive value, but can feel overpriced to some.

Cons

  • : The canister fittings do not connect or seal properly.
  • : The kit lacks setup directions and offers brief steps.
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Showing 1-3 of 58 reviews

Aug 27, 2026
Reviewer name: lakeisha
Sold and shipped byCME Business Solutions Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The truth

I should have bought more than one. One isn't enough so if you're thinking of buying, get two at least.

Helpful?32AM13STKNHH465377370
Sep 9, 2026
Reviewer name: Frank
Sold and shipped byCME Business Solutions Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Was easy to use and now I have a hose with a gauge. Excellent deal. AC works great now.

Helpful?32AM13STKNHH465377370
Aug 2, 2026
Reviewer name: anonymous
Walmart Associate
Sold and shipped byCME Business Solutions Inc.
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

The can did not feel like it had enough. The needle on the gage did not go to half way. My neighbor tried to buy a can else where but the nozzle did not fit the can.

Helpful?32AM13STKNHH465377370
Current price is $36.62
Price when purchased online
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Sold and shipped by CME Business Solutions Inc.Pro Seller
4.282258064516129 out of 5 stars
4.3 stars out of 5, based on 372 seller reviews(4.3)
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