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Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)
Purchase options and add-ons
- Will not Contaminate Systems
- Seals Flares and Threaded Connections
- Lubricates O-Rings and Gaskets
- Approved by OEM Manufacturers
Product details
- Is discontinued by manufacturer : No
- Product Dimensions : 2.54 x 2.54 x 1.27 cm; 22.68 g
- Date First Available : June 10 2015
- Manufacturer : Refrigeration Technologies
- Place of Business : Anaheim, CA 92806, USA
- ASIN : B008HOSQQQ
- Item model number : RT201B
- 鶹 Rank: #298 in Automotive (See Top 100 in Automotive)
- #1 in Gasket Sealers
- Customer Reviews:
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Product description
Refrigeration Technologies nylogâ" gasket thread sealant and assembly lube #rt201b. Product with good quality.
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Customer reviews
Customers say
Customers like the effectiveness, leak prevention, and ease of use of the product. They mention it works well for heat pump installs, seals connections well, and is easy to apply as needed. Customers also say it's compatible with manifold hoses and a necessity for mini-split installs.
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Customers are satisfied with the effectiveness of the product. They mention it works great for heat pump installs and is happy with its quality.
"Worked great !!" Read more
"Works great, used it on the o-rings and all the threaded fittings on my audi a/c system. No leaks, and was easy to apply." Read more
"Great product, used with flaring tool and heat pump connections. Also, used when connecting Manifold hoses." Read more
"Good product, works as you expect, except I had to put twice since after the first time it didn’t glued completely at the bottom but I think that..." Read more
Customers like the leak prevention of the product. They mention it seals connections well, isolates gas leaks, and works great for sealing threads for air conditioner valves. Some say it stays fluid and never dries.
"...No leaks, and was easy to apply." Read more
"Perfect this Is needed for all copper flaring applications to prevent leaks ! great product" Read more
"Works great for sealing flares on ac" Read more
"...And what do I know.... no leaks...." Read more
Customers like the ease of use of the product. They mention it's easy to apply as needed, a must-have for AC installs, and a necessity for mini-split installs.
"Came quickly when ordered. Easy to use. Didn't have any leaks. Just feel a little bit better to use this extra than having a vacuum leak...." Read more
"...No leaks, and was easy to apply." Read more
"Works really well simple to use does not get messy" Read more
"I got this for a mini-split installation. It's easy to apply accurately...." Read more
Customers like the compatibility of the product. They mention it's used when connecting manifold hoses, with a flaring tool, and heat pump connections. Some say it works as advertised and is used on a mini split ductless system.
"Works as advertised. Used on a mini split ductless system" Read more
"Great product, used with flaring tool and heat pump connections. Also, used when connecting Manifold hoses." Read more
Reviews with images

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Top reviews from Canada
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Reviewed in Canada on July 14, 2025Verified PurchaseTop qualité pour les filets de tuyaux de gaz pour empêcher les fuites.
- Reviewed in Canada on April 27, 2025Verified PurchasePerfect this Is needed for all copper flaring applications to prevent leaks ! great product
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Reviewed in Canada on June 19, 2025Verified PurchaseExcellent produit
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Reviewed in Canada on October 26, 2024Verified PurchaseImaginez une fuite sur un de vos joints vissés. Moi je ne voulais pas avoir de problème alors je n'ai pas pris de chance et j'ai appliqué ce produit sur chacun de des joints. S'applique facilement.
Évitez les problèmes de fuites, utilisez ce produit : )
- Reviewed in Canada on June 14, 2025Verified PurchaseSeems fine
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Reviewed in Canada on July 22, 2025Verified PurchaseProduit de qualité
- Reviewed in Canada on April 14, 2025Verified PurchaseWorks great for sealing flares on ac
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Reviewed in Canada on April 30, 2025Verified Purchaseparfait