---
product_id: 464070159
title: "Refrigeration Technologies RT201B Nylog Blue 2 Pack"
brand: "comblu"
price: "£25.63"
currency: GBP
in_stock: true
reviews_count: 8
category: "Comblu"
url: https://www.desertcart.co.uk/products/464070159-refrigeration-technologies-rt201b-nylog-blue-2-pack
store_origin: GB
region: United Kingdom
---

# Lubricates O-rings & gaskets Seals high-pressure leaks OEM-approved reliability Refrigeration Technologies RT201B Nylog Blue 2 Pack

**Brand:** comblu
**Price:** £25.63
**Availability:** ✅ In Stock

## Summary

> 🧊 Seal the deal with Nylog Blue – where leaks meet their match!

## Quick Answers

- **What is this?** Refrigeration Technologies RT201B Nylog Blue 2 Pack by comblu
- **How much does it cost?** £25.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/464070159-refrigeration-technologies-rt201b-nylog-blue-2-pack)

## Best For

- comblu enthusiasts

## Why This Product

- Trusted comblu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Assembly Lube:** Ideal for shaft seals, o-rings, valves, and threaded connections
- • **Leak-Proof Hydraulic Seal:** Blocks high-pressure leaks with precision sealing
- • **OEM Manufacturer Approved:** Trusted and certified for professional-grade use
- • **Long-Lasting Elastic Fluid:** Prevents gaskets from drying or heat-fixing, extending system life
- • **Synthetic Refrigeration Grade:** Compatible with all refrigerants and oils for seamless integration

## Overview

Nylog Blue RT201B is a synthetic refrigeration-grade lubricant and sealant designed to prevent leaks and protect system components. Fully compatible with all refrigerants and oils, it forms durable hydraulic seals on threaded connections and keeps gaskets and O-rings flexible and secure. OEM-approved and trusted by HVAC professionals, this 2-pack ensures reliable, long-lasting performance in refrigeration systems.

## Description

Nylog Blue is an elastic fluid made from synthetic refrigeration grade compressor oil. Nylog Blue is fully miscible and compatible with all system refrigerants and oils. Gaskets coated with Nylog will never dry or become heat fixed to the surface. Threaded connections coated with Nylog will block high pressure leaks by forming a hydraulic seal. Nylog can be used an assembly lube when installing shaft seals, o-rings, schraeder valves, ball valves, or other internal system components.

Review: Quality - As a HVAC tech it work well.
Review: Mini split - Amazing work never leak

## Features

- Will not Contaminate Systems
- Seals Flares and Threaded Connections
- Lubricates O-Rings and Gaskets
- Approved by OEM Manufacturers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B1JJ4RXP |
| Best Sellers Rank | #13,881 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Industrial Thread Sealants |
| Brand | COMBLU |
| Brand Name | COMBLU |
| Color | Blue |
| Compatible Material | Fluid |
| Customer Reviews | 4.8 out of 5 stars 194 Reviews |
| Included Components | 2 pack |
| Item Form | Liquid |
| Manufacturer | Refrigeration Technologies |
| Material | Synthetic Oil |
| Material Type | Synthetic Oil |
| Model | RT201BP |
| Number of Items | 2 |
| Part Number | RT201BP |
| Style | Compact |
| Style Name | Compact |
| UPC | 017857020181 |
| Unit Count | 2 Fluid Ounces |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** COMBLU
- **Item Form:** Liquid
- **Material:** Synthetic Oil
- **Style:** Compact
- **Water Resistance Level:** Not Water Resistant

## Images

![Refrigeration Technologies RT201B Nylog Blue 2 Pack - Image 1](https://m.media-amazon.com/images/I/71JQRWGuI1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality
*by R***. on April 16, 2026*

As a HVAC tech it work well.

### ⭐⭐⭐⭐⭐ Mini split
*by Y***I on December 12, 2025*

Amazing work never leak

### ⭐⭐⭐⭐⭐ Stuff is fantastic
*by A***D on December 20, 2023*

I use this on flair nuts and most other threaded fittings that is used for refrigerants. Somehow it stops the most stubborn leaks the first time. One tine I came across a flair nut that had been cross threaded and it was in a very tight place to get to and was not able to re flair the tubing. So I took it a part and gooped up the crossed threads and tightened the best I could And to this day it has not leaked a bit. If you haven't used this goop yet give it a try..... still can't believe how well it works

## Frequently Bought Together

- Refrigeration Technologies RT201B Nylog Blue 2 Pack
- Refrigeration Technologies RT175B Big Blu Brush On MicroLeak Detector Blue
- Appion MGAVCT 1/4" MegaFlow Vacuum-Rated Valve Core Removal Tool

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**Shop now:** [https://www.desertcart.co.uk/products/464070159-refrigeration-technologies-rt201b-nylog-blue-2-pack](https://www.desertcart.co.uk/products/464070159-refrigeration-technologies-rt201b-nylog-blue-2-pack)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-26*