---
product_id: 43462684
title: "Big Blu Subzero Micro Leak Detector 1Qt"
brand: "refrigeration technologies"
price: "€ 57.52"
currency: EUR
in_stock: true
reviews_count: 4
category: "Refrigeration Technologies"
url: https://www.desertcart.pt/products/43462684-big-blu-subzero-micro-leak-detector-1qt
store_origin: PT
region: Portugal
---

# NSF certified for food-safe environments Operates down to -30°F Detects leaks as small as 0.79 oz/year Big Blu Subzero Micro Leak Detector 1Qt

**Brand:** refrigeration technologies
**Price:** € 57.52
**Availability:** ✅ In Stock

## Summary

> ❄️ Detect leaks before they freeze your workflow!

## Quick Answers

- **What is this?** Big Blu Subzero Micro Leak Detector 1Qt by refrigeration technologies
- **How much does it cost?** € 57.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/43462684-big-blu-subzero-micro-leak-detector-1qt)

## Best For

- refrigeration technologies enthusiasts

## Why This Product

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

## Key Features

- • **Micro Leak Mastery:** Pinpoints leaks as tiny as 0.79 oz/year for ultimate precision
- • **Food-Safe Certified:** NSF approval ensures safe use around food processing areas
- • **Built for Professionals:** Trusted by HVAC, aerospace, plumbing, and telecom experts
- • **Freeze-Defying Performance:** Reliable leak detection even in extreme cold down to -30°F
- • **Universal Gas Compatibility:** Works seamlessly with all gases across multiple industries

## Overview

The Big Blu Subzero Micro Leak Detector 1Qt is a rugged, NSF-certified spray designed to detect micro leaks as small as 0.79 oz/year across all gases. Engineered to perform flawlessly in extreme cold down to -30°F, it’s the go-to solution for HVAC, plumbing, aerospace, and food-safe environments.

## Description

Big Blu SubZero is the most durable product of its kind for leak detecting under extreme cold conditions. The temperature rating is down to -30°F. Bubbles will keep forming where other low temp products give out, freeze or become gelatinous.

## Features

- Suitable for use with all gases to detect leaks on any pressurized system
- Commonly used in HVAC, plumbing, telecom, aerospace, gas utilities, service industries and MVAC
- Freeze Resistant
- NSF certified for use around food
- Detects Micro Leaks down to 0.79 oz/year

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008HQ6N7S |
| Alarm | Audible |
| Best Sellers Rank | #163,217 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #101 in Gas Detectors & Alarms |
| Brand | Refrigeration Technologies |
| Built-In Media | Spray Bottle |
| Color | Blue |
| Customer Reviews | 4.6 out of 5 stars 64 Reviews |
| Manufacturer | Refrigeration Technologies |
| Mfr Part Number | RT150S |
| Model Number | RT150S |
| Number of Items | 1 |
| Power Source | Gas Powered |
| Product Style | simple |
| Style | simple |
| UPC | 017857150321 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Refrigeration Technologies
- **Style:** simple
- **Power Source:** Gas Powered
- **Color:** Blue
- **Alarm:** Audible
- **Number of Items:** 1
- **Manufacturer:** Refrigeration Technologies
- **UPC:** 017857150321

## Images

![Big Blu Subzero Micro Leak Detector 1Qt - Image 1](https://m.media-amazon.com/images/I/51RssomRbrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on December 3, 2025*



### ⭐⭐⭐⭐⭐ Review
*by J***N on July 25, 2024*



### ⭐⭐⭐⭐ Review
*by A***Y on August 2, 2024*



## Frequently Bought Together

- Big Blu Subzero Micro Leak Detector 1Qt
- Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)
- Refrigeration Technologies RT175B Big Blu Brush On MicroLeak Detector Blue

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**Shop now:** [https://www.desertcart.pt/products/43462684-big-blu-subzero-micro-leak-detector-1qt](https://www.desertcart.pt/products/43462684-big-blu-subzero-micro-leak-detector-1qt)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-05-16*