---
product_id: 514708499
title: "Mastercool (66011) Blue DOT R134A Tank - 50 lb. Capacity"
brand: "mastercool"
price: "₪4559"
currency: ILS
in_stock: true
category: "Mastercool"
url: https://www.desertcart.co.il/products/514708499-mastercool-66011-blue-dot-r134a-tank-50-lb-capacity
store_origin: IL
region: Israel
---

# Float switch auto shut-off for safety Precision 1/2" Acme & 3/4" NPT fittings 50 lb capacity powerhouse Mastercool (66011) Blue DOT R134A Tank - 50 lb. Capacity

**Brand:** mastercool
**Price:** ₪4559
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your HVAC game with the ultimate R134A tank!

## Quick Answers

- **What is this?** Mastercool (66011) Blue DOT R134A Tank - 50 lb. Capacity by mastercool
- **How much does it cost?** ₪4559 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/514708499-mastercool-66011-blue-dot-r134a-tank-50-lb-capacity)

## Best For

- mastercool enthusiasts

## Why This Product

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

## Key Features

- • **DOT Certified & Reusable:** Meets strict DOT-4BA400Y standards, ensuring compliance and eco-conscious reuse.
- • **Dual Fitting Compatibility:** Seamlessly connects with 1/2" Acme and 3/4" NPT systems for versatile use.
- • **Durable Steel & Brass Build:** Engineered for longevity and rugged professional environments.
- • **Smart Float Switch Shut-Off:** Prevents overfill with automatic 80% fill detection—safety meets efficiency.
- • **Massive 50 lb R134A Capacity:** Bulk up your refrigerant storage with industry-standard volume.

## Overview

The Mastercool 66011 Blue DOT R134A Tank is a robust 50 lb refrigerant cylinder designed for professional HVAC technicians. Featuring dual 1/2" Acme and 3/4" NPT fittings, a smart float switch for automatic shut-off at 80% fill, and a durable steel/brass construction, it meets DOT-4BA400Y certification for safe, reusable refrigerant storage.

## Description

50 LB DOT R134A cylinder with float switch.

## Features

- DOT Tank for R134A
- 1/2" Acme fittings
- 3/4" NPT accepts 80percent fill float switch shut off
- Reusable conforms to DOT -4BA400
- Y valve for liquid or vapor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007QV3B2K |
| Brand | Mastercool |
| Customer Reviews | 5.0 5.0 out of 5 stars (6) |
| Date First Available | 17 Oct. 2012 |
| Exterior | Steel /brass |
| Item Weight | 13.9 kg |
| Item model number | 66011 |
| Lift type | Off |
| Manufacturer | Mastercool |
| Manufacturer part number | 66011 |
| Model | 66011 |

## Product Details

- **Brand:** Mastercool
- **Circuit type:** 1-way
- **Colour:** Blue
- **Connector type:** Y-valve
- **Contact type:** Normally Closed
- **International protection rating:** IP54
- **Material:** HP325 or HP345 Steel
- **Operation mode:** Off
- **Switch type:** Float Switch
- **Terminal:** Screw

## Images

![Mastercool (66011) Blue DOT R134A Tank - 50 lb. Capacity - Image 1](https://m.media-amazon.com/images/I/61C9doDdiwL.jpg)

## Frequently Bought Together

- Mastercool 66011 50 lb. Recovery Tank for R134a – Meets DOT and CAN/CSA Standards – Powder-Coated Steel, Includes Float Switch, No Refrigerant
- Robinair FLCK-1 Filter Conversion Kit for Promax Recovery and Recycling Units, 2 Piece Set
- 6015 R134A Brass Refrigerant Tank Adapter to R12 Fitting Adapter 1/2 Female to 1/4 Male Flare Adaptor Valve Core and 6014 Vacuum Pump 1/4 Inch Flare Female 1/2 Inch Male

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**Shop now:** [https://www.desertcart.co.il/products/514708499-mastercool-66011-blue-dot-r134a-tank-50-lb-capacity](https://www.desertcart.co.il/products/514708499-mastercool-66011-blue-dot-r134a-tank-50-lb-capacity)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-25*