---
product_id: 290902757
title: "Robinair 40420 Access Fitting Solder Union Type, 3 Pack (1/4\" MFL x 3/8\" O.D. Copper Tube Extension)"
brand: "robinair"
price: "FREE"
currency: RON
in_stock: false
url: https://www.desertcart.ro/products/290902757-robinair-40420-access-fitting-solder-union-type-3-pack-1
store_origin: RO
region: Romania
---

# 1/4" MFL x 3/8" O.D. Pack of 3 Solder union type Robinair 40420 Access Fitting Solder Union Type, 3 Pack (1/4" MFL x 3/8" O.D. Copper Tube Extension)

**Brand:** robinair
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** Robinair 40420 Access Fitting Solder Union Type, 3 Pack (1/4" MFL x 3/8" O.D. Copper Tube Extension) by robinair
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/290902757-robinair-40420-access-fitting-solder-union-type-3-pack-1)

## Best For

- robinair enthusiasts

## Why This Product

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

## Key Features

- • **Compact Dimensions:** Perfectly sized at 8 x 4.57 x 1.52 cm for storage.
- • **Lightweight Design:** Weighs only 0.08 grams for easy handling.
- • **Precision Engineering:** Crafted for seamless connections in HVAC systems.
- • **Essential Tool Included:** Comes with the Robinair 40535 Valve Core Remover for added convenience.
- • **Versatile Compatibility:** Fits a variety of copper tube extensions effortlessly.

## Overview

The Robinair 40420 Access Fitting Solder Union Type is a must-have for HVAC professionals, featuring a 1/4" MFL x 3/8" O.D. copper tube extension. This pack of three fittings ensures you have the right tools at your fingertips, complete with a valve core remover for hassle-free installations. Lightweight and compact, it's designed for efficiency and ease of use.

## Description

The Robinair 40420 is a solder union type access fitting. 1/4" MFL x 3/8" O.D. copper tube extension. Comes with the Robinair 40535 Valve Core Remover. Package of 3.

## Features

- Solder union type access fitting
- 1/4" MFL x 3/8" O.D. copper tube extension
- Comes with the Robinair 40535 Valve Core Remover
- Package of 3

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Robinair |
| Brand | Robinair |
| Model | 40420 |
| Product Dimensions | 8 x 4.57 x 1.52 cm; 0.08 Grams |
| Item model number | 40420 |
| Manufacturer part number | 40420 |
| Item Weight | 0.08 g |

## Images

![Robinair 40420 Access Fitting Solder Union Type, 3 Pack (1/4" MFL x 3/8" O.D. Copper Tube Extension) - Image 1](https://m.media-amazon.com/images/I/31A51BAEo-L.jpg)

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**Shop now:** [https://www.desertcart.ro/products/290902757-robinair-40420-access-fitting-solder-union-type-3-pack-1](https://www.desertcart.ro/products/290902757-robinair-40420-access-fitting-solder-union-type-3-pack-1)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-20*