---
product_id: 18527255
title: "50243 1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 24 Ports - 15 Cold 9 Hot"
brand: "viega"
price: "€ 474.43"
currency: EUR
in_stock: true
reviews_count: 6
category: "Viega"
url: https://www.desertcart.de/products/18527255-50243-1-2-inch-pureflow-zero-lead-poly-alloy-pex
store_origin: DE
region: Germany
---

# Zero lead poly alloy for pure, safe water Reduced flow noise for quiet operation 24 ports for precise water control 50243 1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 24 Ports - 15 Cold 9 Hot

**Brand:** viega
**Price:** € 474.43
**Availability:** ✅ In Stock

## Summary

> 🚿 Master your water flow with Viega’s silent, safe, and smart manifold!

## Quick Answers

- **What is this?** 50243 1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 24 Ports - 15 Cold 9 Hot by viega
- **How much does it cost?** € 474.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/18527255-50243-1-2-inch-pureflow-zero-lead-poly-alloy-pex)

## Best For

- viega enthusiasts

## Why This Product

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

## Key Features

- • **Whisper-Quiet Plumbing:** Engineered to minimize flow noise, keeping your home peaceful and serene.
- • **Flexible Installation Ready:** Compatible with PEX crimp fittings and adaptable for custom plumbing setups.
- • **PureFlow Zero Lead Assurance:** Crafted from lead-free poly alloy ensuring safe, non-corrosive water distribution.
- • **Energy & Water Savings Built-In:** Patented MANABLOC system reduces water waste and boosts energy efficiency.
- • **Total Control at Your Fingertips:** 24-port manifold lets you manage hot & cold water lines individually with ease.

## Overview

The Viega 50243 PureFlow Manabloc is a 24-port, 1/2-inch poly alloy PEX crimp manifold designed for professional-grade water distribution. Featuring zero lead construction, it ensures safe, corrosion-resistant plumbing with reduced flow noise. Its patented design supports energy savings and precise control over hot and cold water lines, making it an essential upgrade for modern, efficient home plumbing systems.

## Description

Product Description Viega PureFlow provides the industry's most comprehensive selection of PEX tubing, fittings and accessories. Along with a wide variety of PEX fittings, which include both PEX Press and PEX Crimp, Viega also offers the patented MANABLOC water distribution system which helps homeowners realize a reduction in water waste and increased energy savings. From the Manufacturer Viega PureFlow provides the industry's most comprehensive selection of PEX tubing, fittings and accessories. Along with a wide variety of PEX fittings, which include both PEX Press and PEX Crimp, Viega also offers the patented MANABLOC water distribution system which helps homeowners realize a reduction in water waste and increased energy savings.

Review: A breaker panel for the water supply and easy to install - I swa this unit installed about 5 years ago and I like the ability to turn on individual branches or supply lines to each individual device. Code here still requires a shut off at the end of each line near the fixture but that is not the main purpose of this manifold in my opinion. I built an addition to my house and it allowed me to get the plumbing to the new fixtures roughed in and then allows me to turn them on as I complete each section. There are a few things to be aware of and plan accordingly. The manifold is a bare manifold and only includes the selected port adapters. The supply adapters are not included and will need to be purchased separately. I also had a minor issue of a port that would seep a very minor amount of water on the order of a drop or 2 a day. I installed the Viega 36205 1/2" port cap on the unused ports as much to keep the port clean until needed. It would be nice to have these items included but as it stands it helps to keep cost lower and keep a bit of flexibility. Another minor issue and it may indeed be a non issue but the 1/2" PEX connections are crimp connections (F1807) as the 3/4 supply adapters I purchased. I contacted Viega and the tech folks there were very helpful, however they ony currently supply the PEX crimp (F1807) fittings. Viega does not currently provide adapters for PEX-A (F1960) expansion style fittings. No matter I crimp the PEX-A on the Viega adapter and use PEX-A expansion the rest of the way. Also in my spare parts inventory is a 51602 1/4 turn valve stem replacement kit and it includes a spare valve key. Overall the installation and of the unit went well and will make this a go to plumbing fixture.
Review: Easy to install - Well it took me 4 years after purchase to install my system but well worth it. Other projects kept jumping in the way but once I started it was a breeze. I have it set up with a three filter whole house system which I can bypass while changing the filters and then to the water softener which I can also bypass if needed. I also added a bypass to the swamp cooler and drain line so it can be drained for the winter time. Coming back to write this review I noticed it is now 100 dollars more than when I bought mine but I would buy it after having installed mine for a 100 more than it costs now, it is that good to use. Take your time to figure out your pex runs and you will be a happy you installed this item.

## Features

- Proven quality and non-corroding
- Reduced flow noise
- Excellent chlorine resistance
- PolyAlloy port adapters
- Homerun distribution manifold

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008J3TSH6 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #77,578 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,283 in Pipe Fittings |
| Color | Black, Blue, Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (688) |
| Date First Available | November 18, 2011 |
| Included Components | Main inlet and outlet adapters are not included. |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 7.39 pounds |
| Item model number | 50243 |
| Manufacturer | Viega PEX |
| Material | Alloy,Lead,Pex |
| Measurement System | inch |
| Number Of Pieces | 1 |
| Part Number | 50243 |
| Product Dimensions | 26 x 9 x 4.5 inches |
| Size | 1/2" - 24 |
| Warranty Description | Limited Warranty |

## Images

![50243 1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 24 Ports - 15 Cold 9 Hot - Image 1](https://m.media-amazon.com/images/I/81hM2OnD3UL.jpg)

## Questions & Answers

**Q: What is the inlet size?**
A: I bought 3/4 fittings for the bottom supply and top ports for the water heater, doesn't fit. Wonder if they changed the size of the ports since 2015?

**Q: Are the duel connections on one end of the manifold hot and cold inlets and the single connection on the bottom a valveless outlet?**
A: The top left is a hot inlet.  Then there is a cold inlet/outlet on the top and one on the bottom.  They do not have a valve as they are supply lines.  For my set up, the top left inlet is hot water return from the water heater.  The top right cold is used as an outlet to the water heater.  The bottom is used as a cold inlet from my water main.  All of them are 3/4" and you MUST purchase the Viega Manabloc brass supply inlets (Viega 46414 PureFlow Zero Lead Brass PEX Crimp Supply Adapter with 3/4-Inch by 1 Crimp x Manabloc Supply).  I tried several other brands to save some money and they did not fit properly.

**Q: what size are the intake ports**
A: The intake is a 1" port with proprietary threads that only work with Viega Fittings, also they make an adapter that can reduce the one inch port down to a 3/4" port.

**Q: Does this item come with accessories: 24 crimp connections, 3/4" npt supply adapter, supply end cap, 2 mounting straps, and the valve t-handle??**
A: Comes with the 24 crimp connections (crimp rings not included), Comes with the T handle, does not come with 3/4" npt supply adapter, does not come with supply end cap, does not come with mounting straps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ A breaker panel for the water supply and easy to install
*by R***H on December 30, 2019*

I swa this unit installed about 5 years ago and I like the ability to turn on individual branches or supply lines to each individual device. Code here still requires a shut off at the end of each line near the fixture but that is not the main purpose of this manifold in my opinion. I built an addition to my house and it allowed me to get the plumbing to the new fixtures roughed in and then allows me to turn them on as I complete each section. There are a few things to be aware of and plan accordingly. The manifold is a bare manifold and only includes the selected port adapters. The supply adapters are not included and will need to be purchased separately. I also had a minor issue of a port that would seep a very minor amount of water on the order of a drop or 2 a day. I installed the Viega 36205 1/2" port cap on the unused ports as much to keep the port clean until needed. It would be nice to have these items included but as it stands it helps to keep cost lower and keep a bit of flexibility. Another minor issue and it may indeed be a non issue but the 1/2" PEX connections are crimp connections (F1807) as the 3/4 supply adapters I purchased. I contacted Viega and the tech folks there were very helpful, however they ony currently supply the PEX crimp (F1807) fittings. Viega does not currently provide adapters for PEX-A (F1960) expansion style fittings. No matter I crimp the PEX-A on the Viega adapter and use PEX-A expansion the rest of the way. Also in my spare parts inventory is a 51602 1/4 turn valve stem replacement kit and it includes a spare valve key. Overall the installation and of the unit went well and will make this a go to plumbing fixture.

### ⭐⭐⭐⭐⭐ Easy to install
*by R***N on November 16, 2023*

Well it took me 4 years after purchase to install my system but well worth it. Other projects kept jumping in the way but once I started it was a breeze. I have it set up with a three filter whole house system which I can bypass while changing the filters and then to the water softener which I can also bypass if needed. I also added a bypass to the swamp cooler and drain line so it can be drained for the winter time. Coming back to write this review I noticed it is now 100 dollars more than when I bought mine but I would buy it after having installed mine for a 100 more than it costs now, it is that good to use. Take your time to figure out your pex runs and you will be a happy you installed this item.

### ⭐⭐⭐⭐⭐ Water manifold
*by R***. on May 28, 2025*

I have placed this in multiple home remodeling and new construction. Great product and easy to use and install.

## Frequently Bought Together

- Viega 50243 1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 24 Ports - 15 Cold 9 Hot
- Pronese 3 Pack Pure-Flow & Lead-Free Polly Alloy Brass Pex Crimp Supply Adapter, 3/4 Inch With 1 Copper Ring Crimp For Supply Line
- Viega ManaBloc V5036.10 Brass PEX Supply Cap, 1"

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-09*