what is the output line? 1/2 inch pex?

The bottom output is in 3/4 inch - the two top inputs are also in 3/4 inch - the line outputs are all in 1/2 inch. This product is made of PEX material, not metal. And main inlet and outlet adapters are not included. Please add #50141 manabloc adapters and/or V5036.10 manabloc end cap to complete installation.

Can one use a regular pex crimps?

Make sure you get the pex crimp version. This one has the pex tubing attach with Compression fittings that need a special wrench from Viega to be able to easily do them all.

does this include the supply adaptors for the 14 ports?

Those are the outlets and it has more than enough. Just make sure you order the manibloc that has what you want. Some are 1/2 in pex crimps, some are others. Make sure you read the ad to see which one. You will need 2 supply adaptors and a cap or three supply adaptors and no cap depending on how you're using it. Those are separate

can this manifold be installed in a crawl space?

I installed the one that I got in the crawl space under our cabin in an insulated box that we built for our hot water heater. During freezing temperatures when the water lines are not drained the manifold is kept warm by the residual heat given off by the water heater. if the manifold has water in it and the temps reach freezing, the manifold will probably break. Unlike pex plumbing, the manifold is not designed to freeze without breaking.

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Viega 50143-1/2-Inch PureFlow Zero Lead Poly Alloy PEX Crimp Manabloc With 14 Ports - 8 Cold 6 Hot

Product ID: 305603147

Details

Brand
Viega
Colour
Black
Item dimensions L x W x H
44.8 x 11.4 x
Material
Alloy Lead Pex
Size
14 Port 6 Hot

💧Zero lead poly alloy ensures pure, safe water

🔇Reduced flow noise for quiet operation

🔧14-port manifold for precise water control

Description

💧 Elevate your home's water game with PureFlow precision and purity!

PURE FLOW SAFETY - Zero lead poly alloy construction guarantees corrosion-free, contaminant-free water
ENERGY WATER SAVINGS - Homerun distribution manifold design reduces water waste and boosts energy efficiency
WHISPER QUIET PERFORMANCE - Engineered to minimize flow noise, enhancing your home's tranquility
PRECISION WATER MANAGEMENT - 14 ports (8 cold, 6 hot) for tailored home water distribution
DURABILITY MEETS INNOVATION - PolyAlloy port adapters resist chlorine and corrosion for long-lasting reliability

The Viega 50143 PureFlow Manabloc is a 14-port (8 cold, 6 hot) zero lead poly alloy PEX crimp manifold designed for superior water distribution. Featuring corrosion-resistant materials, reduced flow noise, and patented homerun design, it ensures safe, efficient, and quiet plumbing performance while promoting water and energy savings.

Specifications

ASIN	B008J33LJC
ASIN	B008J33LJC
Brand Name	Viega
Color	Black
Connector Type	Adapter
Date First Available	8 July 2013
Department	unisex-adult
Exterior Finish	Metal
Global Trade Identification Number	30691514501438
Is Discontinued By Manufacturer	No
Item Dimensions	44.8 x 11.4 x 22.9 centimeters
Item Weight	2.45 kg
Item model number	50143
Manufacturer	Viega PEX
Manufacturer	Viega PEX
Manufacturer Part Number	50143
Material Type	Alloy,Lead,Pex
Model Number	50143
Number of Pieces	1
Product Dimensions	44.78 x 11.43 x 22.86 cm; 2.45 kg
Size	14 Port, 6 Hot, 8 Cold
Thread Size	0.5 inch
Thread Type	NPT
UPC	691514501437 767654782866 733353624240
Unit Count	1.0 Count

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