Is the separate 12v Switch included?

Yes, at least it was with mine.

Barkar manufacturing company 24140 1.5" auto-drain (i need full information about this part and what is this part job )

It is a 12v electronic waste valve for use on RV black and gray waste tank

Does this valve have a prvovision to operate manually like the Valterra EZ? Valterra don't make a 11/2 inch and don't have room for bushings.

Once installed, there's no option to operate manually without disconnecting the connection between the original handle and the Barker shaft

Does this install require any extra parts not shown?

yes my 1.5" needed 2 longer screws to attach the mounting plate size 10 -32 1.5" the 3' did not need any extras

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BARKER Manufacturing Company 24140 1.5" Auto-Drain

Product ID: 711847195

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Details

Brand
BARKER
Colour
Black
Material
Metal
Finish Type
Polished
Product Dimensions
26.1W x 14.6H

⚙️1.5" precision auto-drain size

🛠️Durable polished metal build

🇺🇸Proudly made in the USA

Description

⚙️ Drain smarter, not harder — upgrade your setup today!

BUILT TO LAST - Polished metal finish ensures corrosion resistance and longevity
MADE IN THE USA - Quality craftsmanship you can trust and show off
COMPACT EFFICIENT - Sleek 1.5" size fits seamlessly into modern setups
REMOVABLE CONVENIENCE - Easily detachable for quick cleaning and replacement
EFFORTLESS MAINTENANCE - Auto-drain design eliminates manual draining hassle

The BARKER Manufacturing Company 24140 1.5" Auto-Drain is a polished metal, removable auto accessory designed for efficient fluid drainage. Compact and durable, it measures 26.1 x 14.6 cm, weighs 1.8 lbs, and is proudly made in the USA, making it a reliable and stylish addition to any modern mechanical system.

Specifications

Brand	BARKER
Colour	Black
Material	Metal
Finish Type	Polished
Product Dimensions	26.1W x 14.6H Centimeters
Special Feature	Removable
Style	Modern
Number of Items	1
Manufacturer	BARKER
UPC	755220241404
Color	Black
Shipping Weight	0.96 Kilograms
Item Model Number	24140
Item Part Number	24140
Primary material	Metal
Weight	816 g

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