1-1/2" black water valves

[steveinusa]

What are these type of valves called and any good places to get them?

 

[Whatfiero1]

Those are Marlon "Y" valves. West marine sells the white plastic jabsco brand. Check Defender.com

 

[kappykaplan]

They are marine y valves. Defender and Jamestown Distributors have 'em.

 

[Dave Groshong]

Y-valves in Marelon are Forespar brand, they now have an 1-1/8 one for bilge pumps:

Forespar Compact Y Valves

Forespar Compact Y Valves

shop.sailboatowners.com

Y - Valves & Connectors

Forespar® 'Y'-Valves and Connectors are molded from Marelon®. Offering an improved, stronger handle design, our valves are available in 1

www.forespar.com

Forespar Heavy Duty Marelon Y Valve with 1-1/8 in. Hose Barbs

Forespar Heavy Duty Marelon Y Valve with 1-1/8 in. Hose Barbs

shop.sailboatowners.com