1-1/2" x 1/2" x 1-1/2" Black Iron Reducing Tee size_4" material: Black Malleable Iron connection:

material:   Black Malleable Iron connection:   Threaded Thread Type:   Female

One Threaded Thread Type:    Male Features:    Made in the USA    Lightweight and Strong    IAPMO approved    ANSI approved

1 Air Eliminators at the end of the short main or the main running to the warm side of the building

Install two or three No

2 Air Eliminator 3/8" or 3/4" vertical connection

1-1/2" x 1/2" x 1-1/2" Black Iron Reducing Tee size_4" material: Black Malleable Iron connection:material: Black Malleable Iron connection: Threaded Thread Type: Female Features: Meets or exceeds all applicable ASTM and ANSI standards 100% pressure tested before leaving the factory