Show or Hide

Support - Helpful Tools and Resources

957, 957N, 957Z Approvals

Reduced Pressure Zone Assemblies, Stainless Steel

USC Approvals Explanation Download

Size Model ASSE FM Lead Free† UL ULC USC
4
6
2-1/2
3
4
6
8
10
2-1/2
3
4
6
8
10
2-1/2
3
4
2-1/2
3
4
6
8
10
2-1/2
3
4
6
8
10
2-1/2
3
4
6
8
10
2-1/2
3
4
2-1/2
3
4
6
8
10
2-1/2
3
4
6
8
10
2-1/2
3
4
6
8
10
2-1/2
3
4

Suffixes:

OS&Y - Outside Stem & Yoke
NRS - Non-Rising Stem
BFG - UL/FM Gear Operated Groved Butterfly Valve
LF - Specifies Replacement Parts Only

Get Adobe Acrobat

Please Note: Watts literature requires Adobe Acrobat Reader to view.

Got Feedback?