Watts HPX-15D - Part of the HPX Series Inserta Tee The interior spring-loaded design is

The interior spring-loaded design is designed to make it function independently from the trap body

This 2 IN first check replacement kit

Spring Retainer

ZB415M-2NH-SB

it supports large-volume flow and dynamic traffic loads while integrating seamlessly into modular channel systems

Watts HPX-15D - Part of the HPX Series Inserta Tee The interior spring-loaded design isThis combination boiler trim out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX 15, 1 1 4 inch cast iron air separator, a bronze combination fill valve and backflow preventer, B911S, a boiler fill valve fitting RBFF, 1 8 in and 1 2 in service check valves, SCV, and a 1 8 inch automatic air vent valve, model FV4 M1. This package provides an economical solution