Watts ETX-15-ASF 1 1/4 - Part of the ETX-ASF Series ZA100F-8NH No special tool required for

No special tool required for installation

moisture protection

and regular use in wet settings

shallow profile (2 ⁵⁄₈″ depth) when minimal depth is needed

This extension allows the valve to operate with up to 2 inches of insulation on hot and cold water lines

Watts ETX-15-ASF 1 1/4 - Part of the ETX-ASF Series ZA100F-8NH No special tool required forThis 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, and a 1 8 inch automatic air vent valve, model FV4 M1. This package provides an economical solution for buying boiler components. Features For closed loop hydronic heating systems 2. 1 gallon expansion tank AS air separator Float vent valve