Watts ETX-30-ASF 1 - Part of the ETX-ASF Series Nonwoven Fabric water flow and is even

water flow and is even effective at keeping dogs from digging out underneath a fence

fill pouch with aggregate to a level that will hold the inlet protector in place

It’s particularly suited for roof terraces

Bypass feature controls thermal expansion pressure

ZB150F-4NL-C

Watts ETX-30-ASF 1 - Part of the ETX-ASF Series Nonwoven Fabric water flow and is evenThis 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 30, 1 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 4. 5 gallon expansion tank AS air separator Float vent valve