Watts ETX-30-ASF 1 1/2" Expansion Tank

The Watts ETX-30-ASF 1 is a 1/2" expansion tank with a 4.5 gallon capacity.

This 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

Common Questions

Is it rated for potable water?

No. This is a closed-loop hydronic tank and must not be used on potable water.

What size is the tank?

It holds 4.5 gallons.

What is it designed for?

It is intended for hydronic heating service.

Specifications

• Size: 1/2"
• Inlet Size: 1/2"
• Application: Hydronic Heating
• Country of Origin: Taiwan
• Warranty: 1 Year Limited
• MPN: ETX-30-ASF 1
• Lead-Free: No
• Component Role: Expansion Tank
• Tank Volume (gal): 4.5
• Potable Water Rated: No