ETX-ASF

Combination Boiler Trim-Out Packages

  • For use on commercial and residential closed loop hydronic heating systems
  • An economic solution for buying boiler components
  • Includes ETX expansion tank
  • AS air separator and FV4-M1 float vent valve

Select options below to identify the UPC, Order Code, and Repair Kit for a specific ETX-ASF

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.