ET-ASF
Discontinued
Combination Boiler Trim-Out Packages
Series ET-ASF Combination Boiler Trim-Out Packages are for use on commercial and residential closed loop hydronic heating systems. It includes an ET expansion tank an AS air separator, and an FV4-M1 float vent valve. The package is provides an economical solution for buying boiler components.
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Select options below to identify the UPC, Order Code, and Repair Kit for a specific ET-ASF
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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. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |