HP-D
Discontinued
Boiler Trim-Out Packages with Flow Check
Series HPP Boiler Trim-Out Packages with Flow Check are for use on commercial and residential closed loop hydronic heating systems. Packages include an air separator, a 1/8 in. and 1/2 in. service check valve, combination fill valve and backflow preventers, flow check and ET series expansion tank.
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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 |