Boiler Pressure Relief Valve
Safety pressure relief valve assembly for central heating boilers, releasing excess pressure to prevent explosions. Boiler-specific mounting and calibration. Under HTS 8403.90.00.00 as parts.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If safety valves for general pressure systems
Valves not dedicated to boilers are under general safety/relief valve provisions.
If for liquid pumps in heating systems
Pump-specific valves go under pump parts heading.
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Import Tips & Compliance
• Must meet ASME Boiler Code Section IV certification; test certificates required at entry; avoid generic valve classification under 8481
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