Of instantaneous or storage water heaters
Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof: > Parts: > Of instantaneous or storage water heaters
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8419.90.10.00
Stainless Steel Heat Exchanger Coil for Instantaneous Water Heaters
This coiled stainless steel tube assembly transfers heat from combustion gases to water in tankless instantaneous water heaters. It is a core component classified under HTS 8419.90.10.00 as a part specifically designed for non-electric instantaneous water heaters. The part enables rapid heating without storage, distinguishing it from domestic heater components.
Copper Water Inlet Manifold for Storage Water Heaters
Precision-machined copper manifold distributing cold inlet water evenly in non-electric storage tank water heaters. Falls under HTS 8419.90.10.00 as a dedicated part for storage water heaters maintaining temperature via insulated tanks. Corrosion-resistant design suits prolonged hot water retention.
Dip Tube for Cold Water Storage Heaters
Plastic or copper dip tube directing incoming cold water to tank bottom in storage water heaters. Under HTS 8419.90.10.00 as it promotes thermal layering for efficiency in non-electric units. Prevents mixing with hot water above.
Insulation Jacket Blanket for Storage Water Heater
Fiberglass blanket with foil facing designed to wrap storage water heater tanks reducing standby loss. Classifies in HTS 8419.90.10.00 as thermal part enhancing non-electric storage heater efficiency. Meets Energy Star thermal resistance specs.
Burner Assembly for Gas Instantaneous Water Heaters
A pre-assembled gas burner manifold with injectors and ignition components for non-electric tankless water heaters. Classified in HTS 8419.90.10.00 as it is integral to the combustion process in instantaneous water heaters. Enables on-demand hot water production through direct flame heating.
Flue Exhaust Pipe Assembly for Instantaneous Gas Heaters
Stainless steel concentric flue pipe set venting combustion exhaust while drawing intake air in tankless water heaters. HTS 8419.90.10.00 applies as essential safety part for non-electric instantaneous heaters. Design prevents carbon monoxide buildup during on-demand operation.
Anode Rod for Storage Water Heater Tanks
Magnesium sacrificial anode rod mounted inside storage water heater tanks to prevent corrosion. Classified under HTS 8419.90.10.00 as a critical longevity part for non-electric storage water heaters. Sacrifices itself to protect tank steel from galvanic degradation.
Temperature Sensor Probe for Instantaneous Water Heaters
Thermocouple probe monitoring outlet water temperature in gas instantaneous heaters for flame modulation. HTS 8419.90.10.00 covers this as a dedicated control part for non-electric water heaters. Ensures precise temperature without overheating.
Gas Valve Regulator for Tankless Water Heaters
Modulating gas control valve regulating fuel flow based on water demand in instantaneous heaters. HTS 8419.90.10.00 as specialized valve part for non-electric instantaneous water heaters. Maintains safe pressure during variable flow.
Flow Sensor Turbine for Instantaneous Heaters
Plastic turbine wheel with hall effect sensor detecting water flow to activate burner in tankless heaters. HTS 8419.90.10.00 as ignition trigger part for non-electric instantaneous water heaters. Minimum 0.5 GPM activation threshold.