Import/export HS code 840390: Parts for central heating boilers
Spare parts and components for central heating boilers
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| Slovakia | 130,263,459 |
| Germany | 70,055,745 |
| China | 36,623,525 |
| Netherlands | 31,100,911 |
| Italy | 22,463,762 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Slovakia | 66,942,395 | 63,321,064 | -3,621,331 |
| Germany | 37,410,584 | 32,645,161 | -4,765,423 |
| China | 23,220,681 | 13,402,844 | -9,817,837 |
| Netherlands | 15,635,716 | 15,465,195 | -170,521 |
| Italy | 12,515,142 | 9,948,620 | -2,566,522 |
| France | 10,243,335 | 11,843,745 | +1,600,410 |
| Poland | 6,526,945 | 6,270,486 | -256,459 |
| Turkey | 3,762,698 | 4,436,621 | +673,923 |
| Ireland | 1,873,472 | 1,850,902 | -22,570 |
| Czechia | 1,606,571 | 2,101,948 | +495,377 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| Slovakia | 132,426,485 |
| Germany | 61,009,881 |
| China | 36,588,729 |
| Italy | 28,744,890 |
| Netherlands | 26,615,048 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Slovakia | 68,171,418 | 64,255,067 | -3,916,351 |
| Germany | 32,150,781 | 28,859,100 | -3,291,681 |
| China | 22,963,361 | 13,625,368 | -9,337,993 |
| Italy | 17,320,702 | 11,424,188 | -5,896,514 |
| Netherlands | 13,567,528 | 13,047,520 | -520,008 |
| France | 8,825,024 | 7,104,684 | -1,720,340 |
| Poland | 6,874,377 | 6,348,670 | -525,707 |
| Turkey | 3,647,102 | 5,004,114 | +1,357,012 |
| Czechia | 2,452,544 | 3,258,816 | +806,272 |
| Austria | 1,423,139 | 3,474,695 | +2,051,556 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Hampshire and Isle of Wight | 20 |
| Herefordshire, Worcestershire and Warwickshire | 16 |
| Northumberland, Durham and Tyne & Wear | 15 |
| Shropshire and Staffordshire | 14 |
| Surrey, East and West Sussex | 10 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| Hampshire and Isle of Wight | 15 | 14 | -1 |
| Herefordshire, Worcestershire and Warwickshire | 15 | 12 | -3 |
| Northumberland, Durham and Tyne & Wear | 9 | 11 | +2 |
| Shropshire and Staffordshire | 9 | 10 | +1 |
| Surrey, East and West Sussex | 7 | 5 | -2 |
| Bedfordshire and Hertfordshire | 8 | 7 | -1 |
| Greater Manchester | 5 | 6 | +1 |
| Inner London - West | 8 | 2 | -6 |
| West Midlands | 6 | 5 | -1 |
| Leicestershire, Rutland and Northamptonshire | 7 | 6 | -1 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 286,899,496 |
| Sea transport (not vehicle on ferry) | 46,821,970 |
| Air transport | 11,172,336 |
| Other | 3,567,798 |
| Road transport | 2,682,058 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 149,624,086 | 137,275,410 | -12,348,676 |
| Sea transport (not vehicle on ferry) | 28,786,786 | 18,035,184 | -10,751,602 |
| Air transport | 5,605,935 | 5,566,401 | -39,534 |
| Other | 1,543,397 | 2,024,401 | +481,004 |
| Road transport | 674,395 | 2,007,663 | +1,333,268 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 153,858,995 |
| Felixstowe | 74,458,843 |
| Immingham Docks | 39,719,474 |
| Dover / Eurotunnel | 25,033,861 |
| London | 6,663,116 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Dover | 77,777,367 | 76,081,628 | -1,695,739 |
| Felixstowe | 42,325,696 | 32,133,147 | -10,192,549 |
| Immingham Docks | 20,406,796 | 19,312,678 | -1,094,118 |
| Dover / Eurotunnel | 15,859,076 | 9,174,785 | -6,684,291 |
| London | 3,608,084 | 3,055,032 | -553,052 |
| Southampton | 3,774,307 | 1,782,050 | -1,992,257 |
| Eurotunnel | 2,165,510 | 3,040,163 | +874,653 |
| Thamesport | 2,685,767 | 1,990,885 | -694,882 |
| Portsmouth | 2,686,448 | 1,714,839 | -971,609 |
| Harwich | 1,696,828 | 2,416,745 | +719,917 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
| Wholesale trade, except of motor vehicles and motorcycles | 73 |
| Specialised construction activities | 31 |
| Manufacture of fabricated metal products, except machinery and equipment | 25 |
| Retail trade, except of motor vehicles and motorcycles | 20 |
| Manufacture of machinery and equipment n.e.c. | 14 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-01 | 58 |
| 2025-11 | 76 |
| 2025-10 | 63 |
| 2025-09 | 61 |
| 2025-08 | 52 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| BOSCH THERMOTECHNOLOGY LTD | 120 |
| INTATEC LIMITED | 109 |
| VAILLANT GROUP UK LIMITED | 91 |
| ALBION 4C LIMITED | 86 |
| NAVIEN UK LTD | 74 |
| IDEAL BOILERS LIMITED | 60 |
| HOVAL LIMITED | 60 |
| BAXI HEATING UK LIMITED | 55 |
| LOCHINVAR LIMITED | 54 |
| VAILLANT INDUSTRIAL UK LIMITED | 53 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 105 |
| 54m+ | 79 |
| 0-1m | 43 |
| 15m-54m | 17 |
| Other | 10 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| Ireland | 43,034,184 |
| United States | 5,256,557 |
| Spain | 4,597,083 |
| Germany | 1,621,683 |
| Australia | 1,517,236 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Ireland | 20,983,737 | 22,050,447 | +1,066,710 |
| United States | 1,867,655 | 3,388,902 | +1,521,247 |
| Spain | 2,486,662 | 2,110,421 | -376,241 |
| Germany | 837,714 | 783,969 | -53,745 |
| Australia | 621,994 | 895,242 | +273,248 |
| Netherlands | 987,616 | 198,556 | -789,060 |
| France | 617,977 | 503,452 | -114,525 |
| Turkey | 281,226 | 648,430 | +367,204 |
| Portugal | 355,613 | 431,009 | +75,396 |
| Czechia | 262,157 | 169,806 | -92,351 |
Exports by country of origin
What this shows: Export volume by production origin country. For re-exports, indicates where goods originated before UK export.
Top 5 values
| Origin | £ |
|---|---|
| Austria | 364,489 |
| XI | 156,245 |
| Netherlands | 40,844 |
| Germany | 30,850 |
| Turkey | 24,046 |
Export origin countries rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Austria | 287,181 | 77,308 | -209,873 |
| XI | 87,391 | 68,854 | -18,537 |
| Netherlands | 24,344 | 16,500 | -7,844 |
| Germany | 12,668 | 18,182 | +5,514 |
| Turkey | 13,924 | 10,122 | -3,802 |
| Ireland | 9,197 | 7,773 | -1,424 |
| Italy | 7,726 | 4,872 | -2,854 |
| Denmark | 4,337 | 2,090 | -2,247 |
| China | 2,965 | 563 | -2,402 |
| Czechia | 1,635 | 132 | -1,503 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 51,599,913 |
| Air transport | 5,775,303 |
| Sea transport (not vehicle on ferry) | 2,819,245 |
| Other | 1,969,363 |
| Road transport | 46,093 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 25,347,072 | 26,252,841 | +905,769 |
| Air transport | 2,513,084 | 3,262,219 | +749,135 |
| Sea transport (not vehicle on ferry) | 901,536 | 1,917,709 | +1,016,173 |
| Other | 1,275,982 | 693,381 | -582,601 |
| Road transport | 46,093 | 0 | -46,093 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Holyhead | 16,645,596 |
| Heysham | 15,885,481 |
| Dover / Eurotunnel | 9,567,880 |
| Liverpool Docks | 8,222,712 |
| East Midlands Airport | 3,595,061 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Holyhead | 7,294,772 | 9,350,824 | +2,056,052 |
| Heysham | 8,884,161 | 7,001,320 | -1,882,841 |
| Dover / Eurotunnel | 4,569,549 | 4,998,331 | +428,782 |
| Liverpool Docks | 3,385,946 | 4,836,766 | +1,450,820 |
| East Midlands Airport | 1,812,085 | 1,782,976 | -29,109 |
| 000 | 1,275,982 | 693,381 | -582,601 |
| Southampton | 413,453 | 1,126,066 | +712,613 |
| London Heathrow Airport | 144,530 | 1,334,388 | +1,189,858 |
| Immingham Docks | 896,529 | 168,154 | -728,375 |
| ZLC | 439,103 | 126,444 | -312,659 |
Related HS codes
What this shows: Sibling or child HS codes in the same classification branch.
Quick facts
HS code: 840390
Coverage: United Kingdom, most metrics for the last 24 months
Description: Spare parts and components for central heating boilers