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 | 131,074,307 |
| Germany | 71,560,064 |
| China | 37,087,364 |
| Netherlands | 30,758,404 |
| Italy | 22,712,937 |
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 | 68,903,731 | 62,170,576 | -6,733,155 |
| Germany | 38,396,309 | 33,163,755 | -5,232,554 |
| China | 22,041,558 | 15,045,806 | -6,995,752 |
| Netherlands | 16,237,755 | 14,520,649 | -1,717,106 |
| Italy | 12,687,439 | 10,025,498 | -2,661,941 |
| France | 10,232,766 | 11,933,370 | +1,700,604 |
| Poland | 6,231,080 | 6,703,177 | +472,097 |
| Turkey | 3,799,025 | 4,273,828 | +474,803 |
| Ireland | 1,831,907 | 1,947,249 | +115,342 |
| Czechia | 1,719,546 | 1,975,145 | +255,599 |
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 | 133,102,678 |
| Germany | 62,204,164 |
| China | 37,052,078 |
| Italy | 29,279,271 |
| Netherlands | 26,841,668 |
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 | 70,051,749 | 63,050,929 | -7,000,820 |
| Germany | 33,025,415 | 29,178,749 | -3,846,666 |
| China | 21,783,051 | 15,269,027 | -6,514,024 |
| Italy | 17,660,596 | 11,618,675 | -6,041,921 |
| Netherlands | 14,090,770 | 12,750,898 | -1,339,872 |
| France | 8,840,747 | 7,139,311 | -1,701,436 |
| Poland | 6,597,073 | 6,755,789 | +158,716 |
| Turkey | 3,665,711 | 4,862,937 | +1,197,226 |
| Czechia | 2,513,760 | 3,154,908 | +641,148 |
| Austria | 1,524,384 | 3,303,855 | +1,779,471 |
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 | 19 |
| Herefordshire, Worcestershire and Warwickshire | 16 |
| Northumberland, Durham and Tyne & Wear | 14 |
| Shropshire and Staffordshire | 14 |
| Surrey, East and West Sussex | 11 |
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 | 14 | 13 | -1 |
| Herefordshire, Worcestershire and Warwickshire | 14 | 13 | -1 |
| Northumberland, Durham and Tyne & Wear | 8 | 11 | +3 |
| Shropshire and Staffordshire | 10 | 10 | +0 |
| Surrey, East and West Sussex | 8 | 5 | -3 |
| West Midlands | 7 | 6 | -1 |
| Bedfordshire and Hertfordshire | 8 | 7 | -1 |
| Greater Manchester | 5 | 7 | +2 |
| Inner London - West | 8 | 3 | -5 |
| 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) | 289,235,342 |
| Sea transport (not vehicle on ferry) | 47,792,580 |
| Air transport | 11,092,067 |
| Other | 3,649,028 |
| Road transport | 2,707,141 |
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) | 152,875,476 | 136,359,866 | -16,515,610 |
| Sea transport (not vehicle on ferry) | 28,328,324 | 19,464,256 | -8,864,068 |
| Air transport | 5,567,643 | 5,524,424 | -43,219 |
| Other | 1,519,557 | 2,129,471 | +609,914 |
| Road transport | 750,957 | 1,956,184 | +1,205,227 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 155,010,342 |
| Felixstowe | 75,414,681 |
| Immingham Docks | 39,990,678 |
| Dover / Eurotunnel | 25,394,590 |
| London | 6,653,510 |
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 | 79,882,160 | 75,128,182 | -4,753,978 |
| Felixstowe | 43,393,040 | 32,021,641 | -11,371,399 |
| Immingham Docks | 19,835,308 | 20,155,370 | +320,062 |
| Dover / Eurotunnel | 15,781,385 | 9,613,205 | -6,168,180 |
| London | 3,710,355 | 2,943,155 | -767,200 |
| Southampton | 3,827,534 | 1,862,481 | -1,965,053 |
| Eurotunnel | 2,158,892 | 2,884,514 | +725,622 |
| Thamesport | 2,919,335 | 1,975,018 | -944,317 |
| Portsmouth | 2,631,161 | 2,020,304 | -610,857 |
| Harwich | 1,514,952 | 2,612,767 | +1,097,815 |
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 | 75 |
| Specialised construction activities | 31 |
| Manufacture of fabricated metal products, except machinery and equipment | 26 |
| 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 |
|---|---|
| 2025-11 | 76 |
| 2025-10 | 63 |
| 2025-09 | 61 |
| 2025-08 | 52 |
| 2025-07 | 67 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| BOSCH THERMOTECHNOLOGY LTD | 119 |
| INTATEC LIMITED | 108 |
| VAILLANT GROUP UK LIMITED | 91 |
| ALBION 4C LIMITED | 85 |
| NAVIEN UK LTD | 73 |
| IDEAL BOILERS LIMITED | 59 |
| HOVAL LIMITED | 59 |
| BAXI HEATING UK LIMITED | 54 |
| LOCHINVAR LIMITED | 53 |
| VAILLANT INDUSTRIAL UK LIMITED | 52 |
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+ | 81 |
| 0-1m | 43 |
| 15m-54m | 18 |
| Other | 11 |
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 | 41,290,650 |
| United States | 5,175,123 |
| Spain | 4,409,384 |
| Germany | 1,897,498 |
| 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 | 19,980,359 | 21,310,291 | +1,329,932 |
| United States | 1,758,735 | 3,416,388 | +1,657,653 |
| Spain | 2,386,061 | 2,023,323 | -362,738 |
| Germany | 1,125,181 | 772,317 | -352,864 |
| Australia | 489,491 | 1,027,745 | +538,254 |
| Netherlands | 1,012,440 | 198,275 | -814,165 |
| France | 638,749 | 485,742 | -153,007 |
| Turkey | 314,730 | 645,405 | +330,675 |
| Portugal | 337,707 | 422,613 | +84,906 |
| Czechia | 257,633 | 174,727 | -82,906 |
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 | £ |
|---|---|
| XU | 1,357,846 |
| Austria | 359,223 |
| XI | 174,203 |
| Netherlands | 42,921 |
| Germany | 37,458 |
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 £ |
|---|---|---|---|
| XU | 850,924 | 506,922 | -344,002 |
| Austria | 287,181 | 72,042 | -215,139 |
| XI | 97,698 | 76,505 | -21,193 |
| Netherlands | 26,014 | 16,907 | -9,107 |
| Germany | 22,638 | 14,820 | -7,818 |
| Turkey | 14,810 | 10,538 | -4,272 |
| Ireland | 9,185 | 8,717 | -468 |
| Italy | 6,927 | 5,939 | -988 |
| Denmark | 3,607 | 2,551 | -1,056 |
| China | 2,729 | 1,015 | -1,714 |
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) | 49,819,918 |
| Air transport | 5,706,505 |
| Sea transport (not vehicle on ferry) | 2,838,466 |
| Other | 2,040,464 |
| Road transport | 94,777 |
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) | 24,494,874 | 25,325,044 | +830,170 |
| Air transport | 2,444,813 | 3,261,692 | +816,879 |
| Sea transport (not vehicle on ferry) | 772,936 | 2,065,530 | +1,292,594 |
| Other | 1,324,409 | 716,055 | -608,354 |
| Road transport | 94,777 | 0 | -94,777 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Heysham | 14,992,606 |
| Holyhead | 14,613,842 |
| Dover / Eurotunnel | 9,637,779 |
| Liverpool Docks | 9,320,722 |
| East Midlands Airport | 3,473,388 |
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 £ |
|---|---|---|---|
| Heysham | 7,589,478 | 7,403,128 | -186,350 |
| Holyhead | 6,805,007 | 7,808,835 | +1,003,828 |
| Dover / Eurotunnel | 4,802,980 | 4,834,799 | +31,819 |
| Liverpool Docks | 4,167,863 | 5,152,859 | +984,996 |
| East Midlands Airport | 1,672,453 | 1,800,935 | +128,482 |
| 000 | 1,324,409 | 716,055 | -608,354 |
| Southampton | 267,875 | 1,273,887 | +1,006,012 |
| London Heathrow Airport | 149,827 | 1,329,871 | +1,180,044 |
| Immingham Docks | 895,055 | 173,628 | -721,427 |
| ZLC | 488,407 | 114,369 | -374,038 |
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