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 | 139,298,388 |
| Germany | 72,613,448 |
| China | 35,965,860 |
| Netherlands | 33,213,348 |
| France | 22,893,749 |
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 | 70,494,320 | 68,804,068 | -1,690,252 |
| Germany | 38,413,172 | 34,200,276 | -4,212,896 |
| China | 17,520,604 | 18,445,256 | +924,652 |
| Netherlands | 14,571,720 | 18,641,628 | +4,069,908 |
| France | 12,714,688 | 10,179,061 | -2,535,627 |
| Italy | 11,982,734 | 10,868,180 | -1,114,554 |
| Poland | 7,286,422 | 5,670,377 | -1,616,045 |
| Turkey | 4,433,568 | 4,852,749 | +419,181 |
| Ireland | 2,192,755 | 1,712,086 | -480,669 |
| Czechia | 2,150,884 | 1,698,900 | -451,984 |
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 | 141,988,335 |
| Germany | 63,177,468 |
| China | 36,388,495 |
| Italy | 28,789,679 |
| Netherlands | 27,495,048 |
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 | 71,891,451 | 70,096,884 | -1,794,567 |
| Germany | 33,657,381 | 29,520,087 | -4,137,294 |
| China | 17,515,121 | 18,873,374 | +1,358,253 |
| Italy | 16,431,070 | 12,358,609 | -4,072,461 |
| Netherlands | 12,555,632 | 14,939,416 | +2,383,784 |
| France | 8,415,656 | 8,012,490 | -403,166 |
| Poland | 7,598,992 | 5,835,672 | -1,763,320 |
| Turkey | 4,524,067 | 5,123,891 | +599,824 |
| Czechia | 2,951,915 | 3,338,399 | +386,484 |
| Austria | 3,162,022 | 2,113,410 | -1,048,612 |
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 | 21 |
| Herefordshire, Worcestershire and Warwickshire | 16 |
| Northumberland, Durham and Tyne & Wear | 15 |
| Shropshire and Staffordshire | 13 |
| Greater Manchester | 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 | 16 | 13 | -3 |
| Herefordshire, Worcestershire and Warwickshire | 15 | 12 | -3 |
| Northumberland, Durham and Tyne & Wear | 10 | 11 | +1 |
| Shropshire and Staffordshire | 10 | 10 | +0 |
| Greater Manchester | 6 | 7 | +1 |
| Surrey, East and West Sussex | 10 | 4 | -6 |
| Bedfordshire and Hertfordshire | 8 | 8 | +0 |
| Inner London - West | 8 | 3 | -5 |
| Leicestershire, Rutland and Northamptonshire | 6 | 7 | +1 |
| West Midlands | 7 | 3 | -4 |
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) | 301,546,135 |
| Sea transport (not vehicle on ferry) | 47,158,143 |
| Air transport | 11,981,373 |
| Other | 3,851,504 |
| Road transport | 2,686,571 |
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) | 154,991,818 | 146,554,317 | -8,437,501 |
| Sea transport (not vehicle on ferry) | 23,202,683 | 23,955,460 | +752,777 |
| Air transport | 6,386,863 | 5,594,510 | -792,353 |
| Other | 2,009,687 | 1,841,817 | -167,870 |
| Road transport | 1,493,585 | 1,192,986 | -300,599 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 163,657,294 |
| Felixstowe | 73,969,002 |
| Immingham Docks | 43,939,625 |
| Dover / Eurotunnel | 25,784,514 |
| London | 6,917,645 |
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 | 83,099,630 | 80,557,664 | -2,541,966 |
| Felixstowe | 37,293,968 | 36,675,034 | -618,934 |
| Immingham Docks | 21,667,578 | 22,272,047 | +604,469 |
| Dover / Eurotunnel | 15,801,800 | 9,982,714 | -5,819,086 |
| London | 3,438,225 | 3,479,420 | +41,195 |
| Eurotunnel | 2,224,023 | 3,997,566 | +1,773,543 |
| Southampton | 3,171,644 | 2,055,488 | -1,116,156 |
| Thamesport | 2,592,658 | 2,245,499 | -347,159 |
| Portsmouth | 2,815,928 | 1,408,101 | -1,407,827 |
| 000 | 2,009,687 | 1,841,817 | -167,870 |
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 | 77 |
| Specialised construction activities | 32 |
| Manufacture of fabricated metal products, except machinery and equipment | 25 |
| Retail trade, except of motor vehicles and motorcycles | 22 |
| Manufacture of machinery and equipment n.e.c. | 17 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-04 | 69 |
| 2026-03 | 65 |
| 2026-02 | 66 |
| 2026-01 | 58 |
| 2025-12 | 74 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| BOSCH THERMOTECHNOLOGY LTD | 124 |
| INTATEC LIMITED | 111 |
| VAILLANT GROUP UK LIMITED | 92 |
| ALBION 4C LIMITED | 90 |
| NAVIEN UK LTD | 78 |
| IDEAL BOILERS LIMITED | 64 |
| HOVAL LIMITED | 64 |
| BAXI HEATING UK LIMITED | 59 |
| LOCHINVAR LIMITED | 58 |
| VAILLANT INDUSTRIAL UK LIMITED | 57 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 111 |
| 54m+ | 84 |
| 0-1m | 45 |
| 15m-54m | 20 |
| 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 | 42,639,386 |
| United States | 5,566,603 |
| Spain | 4,748,728 |
| Australia | 2,003,648 |
| Germany | 1,617,814 |
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 | 19,815,043 | 22,824,343 | +3,009,300 |
| United States | 2,146,937 | 3,419,666 | +1,272,729 |
| Spain | 2,350,697 | 2,398,031 | +47,334 |
| Australia | 1,404,603 | 599,045 | -805,558 |
| Germany | 1,006,327 | 611,487 | -394,840 |
| Netherlands | 955,623 | 215,777 | -739,846 |
| France | 592,326 | 526,501 | -65,825 |
| Turkey | 599,415 | 383,770 | -215,645 |
| Portugal | 382,266 | 403,982 | +21,716 |
| Slovakia | 115,063 | 292,572 | +177,509 |
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 | 376,242 |
| XI | 153,886 |
| Germany | 62,187 |
| Netherlands | 39,939 |
| Turkey | 29,965 |
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 | 335,953 | 40,289 | -295,664 |
| XI | 93,181 | 60,705 | -32,476 |
| Germany | 12,343 | 49,844 | +37,501 |
| Netherlands | 24,221 | 15,718 | -8,503 |
| Turkey | 16,437 | 13,528 | -2,909 |
| Ireland | 8,364 | 7,215 | -1,149 |
| Italy | 7,477 | 4,989 | -2,488 |
| Denmark | 4,215 | 2,276 | -1,939 |
| China | 2,578 | 601 | -1,977 |
| Czechia | 1,186 | 132 | -1,054 |
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) | 51,877,309 |
| Air transport | 5,974,800 |
| Sea transport (not vehicle on ferry) | 3,735,616 |
| Other | 1,836,912 |
| Road transport | 6,402 |
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) | 24,766,014 | 27,111,295 | +2,345,281 |
| Air transport | 2,669,414 | 3,305,386 | +635,972 |
| Sea transport (not vehicle on ferry) | 1,551,938 | 2,183,678 | +631,740 |
| Other | 1,147,179 | 689,733 | -457,446 |
| Road transport | 6,402 | 0 | -6,402 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Holyhead | 18,689,772 |
| Heysham | 14,115,236 |
| Dover / Eurotunnel | 10,117,090 |
| Liverpool Docks | 7,649,676 |
| East Midlands Airport | 3,923,914 |
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 | 7,842,346 | 10,847,426 | +3,005,080 |
| Heysham | 8,464,787 | 5,650,449 | -2,814,338 |
| Dover / Eurotunnel | 5,056,694 | 5,060,396 | +3,702 |
| Liverpool Docks | 2,189,811 | 5,459,865 | +3,270,054 |
| East Midlands Airport | 2,088,004 | 1,835,910 | -252,094 |
| 000 | 1,147,179 | 689,733 | -457,446 |
| Southampton | 967,033 | 595,957 | -371,076 |
| London Heathrow Airport | 78,241 | 1,300,282 | +1,222,041 |
| London Gateway Port | 300,650 | 1,044,256 | +743,606 |
| Immingham Docks | 882,045 | 175,328 | -706,717 |
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