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 | 123,231,112 |
| Germany | 66,196,950 |
| China | 33,596,575 |
| Netherlands | 29,730,362 |
| France | 21,217,571 |
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 | 66,427,844 | 56,803,268 | -9,624,576 |
| Germany | 37,495,246 | 28,701,704 | -8,793,542 |
| China | 21,700,821 | 11,895,754 | -9,805,067 |
| Netherlands | 15,367,595 | 14,362,767 | -1,004,828 |
| France | 10,304,934 | 10,912,637 | +607,703 |
| Italy | 12,388,382 | 8,734,499 | -3,653,883 |
| Poland | 6,795,114 | 5,470,947 | -1,324,167 |
| Turkey | 3,902,540 | 4,086,928 | +184,388 |
| Ireland | 1,875,746 | 1,674,431 | -201,315 |
| Czechia | 1,600,202 | 1,937,988 | +337,786 |
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 | 125,162,748 |
| Germany | 57,651,003 |
| China | 33,560,810 |
| Italy | 27,268,583 |
| Netherlands | 25,372,059 |
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 | 67,551,479 | 57,611,269 | -9,940,210 |
| Germany | 32,072,694 | 25,578,309 | -6,494,385 |
| China | 21,457,013 | 12,103,797 | -9,353,216 |
| Italy | 17,238,192 | 10,030,391 | -7,207,801 |
| Netherlands | 13,354,051 | 12,018,008 | -1,336,043 |
| France | 8,812,644 | 6,277,312 | -2,535,332 |
| Poland | 7,083,201 | 5,577,976 | -1,505,225 |
| Turkey | 4,032,743 | 4,396,690 | +363,947 |
| Czechia | 2,485,444 | 2,987,879 | +502,435 |
| Austria | 1,403,363 | 3,379,260 | +1,975,897 |
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 | 13 | -2 |
| Herefordshire, Worcestershire and Warwickshire | 15 | 12 | -3 |
| Northumberland, Durham and Tyne & Wear | 10 | 11 | +1 |
| Shropshire and Staffordshire | 10 | 10 | +0 |
| Surrey, East and West Sussex | 8 | 4 | -4 |
| Bedfordshire and Hertfordshire | 8 | 7 | -1 |
| Greater Manchester | 5 | 6 | +1 |
| Inner London - West | 8 | 2 | -6 |
| West Midlands | 7 | 3 | -4 |
| Leicestershire, Rutland and Northamptonshire | 6 | 6 | +0 |
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) | 271,926,909 |
| Sea transport (not vehicle on ferry) | 43,522,874 |
| Air transport | 10,728,474 |
| Other | 3,436,729 |
| Road transport | 2,589,161 |
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) | 148,475,038 | 123,451,871 | -25,023,167 |
| Sea transport (not vehicle on ferry) | 27,320,456 | 16,202,418 | -11,118,038 |
| Air transport | 5,908,160 | 4,820,314 | -1,087,846 |
| Other | 1,682,403 | 1,754,326 | +71,923 |
| Road transport | 1,083,013 | 1,506,148 | +423,135 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 145,788,066 |
| Felixstowe | 69,509,318 |
| Immingham Docks | 38,671,136 |
| Dover / Eurotunnel | 23,908,931 |
| London | 6,275,934 |
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 | 77,255,830 | 68,532,236 | -8,723,594 |
| Felixstowe | 40,617,161 | 28,892,157 | -11,725,004 |
| Immingham Docks | 21,366,725 | 17,304,411 | -4,062,314 |
| Dover / Eurotunnel | 15,649,048 | 8,259,883 | -7,389,165 |
| London | 3,504,987 | 2,770,947 | -734,040 |
| Southampton | 3,523,012 | 1,567,768 | -1,955,244 |
| Eurotunnel | 2,224,883 | 2,796,447 | +571,564 |
| Thamesport | 2,614,054 | 1,809,176 | -804,878 |
| Portsmouth | 2,788,681 | 1,267,640 | -1,521,041 |
| Harwich | 1,658,750 | 2,086,949 | +428,199 |
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 | 69 |
| 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. | 15 |
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 | 103 |
| 54m+ | 78 |
| 0-1m | 43 |
| 15m-54m | 18 |
| Other | 9 |
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 | 40,099,533 |
| United States | 5,148,904 |
| Spain | 4,312,857 |
| Germany | 1,563,995 |
| 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 | 21,637,767 | 18,461,766 | -3,176,001 |
| United States | 1,899,577 | 3,249,327 | +1,349,750 |
| Spain | 2,282,927 | 2,029,930 | -252,997 |
| Germany | 981,321 | 582,674 | -398,647 |
| Australia | 888,165 | 629,071 | -259,094 |
| Netherlands | 989,952 | 176,828 | -813,124 |
| France | 562,356 | 487,691 | -74,665 |
| Turkey | 601,750 | 314,766 | -286,984 |
| Portugal | 347,432 | 397,984 | +50,552 |
| Czechia | 256,090 | 148,459 | -107,631 |
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 | 363,933 |
| XI | 152,983 |
| Netherlands | 40,488 |
| Germany | 30,850 |
| Turkey | 23,729 |
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 | 336,240 | 27,693 | -308,547 |
| XI | 95,329 | 57,654 | -37,675 |
| Netherlands | 25,850 | 14,638 | -11,212 |
| Germany | 12,668 | 18,182 | +5,514 |
| Turkey | 15,128 | 8,601 | -6,527 |
| Ireland | 9,352 | 5,931 | -3,421 |
| Italy | 7,981 | 4,210 | -3,771 |
| Denmark | 4,643 | 1,524 | -3,119 |
| China | 3,101 | 367 | -2,734 |
| 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) | 48,392,346 |
| Air transport | 5,545,719 |
| Sea transport (not vehicle on ferry) | 2,793,752 |
| Other | 1,823,129 |
| Road transport | 13,937 |
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) | 26,315,542 | 22,076,804 | -4,238,738 |
| Air transport | 2,451,050 | 3,094,669 | +643,619 |
| Sea transport (not vehicle on ferry) | 1,172,853 | 1,620,899 | +448,046 |
| Other | 1,261,363 | 561,766 | -699,597 |
| Road transport | 13,937 | 0 | -13,937 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Holyhead | 15,584,705 |
| Heysham | 14,222,252 |
| Dover / Eurotunnel | 9,178,186 |
| Liverpool Docks | 8,163,531 |
| East Midlands Airport | 3,508,012 |
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 | 8,580,570 | 7,004,135 | -1,576,435 |
| Heysham | 8,298,745 | 5,923,507 | -2,375,238 |
| Dover / Eurotunnel | 4,880,049 | 4,298,137 | -581,912 |
| Liverpool Docks | 3,348,950 | 4,814,581 | +1,465,631 |
| East Midlands Airport | 1,858,440 | 1,649,572 | -208,868 |
| 000 | 1,261,363 | 561,766 | -699,597 |
| Southampton | 709,155 | 830,364 | +121,209 |
| London Heathrow Airport | 47,739 | 1,324,541 | +1,276,802 |
| Immingham Docks | 908,058 | 156,625 | -751,433 |
| ZLC | 426,161 | 102,145 | -324,016 |
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