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 | 132,772,471 |
| Germany | 69,432,815 |
| China | 34,595,842 |
| Netherlands | 31,810,649 |
| France | 22,109,887 |
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 | 68,753,071 | 64,019,400 | -4,733,671 |
| Germany | 37,927,793 | 31,505,022 | -6,422,771 |
| China | 16,819,749 | 17,776,093 | +956,344 |
| Netherlands | 14,311,432 | 17,499,217 | +3,187,785 |
| France | 13,250,931 | 8,858,956 | -4,391,975 |
| Italy | 11,940,836 | 9,958,802 | -1,982,034 |
| Poland | 7,557,804 | 4,660,071 | -2,897,733 |
| Turkey | 4,642,071 | 4,366,721 | -275,350 |
| Ireland | 2,260,852 | 1,506,218 | -754,634 |
| Czechia | 2,099,935 | 1,527,931 | -572,004 |
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 | 135,462,945 |
| Germany | 60,340,420 |
| China | 35,018,141 |
| Italy | 27,162,967 |
| Netherlands | 26,312,498 |
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 | 70,191,850 | 65,271,095 | -4,920,755 |
| Germany | 34,085,157 | 26,255,263 | -7,829,894 |
| China | 16,904,962 | 18,113,179 | +1,208,217 |
| Italy | 15,659,514 | 11,503,453 | -4,156,061 |
| Netherlands | 12,417,009 | 13,895,489 | +1,478,480 |
| France | 8,477,452 | 7,292,745 | -1,184,707 |
| Poland | 7,843,834 | 4,831,674 | -3,012,160 |
| Turkey | 4,773,448 | 4,690,829 | -82,619 |
| Czechia | 2,814,954 | 3,040,365 | +225,411 |
| Austria | 3,235,306 | 1,904,012 | -1,331,294 |
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 | 14 |
| Northumberland, Durham and Tyne & Wear | 14 |
| Shropshire and Staffordshire | 12 |
| 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 | 17 | 10 | -7 |
| Herefordshire, Worcestershire and Warwickshire | 13 | 12 | -1 |
| Northumberland, Durham and Tyne & Wear | 9 | 11 | +2 |
| Shropshire and Staffordshire | 9 | 9 | +0 |
| Greater Manchester | 7 | 7 | +0 |
| Surrey, East and West Sussex | 9 | 5 | -4 |
| Inner London - West | 7 | 4 | -3 |
| Bedfordshire and Hertfordshire | 7 | 8 | +1 |
| West Midlands | 8 | 4 | -4 |
| Leicestershire, Rutland and Northamptonshire | 5 | 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) | 287,144,473 |
| Sea transport (not vehicle on ferry) | 45,396,574 |
| Air transport | 11,487,643 |
| Other | 3,739,583 |
| Road transport | 2,672,917 |
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) | 152,500,377 | 134,644,096 | -17,856,281 |
| Sea transport (not vehicle on ferry) | 22,367,364 | 23,029,210 | +661,846 |
| Air transport | 6,296,249 | 5,191,394 | -1,104,855 |
| Other | 2,140,169 | 1,599,414 | -540,755 |
| Road transport | 1,638,466 | 1,034,451 | -604,015 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 156,305,564 |
| Felixstowe | 69,292,021 |
| Immingham Docks | 43,032,824 |
| Dover / Eurotunnel | 23,730,509 |
| London | 6,721,721 |
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 | 81,801,334 | 74,504,230 | -7,297,104 |
| Felixstowe | 35,001,627 | 34,290,394 | -711,233 |
| Immingham Docks | 22,668,173 | 20,364,651 | -2,303,522 |
| Dover / Eurotunnel | 14,566,266 | 9,164,243 | -5,402,023 |
| London | 3,433,623 | 3,288,098 | -145,525 |
| Eurotunnel | 2,341,166 | 3,874,221 | +1,533,055 |
| Southampton | 2,965,648 | 1,992,929 | -972,719 |
| Thamesport | 2,419,558 | 2,191,030 | -228,528 |
| Portsmouth | 2,902,894 | 1,457,933 | -1,444,961 |
| 000 | 2,140,169 | 1,599,414 | -540,755 |
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
|
72 |
|
Specialised construction activities
|
31 |
|
Manufacture of fabricated metal products, except machinery and equipment
|
24 |
|
Retail trade, except of motor vehicles and motorcycles
|
20 |
|
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 |
|---|---|
| 2026-05 | 64 |
| 2026-04 | 69 |
| 2026-03 | 65 |
| 2026-02 | 66 |
| 2026-01 | 58 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| BOSCH THERMOTECHNOLOGY LTD | 125 |
| INTATEC LIMITED | 112 |
| VAILLANT GROUP UK LIMITED | 92 |
| ALBION 4C LIMITED | 91 |
| NAVIEN UK LTD | 79 |
| IDEAL BOILERS LIMITED | 65 |
| HOVAL LIMITED | 65 |
| BAXI HEATING UK LIMITED | 60 |
| LOCHINVAR LIMITED | 59 |
| VAILLANT INDUSTRIAL UK LIMITED | 58 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 101 |
| 54m+ | 82 |
| 0-1m | 44 |
| 15m-54m | 16 |
| 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 | 41,599,577 |
| United States | 5,409,746 |
| Spain | 4,958,025 |
| Australia | 1,995,436 |
| Germany | 1,556,647 |
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 | 18,903,167 | 22,696,410 | +3,793,243 |
| United States | 2,396,144 | 3,013,602 | +617,458 |
| Spain | 2,551,024 | 2,407,001 | -144,023 |
| Australia | 1,503,813 | 491,623 | -1,012,190 |
| Germany | 1,082,991 | 473,656 | -609,335 |
| Netherlands | 895,713 | 194,663 | -701,050 |
| France | 570,997 | 508,135 | -62,862 |
| Turkey | 480,485 | 377,028 | -103,457 |
| Portugal | 419,389 | 345,570 | -73,819 |
| Slovakia | 127,928 | 318,419 | +190,491 |
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 | 376,060 |
| XI | 153,320 |
| Germany | 53,958 |
| Netherlands | 38,416 |
| Turkey | 29,595 |
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 | 349,157 | 26,903 | -322,254 |
| XI | 112,425 | 40,895 | -71,530 |
| Germany | 9,105 | 44,853 | +35,748 |
| Netherlands | 23,115 | 15,301 | -7,814 |
| Turkey | 16,367 | 13,228 | -3,139 |
| Ireland | 8,332 | 6,436 | -1,896 |
| Italy | 7,516 | 4,628 | -2,888 |
| Denmark | 3,554 | 2,273 | -1,281 |
| China | 2,440 | 504 | -1,936 |
| 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) | 50,901,582 |
| Air transport | 5,773,242 |
| Sea transport (not vehicle on ferry) | 3,746,198 |
| Other | 1,750,705 |
| Road transport | 1,350 |
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) | 24,071,178 | 26,830,404 | +2,759,226 |
| Air transport | 2,899,686 | 2,873,556 | -26,130 |
| Sea transport (not vehicle on ferry) | 1,680,559 | 2,065,639 | +385,080 |
| Other | 1,095,530 | 655,175 | -440,355 |
| Road transport | 1,350 | 0 | -1,350 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Holyhead | 18,483,628 |
| Heysham | 13,745,196 |
| Dover / Eurotunnel | 10,182,330 |
| Liverpool Docks | 7,277,660 |
| East Midlands Airport | 3,790,913 |
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 | 7,957,612 | 10,526,016 | +2,568,404 |
| Heysham | 7,840,188 | 5,905,008 | -1,935,180 |
| Dover / Eurotunnel | 5,313,218 | 4,869,112 | -444,106 |
| Liverpool Docks | 1,841,686 | 5,435,974 | +3,594,288 |
| East Midlands Airport | 2,110,253 | 1,680,660 | -429,593 |
| 000 | 1,095,530 | 655,175 | -440,355 |
| Southampton | 1,009,505 | 553,485 | -456,020 |
| London Heathrow Airport | 341,233 | 1,034,576 | +693,343 |
| London Gateway Port | 395,587 | 939,634 | +544,047 |
| Immingham Docks | 815,810 | 172,861 | -642,949 |
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