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Tec 7 Leak Sealant 750ml

Tec 7 Leak Sealant 750ml


Depressurise the system.

Check the water purity; if necessary flush and change the water.

Shake PLUMB7 well before use.

Add the necessary amount of PLUMB7 to the system through the highest positioned radiator.

Run the circulation pump.

If necessary, bleed the system and bring the water level up to standard.

  • Tec7
  • PLUMB7
  • World Wide
Quantity Savings
2 - 2 £25.08
3 - 3 £24.55
4 + £23.76
Product Options

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Additional Product Info

Additional Info

Plumb 7

Can be used to restore leaks in closed as well as open heating systems.*

Prevents and seals leaks fast and efficiently.

Does not clog or impair flow.

Simply to use.

Prevents rust and corrosion.

Enhances the pump lubrication.

No minimum order Quantities/Order Value

Shipping Details

Use the table below to see our carriage charge or use our handy carriage calculator on the shopping cart page as you add products.

Please note if you do not see your country listed on the checkout please email us at and we shall be happy to send you a quotation with delivery included.

Area Post (2nd Class) Post (1st Class) Next Day*
England & Wales £2 £3 £7.95
Scotland £2 £3 £7.95
Scottish Highlands 1 £3.00 £4.00 £11.95
N. Ireland & UK Islands 2 £3.00 £4.00 £9.95
Republic of Ireland £15.00 £15.00 £15.00
Rest of World Please use the shipping calculator on the cart page or contact us.

Scottish Highlands 1

HS1-9, IV21-24, IV40-49, IV51-56, KA27-KA28, PA20, PA21, PA41-PA49, PA60-PA78, PH36-PH44

N. Ireland & UK Islands 2


Next Day*

Next Day by 5pm Monday - Friday, if ordered before 2pm and stocked item

This service is available to Mainland UK addresses, however it may take a little longer for Highlands and Islands. If you are unsure please phone where we would be delighted to help.

This is if the goods are stock items and ordered before 2pm. If not, goods will be sent via carrier once available.


Post 2nd Class - 3-4 Days

Post 1st Class - 1-2 Days (Please note this is NOT a guaranteed next day delivery.)

Monday - Friday 8am - 5.30pm. Deliveries on Saturday (Special Rate)

All delivery times quoted are from when the goods leave ourselves. 
Please note that during Christmas delivery make take a little longer due to the busy Period

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