54% off
Fernox | SKU:
374825
Fernox Central Heating Leak Sealer F4 Express - 400ml
£26.38
£57.64
Unit price
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Fernox Central Heating Leak Sealer F4 Express - 400ml is backordered and will ship as soon as it is back in stock.
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Delivery & shipping
Delivery & shipping
Standard Delivery: 3-5 working days
Most orders are dispatched same day.
Large orders may take longer.
Returns & refunds
Returns & refunds
Not quite right? No problem.
Get in touch with us to return your order, check out our returns and refunds policy.
Description
Description
- Quick and convenient doses in 30 seconds
- Simple to use with no mess
- Added via a radiator adapter or filling loop supplied
- Non-toxic, environmentally friendly formulation
- 100% recyclable can
- Seeks out and seals most weeps and leaks
- Saves time and money on draining down and repairing
- Does not cause blockages of pumps, air vents, etc
- Compatible with all Fernox Protectors
