A 500 ml bottle of premium heating‑inhibitor concentrate paired with a handy 1‑L radiator dosing funnel gives you everything needed to protect and boost the performance of a sealed central‑heating system.
Why use the inhibitor?
– Stops limescale from forming on radiators, pipes and heat exchangers, reducing hot‑spots and the risk of cracks.
– Blocks hydrogen gassing and microbial growth, keeping water flow smooth for quicker heat‑up.
– Forms a thin protective film on metal parts, preventing rust and cutting down boiler noise.
What the kit includes
| Item | Key specs |
|——|———–|
| Inhibitor concentrate (500 ml) | Concentrated formula; treats up to 10 radiators; dose‑rate indicator on bottle side |
| Dosing funnel | Nylon body, brass ½” BSP male thread, 190 mm high, 52 mm opening, 1 L capacity; swivel joint fits most radiators (≈99 % compatibility) |
The funnel’s gravity‑fed design lets you pour the liquid directly into the radiator without spills – a typical fill takes about 17 seconds and works even when the unit is close to a wall. It’s also suitable for other chemicals such as leak sealers, boiler silencers or anti‑freeze solutions.
Quick tip: Follow the label instructions carefully and avoid use with primatic cylinder installations. With this kit you’ll enjoy cleaner water, quieter operation and more efficient heating season after season.
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