Fast delivery · Order by 2PM for same-day shipping on most products (Monday–Friday)
Out of stock
£126.21 inc. VAT
This is an optical instrument that allows you to check the level of antifreeze and hence corrosion inhibitor in the central heating system. A level below 25% by volume spells trouble with potential frost damage and/or corrosion leading to noisy boiler operation and rusty radiators.
Out of stock
Fast delivery
Order by 2PM for same-day shipping on most products (Monday – Friday).
Free UK mainland delivery on orders over £150.
International orders
Orders delivered outside the UK are subject to an additional shipping charge and may incur import duties. We’ll contact you after you place your order to confirm the shipping charge and explain any applicable import duties.
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This is an optical instrument that allows you to check the level of antifreeze and hence corrosion inhibitor in the central heating system. A level below 25% by volume spells trouble with potential frost damage and/or corrosion leading to noisy boiler operation and rusty radiators.
