Blog

‘Non-Toxic’ Claims Could be Hazardous

Can ethylene glycol-based heat transfer and antifreeze fluids really be ‘non-toxic’? Paul Day, Technical Director at Sentinel, smells a rat.

‘Non-toxic’ is a claim made against many substances sold within the HVAC industry – and in many cases, fair enough. But sometimes there is a fine and often shady line drawn between what is reasonable and what could be misleading.

Read more

Customers keener than ever to learn how to clean, protect and maintain their heating systems

5 days. 2532 exhibitors. 190,000 guests. As ever, this year’s ISH was a roaring success. Here is the Sentinel summary of the world’s leading trade fair for the HVAC and water industries.

With 48% of the visitors coming from overseas, and a huge 66% of the exhibitors coming from overseas too, Sentinel’s international team was certainly kept busy during ISH. 

Read more

Free Filter Prize Draw

Simply complete the enquiry form below to enter our prize draw to win 1 of 5 Eliminator Vortex300 magnetic filters.

In the Enquiry section of the form enter Filter Prize Draw

Short terms and conditions 

Read more

5 reasons why should you replace your CondenSafe+ Neutraliser


In condensing boilers, high efficiency is achieved by using waste heat from the hot flue gases to pre-heat the water in the boiler instead of just being exhausted through the flue. However, in doing so, the flue gases are cooled and an acidic condensate is formed which is often simply discharged into the normal domestic drain.

Read more