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FAQs

FAQ's radiators

The most frequently asked questions at service:

1. Above my radiator the wall has discoloured
3. My radiator rustles
5. Are fixing brackets, blank plug and air vent plug included in the price of radiators?
6.1. How can that happen?
6.3. How to avoid frost damage?
7. What is the difference between a direct and an indirect system?
9. Will old twin entry radiator valves fit new radiators?
11. What is the hydraulic pressure drop across a radiator?
13. Do my radiators need venting?
15. What clearances do I need above and below my radiator to ensure maximum efficiency?
17. Can I curve or bend radiators to fit into an existing bay window?
19. Does my system need a corrosion inhibitor?
21. Can I drill out & re-tap bleed valves on old radiators?
23. Sounds in radiator ?
25. How many connections does the Kermi Compact Radiator have?

2. My radiator clicks at times
4. Why does the radiator in toilet/bathroom oxidise at the lower edge?
6. Can a radiator be damaged by frost?
6.2. How to recognise frost damage?
6.4. Why does the radiator not warm up?
8. What should I use to secure the radiator to the wall?
10. What are the Correction Factors in the radiator data chart?
12. Why are my radiators hot at the top and cold at bottom?
14. Can I remove and refit my radiators for decoration purposes?
16. What allowance should I make for pipe centres from the edge of the radiator?
18. Are Kermi products suitable for one-pipe systems?
20. Can I fit decorative covers over my radiators?
22. Cold spots in radiator?
24. What is the conversion from Watts to BTU's?

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