• There may be a variation between the temperature delivered from the heating system and the temperature at the
tap due to water conditions or the length of the pipe to the heating system.
• Avoid damage to the heating system and voiding your warranty.
• No alterations! Any alteration to the heating system or its controls can cause unforeseen serious
hazards and, in addition, will void the warranty.
HOT WATER HAZARD
Hot water at temperatures above 49 ºC can cause serious scalding injuries and in extreme cases even death.
The heating can deliver hot water at temperatures above 85 °C.
• For safe operation, always use a mixing valve set at a temperature no higher than 48 °C.
• Always check the water temperature before entering a shower or bath.
• Hot water can be dangerous, especially for infants, children, the elderly or the inrm.
How long can skin be exposed to hot water?
Temperature
°C
Time before skin becomes scalded
70 Extreme danger! < 1 second
66 Very dangerous! 1 – 5 seconds
60 Dangerous! 10 seconds
54 30 seconds
52 Warning! 2 minutes
49 5 – 10 minutes
38 Safe
Safe bathing
Temperature
Source: Moritz, A.R. / Herriques, F.C.: Studies of thermal injuries: the relative
importance of time and surface temperature in causation of Cutaneous burns
A. J. Pathol 1947; 23: 695 - 720.
• Before using the hot water tap or using the shower, allow the hot water to run until the water temperature
is safe and stabilized.
• Test the temperature of the water before placing a child in the bath or shower.
• Do not leave a child or an inrm person in the bath unsupervised.
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