HE 1.019147 Overheat Thermostat (105 C)

Alpha 1.019147 Overheat Thermostat (105 C)

This part fits the following:

• Alpha HE CB25
• Alpha HE CB25 LPG
• Alpha HE CB33
• Alpha HE CB33 LPG
• Alpha HE SY25
• Alpha HE25
• Alpha HE25 LPG
• Alpha HE33
• Alpha HE33 LPG

Usually when a boiler overheats, the unit will recognise that heat is rising to an unsafe level, triggering a safety feature which causes it to shut down.

This is a safety mechanism that has been introduced in recent years, and it’s something that all good modern boilers are fitted with.