This back-up heater is an inline immersion heater developed to give the system an extra boost when required, to ensure comfort levels are maintained in severe weather conditions such as extended cold snaps. The back-up heater comes with a temperature sensor and sensor pocket to ensure that it only comes on when required and to limit its usage time as much as possible.
Features and benefits:
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Vaillant is consulted before specifying.
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| Uniclass (?) | Pr_70_60_36 Heat emitters | |