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RVP21.51

Siemens

Analogue heating controller (AC 220 V)

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Old - No longer available

Siemens RVP21.51

Analogue weather-compensated heating controller (AC 220 V). 100 % replacement by RVP200.1, same dimensions and/or panel cut-out. Room unit (QAA32.2) must be replaced (by QAA50.110/101) - all other sensors can be re-used. 
Info: Do not use the existing base as terminals are different - the 
Key data to replacement product: unit must be rewired (see Data Sheet).

Replacement: RVP201.1

Please check the technical data of the replacement product exactly, a 1: 1 replacement is not always possible.

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