SIEMENS STP23 AC 230V 2-POSITION/PDM ELECTROTHERMAL ACTIVATOR.
This part is based around the diverter valve section. The diverter valve is a directional water mechanism that is only found on a combi boiler, which is designed to allow hot water to be directed to the taps in a hot water system or to the radiators in a central heating system. This is the main difference between a combi boiler and a normal boiler due to the fact that a cylinder is not needed to provide hot water to the central heating system and taps .
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The SIEMENS STP23 AC 230V 2-POSITION/PDM ELECTROTHERMAL ACTIVATOR is a genuine, brand new Siemens product, covered by a Siemens manufacturer's guarantee.
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