Product Information: Pressure switches within your heating appliance help to control different aspects of the internal pressure within boilers and closed systems. Pressure switches can relate to water, air or gas and are used to restrict or allow the flow of specific material dependent on the pressure variables.
This part is present in 16 different boilers in the Saunier Duval range including the Saunier Duval THEMAPLUS F 23 E , THEMIS 223 (CE) , THEMA C 23 , THELIA 623 NC , THELIA 623 .