The Ideal part is within the pressure switch section. Pressure switches within the appliance help to control different aspects of the internal pressure of closed systems and boilers. Pressure switches can relate to air, gas or water and are used to restrict or allow the flow of specific materials dependent on the pressure variables.
Genuine replacement part for Ideal
Technical specification
TypeSwitchManufacturer Model No75421Brand NameIdeal Heating
Reviews
Ideal Central Heating Pressure Switch Membrane 75421