this sensor operates by utilizing the ionized particles in the gas flame to conduct a microamp signal back to the integrated furnace control board

this non-asbestos gasket ensures a leak-proof seal under the rigorous thermal cycling common in pilot-operated steam regulators

By utilizing an authentic York HVAC part

and a variety of ceramic insulators and bushings (including standard

MARS 43306 Pressure Switch this sensor operates by utilizingThe MARS 43306 Pressure Switch is a professional grade fan cycling control engineered for precise head pressure management in air conditioning and refrigeration systems. This SPST (Single Pole Single Throw) internal automatic reset switch is designed to open on pressure fall at 210 PSI and close on pressure rise at 275 PSI, making it a critical component for maintaining optimal performance in low ambient conditions. Built with a hermetically sealed