This cover is designed to provide adequate airflow to the bimetal element

and a variety of ceramic insulators and bushings (including standard

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

Green Color Coding: Simplifies part identification during installation and maintenance in complex HVAC control circuits

repeated clicking without ignition

MARS 43306 Pressure Switch This cover is designed toThe 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