MARS 43306 Pressure Switch System Safety: Maintains the integrity

System Safety: Maintains the integrity of the flame sensor and pilot assembly during the conversion process

Key Benefits Precise Draft Detection: Factory-set at -1

For accurate VFD status monitoring

The Lennox 88H02 is a CCW rotation wheel

The top surface of the QC-1 yellow cartridge is color-coded yellow

MARS 43306 Pressure Switch System Safety: Maintains the integrityThe 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