Rugged Construction: Features a corrosion-resistant epoxy powder coating for long-term protection against environmental degradation

erratic combustion readings

This board typically manages the relay functions internally

ensuring precise flame signal monitoring even in challenging burner environments

MARS 43343 Pressure Switch 320074-702 Rugged Construction: Features a corrosion-resistantThe MARS 43343 Low Pressure Switch is a high performance HVACR safety control designed for precise low pressure cut out in refrigeration and air conditioning systems. Engineered with a single pole, single throw (SPST) normally open configuration, this switch provides a reliable manual reset alternative or automatic safety shut off. This unit features a factory set 25 PSI cut in and 10 PSI cut out (25#CI 10#CO), ensuring equipment protection against