Reznor 105507 Pressure Switch 30067439-890 Optimized Ignition: Provides a consistent

Optimized Ignition: Provides a consistent flame pattern for high-efficiency main burner ignition and steady thermocouple output

this lead is engineered to provide a low-resistance electrical path between the flame sensing probe and the integrated ignition control board

moisture entry causing localized corrosion

this assembly is designed to help generate a 750mV signal

Fabricated from a high-durability synthetic elastomer

Reznor 105507 Pressure Switch 30067439-890 Optimized Ignition: Provides a consistentThe Reznor 105507 Pressure Switch is a critical safety component for combustion air proving in OEM Reznor unit heaters. This SPDT pneumatic switch (Single Pole Double Throw) features an adjustable set point range from 0. 15" to 5. 0" WC, making it an essential replacement part for HVAC repair and maintenance on models like the RP, RPB, SC, and SCE series. As a veteran grade differential air pressure switch, it ensures the inducer motor is generating