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Automatic Reset: Returns to normal operation once pressure falls below the set point
High-Temperature Durability: Constructed with a Kanthal D rod and ceramic insulator to withstand extreme combustion chamber heat
System Protection: Extends the service interval for electronic collection cells by pre-screening hair
Proper polarity must be observed during termination to the monitored detector or control panel terminals
Reznor 105507 Pressure Switch 30067439-890 Automatic Reset: Returns to normalThe 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