Reznor 146630 Fan Control 320819-301 Contaminant Protection: Hardened against scale

Contaminant Protection: Hardened against scale buildup and mineral deposits that can degrade standard seals over time

Precise Fitment: Designed for 38" x 24" x 9" full-sized standard cabinets to ensure seamless integration with Honeywell air cleaners

Smith gas valve with no status light

the BACnet MS/TP protocol and SA Bus architecture are designed for standard communication with compatible HVAC automation field controllers that support 2-wire serial bus communication

Restricted Lockout Safety: Enhances mechanical longevity by preventing the burner from cycling under unsafe combustion conditions

Reznor 146630 Fan Control 320819-301 Contaminant Protection: Hardened against scaleThe Reznor 146630 Fan Control is a precision engineered limit switch designed for commercial HVAC maintenance and unit heater repair. As a genuine OEM Reznor replacement part, this F155 55F fan control switch monitors internal heat exchanger temperatures to cycle the blower fan automatically. Rated for an F155 55F trip point, it ensures the system activates the fan at 155F and deactivates it once the temperature drops by 55F, preventing short cycling