If using the 12A49 vent limiter

the wattage output will be derated

which is critical for sizing contactors and breakers correctly during installation

The ASCO 300-056 Rebuild Kit is a critical maintenance solution designed for the ASCO Series 300 Automatic Transfer Switch

The open on rise (normally closed) contact configuration ensures the circuit breaks when the temperature reaches the calibrated limit

Maxitrol TD214B Selector Switch Refrigerant If using the 12A49 ventThe Maxitrol TD214B is a high performance dual remote temperature selector engineered for direct fired make up air systems. Designed for industrial and commercial heating processes, this selector allows for seamless switching between two critical temperature ranges: a lower range of 55F to 90F (typically for spray mode or standard environmental control) and a higher range of 120F to 170F (optimized for bake mode or dry cycles). This Selectra Series 14