compatibility is everything

As a critical component for restoring original equipment performance

Designed for compatibility with blowers

Key Benefits Precise 115V 1/4 HP Performance: Delivers consistent 1050 RPM to ensure calibrated volumetric airflow across the heat exchanger

Dwyer Instruments TSS2-2100 Temperature Switch 322055-301 compatibility is everythingThe Dwyer Instruments TSS2 2100 is an industrial grade dual stage temperature switch designed for precision thermal management in high demand HVACR applications. This 115 Vac digital controller features two independent sensor inputs and 2 relays (OUT1: 16A SPDT, OUT2: 8A SPDT) for simultaneous control of heating and cooling stages. Engineered for versatility, the unit supports both PTC and NTC thermistor inputs, allowing for a broad measurement range