Trane SWT2478 Switch which restricts flow and leads

which restricts flow and leads to improper suction pressure levels

High-Capacity Filtration: The 8-cubic-inch solid core provides advanced desiccant performance

Secure Installation: Integrated set screws provide a positive lock onto the timer dial to maintain scheduling accuracy

Complete Hardware Loadout: Provided with a full assortment of ceramic bushings and insulators to handle most mounting requirements in one trip

Trane SWT2478 Switch which restricts flow and leadsMaintenance of critical safety parameters in furnace combustion requires precise vacuum monitoring, which is exactly why the Trane SWT2478 is engineered as a high reliability SPNO furnace pressure switch. This single pole, normally open (SPNO) component is calibrated for specialized performance, featuring a nominal 1. 13" WC close setpoint and a 0. 94" WC open setpoint. Designed to verify inducer motor functionality and flue venting integrity, the