By maintaining a concentric grip on the shaft

Whether you are performing routine maintenance or an emergency motor repair

While designed specifically for McDonnell & Miller RS series and PS-800/850 series controls

How tight should the heater band be installed

Synthetic rubber construction offers superior resistance to heat and chemical exposure

Trane SWT2478 Switch By maintaining a concentric gripMaintenance 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