Trane R-22 Low Side Pressure Safety Switch 
Replaces Part Numbers: 
SWT02201 33PS02-10
SWT-506 33PS020010
SWT0506 DHY-279
SWT506 DHY279
SWT00506 DHY0279
CNT3163 DHY00279
CNT-3163 PS80-2F66
CNT03163 PS802F66
CNT3165 SEN-247
CNT-3165 SEN247
CNT03165 SEN0247
20PS022BA025G008D SEN00247
WW26X69 SWT-1381
WW26X90 SWT1381
WY16X105 SWT01381
CARSWT2201   
Used in Trane Air Conditioning Models: 
TWS736A100A3
WCZ060F100BD
Trane R-22 Low Side Pressure Safety Switch 
Replaces Part Numbers: 
SWT02201 SWT-506 SWT0506 SWT506 SWT00506 CNT3163 CNT-3163 CNT03163 CNT3165 CNT-3165 CNT03165 20PS022BA025G008D 33PS02-10 33PS020010 DHY-279 DHY279 DHY0279 DHY00279 PS80-2F66 PS802F66 SEN-247 SEN247 SEN0247 SEN00247 SWT-1381 SWT1381 SWT01381 WW26X69 WW26X90 WY16X105 CARSWT2201 
Used in Trane Air Conditioning Models: 
TWS736A100A3 WCZ060F100BD
Trane R-22 Low Side Pressure Safety Switch Vietnam_STC Vietnam Germany, USA, Asia, Vietnam, Singapore, Japan, Cambodia, Laos, Thailand, Myanmar, Indonesia, Malaysia, Singapore, China, India, Pakistan, Egypt, Iran, Jordan, Saudi Arabia, Sudan Syria, Iraq, Sudan.