Kerrville 
Dyson On/Off Switch for Most Dysons - Part No. 910971-01
Dyson On/Off Switch for DC07 / DC14 / DC17 / DC18 / DC21 / DC23 / DC24 / DC25 - Part No. 910971-01
Switch is compatible with DC07, DC14, DC17, DC18, DC21 , DC23, DC24, DC25, DC26 City, DC27, DC28C, DC33C, DC37C, DC39C Origin,
DC41C, DC39, DC52, DC54, DC78 and CY18 model vacuums.