ON/OFF switch, Elco ULTRON, QUADRON, TRION, RENDAMAX, 4758544201 ULTRON, QUADRON, TRION, RENDAMAXManufacturer No.: 475 854 4201

Outdoor sensor Elco-Klockner, 475.825.3596 KL-MTZ, SYSTRON, SYSTRON 2, UNON, UNON 2, TARGON, VARION, ATMONManufacturer No.: 475 825 3596(replaces 333 263 690, 475 601 4571 )

Universal sensor Elco-Klockner, 4756019009

Universal sensor Elco-Klockner Logon 12001782 LOGONManufacturer No.: 12 001 782

Flue sensor Elco Klockner Miron 12002341 MIRON M/MKManufacturer No.: 12002341

Boiler sensor for Elco-Klockner Logon SOL, 4758637929   LOGON SOL, LOGON SOL PLUS, LOGON SOL COMPACTManufacturer No.: 475 863 7929

Advance sensor Elco Klockner Ultron 44 4758752792 ULTRON 22/W22 as of 1998Manufacturer No.: 475 875 2792

Advance sensor Elco-Klockner 64200624 replaces 4758253609 KL-MTZ, SYSTRON, SYSTRON 2, UNON, UNON 2, TARGON, VARION, ATMONManufacturer No.: 64 200 624(replaces 333 263 731, 475 601 4582, 475 825 3609)

Immersion sleeve flue sensor Elco Ultron 22 12002285 Elco Klockner