Replacement Ionization Probe / Electrode Assembly for Riello FS20 (Fits 40 Series FS10/FS20/GS5/GS10/GS20) - 1 Pack

This listing is for one replacement ionization probe / electrode assembly intended for use with Riello FS20 burners and other Riello 40 Series models commonly listed (FS10, FS20, GS5, GS10, GS20). The assembly performs flame detection/ion sensing to support ignition and safety control in oil-fired burners. Manufactured by STW and sourced from China. Sold as a single replacement unit.

• Compatibility: Replacement ionization probe / electrode assembly for Riello FS20; listings also show fit for 40 Series burners (FS10, FS20, GS5, GS10, GS20). Verify fit before installation.
• Function: Serves as the flame-sensing ionization electrode used by oil burners to detect flame presence and support safe ignition control.
• Installation: Direct-replacement style assembly with mounting bracket and electrical connector; install following your burner manufacturer’s service instructions and disconnect power before service.
• Package contents: Includes one (1) ionization probe / electrode assembly. No additional accessories are included unless listed separately.
• Replacement sensor listing; instrument family, connector style, and fit should be verified before purchase.