Product Information
Ionisation Electrode
Compatible with 7 equipment models
- T9800SE 160 Greentherm T9800SE 160 Tankless Water Heater
- T9800SE 199 Greentherm T9800SE 199 Tankless Water Heater
- T9800SEO 160 Greentherm T9800SEO 160 Tankless Water Heater
- T9800SEO 199 Greentherm T9800SEO 199 Tankless Water Heater
- T9900iSE 199 Greentherm T9900iSE 199 Tankless Water Heater
- T9900SE 160 Greentherm T9900SE 160 Tankless Water Heater
- T9900SE 199 Greentherm T9900SE 199 Tankless Water Heater
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Fast Shipping
In-stock orders ship within 1 business day to anywhere in Canada.
Code-Compliant
All products meet Canadian HVAC and gas code standards.
Wholesale Pricing
Trade pricing for licensed contractors. 40+ years in the industry.
Bosch Ionisation Electrode (Part No. 8738722789) is an OEM replacement flame‑sensing electrode for Bosch gas‑fired appliances, providing ionisation‑based flame detection used by appliance control modules to confirm safe combustion. Simple to install during routine service or repair, it restores correct flame monitoring and aids troubleshooting of ignition and burner faults—an essential spare for technicians maintaining Bosch heating and hot‑water equipment. (bosch-homecomfort.com)
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