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Honeywell ST9120
OEM Engineering: Guaranteed electrical and mechanical compatibility with legacy and modern Lennox equipment
the 51-104904-11 ensures the system maintains specified static pressure performance and consistent heat exchange
Using it with natural gas without a certified conversion kit can cause hazardous combustion conditions
Laars Heating Systems R2014800 Sensor 326058-756 Honeywell ST9120The Laars Heating Systems R2014800 Sensor is a critical OEM replacement part designed for precision thermal monitoring in high efficiency hydronic systems. This temperature control sensor serves as the direct replacement for E2103300, ensuring seamless integration with existing Laars boiler and volume water heater control logic. As an NTC thermistor, it provides real time resistance feedback to the main control board, allowing for accurate staging and
US$ 147.00
US$ 158.40
US$ 21.35