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The Siemens Building Technology 243-0018 Signal Selector is a high-performance
Featuring a standard 1/2 inch thread size
Is this compatible with my furnace
we recommend replacing the flame sensor rod to avoid repeated no-heat calls
Lochinvar & A.O. Smith 100233695 Sensor The Siemens Building Technology 243-0018The Lochinvar & A. O. Smith 100233695 Sensor is a critical OEM well thermostat and outlet sensor designed for precise temperature monitoring in high efficiency boiler and water heater systems. This genuine replacement component is the identical functional equivalent to part numbers TST2306 and TST2306K, ensuring a seamless drop in fit for technicians servicing compatible hydronic equipment. Engineered with a 3 8" NPT threaded bulb well connection, the