Lochinvar & A.O. Smith 100111019 Lower Probe 340155-7026 connect the sample line to

connect the sample line to the "H" (1/4") port

Key Benefits for the Contractor Positive Dead-End Lock-Up: Ensures 0% leakage during gas-off cycles

minimizing mechanical vibration and noise during startup and continuous operation cycles in commercial or residential workspaces

It features a slightly higher horsepower rating than the original to properly handle the required amp draw for compatible equipment

Lochinvar & A.O. Smith 100111019 Lower Probe 340155-7026 connect the sample line toThe Lochinvar & A. O. Smith 100111019 Lower Probe is a critical OEM replacement temperature sensor designed for commercial high efficiency water heaters. When you are troubleshooting erratic temperature swings or lockout codes on units like the Cyclone BTH, SUF, or HCG series, this immersion style probe is often the primary fix. It provides the central control board with precise thermistor data from the lower section of the tank to manage thermal