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Lochinvar & A.O. Smith 100110950 Thermostat Lower Probe

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Special Price $108.54 Regular Price $124.82
In stock
SKU
100110950
Lochinvar & A.O. Smith 100110950 is a Thermostat Lower Probe which is a device that used in boilers and water heaters to measure the temperature. It controls the temperature of water at the tank Bottom so that heating is constant and only the heating coil turns on or off as required. This probe optimises energy use, reduces heat stress, and increases the longevity of HVAC equipment. The high degree of temperature variation allows for improved performance and safety within water heating systems leading to longer lasting and more efficient equipment.
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HVAC Controls & Electrical, Control & Sensing Devices
Manufacturer:
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Specifications

  • Type: Thermostat Lower Probe
    Manufacturer Name: Lochinvar & A.O. Smith
    Product Number: 100110950
    OEM Part Number: 100110950
    Product Description: Thermostat Lower Probe
    Weight:0.41lbs/185.97g

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    Product Questions (2)
    Customer Questions
    What maintenance is required for the Lochinvar & A.O. Smith 100110950 Thermostat Lower Probe?

    Regularly inspect the lower probe and wiring for corrosion or loose connections to ensure accurate temperature readings. Clean the probe gently to remove scale or debris buildup affecting sensor performance. Always disconnect power before servicing to maintain electrical safety and prevent damage.

    What are common issues with the Lochinvar & A.O. Smith 100110950 Thermostat Lower Probe?

    • Inaccurate temperature readings due to probe drift or contamination.
    • Loose wiring or intermittent electrical connection is causing signal loss.
    • Corrosion on sensor affecting performance and accuracy.
    • Controller miscommunication or erratic thermostat response.

    Installation Steps

    Step 1: Turn off electrical power to the water heater or boiler and allow the system to cool fully before servicing.

    Step 2: Remove access panel and locate the existing lower probe at the tank or vessel bottom sensing port.

    Step 3: Disconnect wiring or sensor leads carefully, noting placement for correct reconnection.

    Step 4: Unscrew or gently withdraw the old probe and install the new probe into the same port, ensuring full seating.

    Step 5: Reconnect wiring securely and confirm proper insulation and routing away from heat sources.

    Step 6: Restore power and test operation, checking accurate temperature sensing and stable heating cycles.