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Lochinvar & A.O. Smith 100108424 Lower Thermostat W/Cover WH9-6

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Special Price $32.54 Regular Price $42.30
In stock
SKU
100108424
Lochinvar & A.O. Smith 100108424 Lower Thermostat W/Cover WH9-6 is an indispensable part of water heater system, its safe and trouble-free work. This lower thermostat is created for water heaters and its operation is based on the control of water temperature inside tank. Also for safety reasons, a thermostat is usually implemented, this thermostat stop the heating element once the water reach the desired temperature. Through this part, the water temperature is well regulated, saving entire resources and also increasing the life cycle of your water heater system.
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Heating Parts & Accessories, Thermostats, HVAC Controls
Manufacturer:
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Specifications

  • Type: Lower Thermostat
  • Model Number: WH9-6
Manufacturer Name: Lochinvar & A.O. Smith
Product Number: 100108424
OEM Part Number: 100108424
Product Description: Lower Thermostat W/Cover Wh9-6
Weight:0.32lbs/145.15g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lochinvar & A.O. Smith 100108424 Lower Thermostat?

Inspect the thermostat terminals periodically to ensure solid, corrosion-free electrical contact and confirm the cover is properly seated. Check temperature response during routine service to verify accurate cycling of the heating element. Keep surrounding wiring dry and free from moisture or overheating damage. Proper inspection ensures stable water temperature control and prevents erratic heating behavior.

What are common issues with the Lochinvar & A.O. Smith 100108424 Lower Thermostat?

  • Inaccurate temperature regulation causing water to overheat or stay lukewarm.
  • Electrical contact wear leading to intermittent heating cycles.
  • Faulty ECO triggering unexpected shutdowns.
  • Loose wiring or terminal corrosion disrupting power flow.
  • Thermostat drift resulting in inconsistent heating performance.

Installation Steps

Step 1: Turn off power supply at breaker and allow unit to cool before starting.

Step 2: Remove access panel and place lower thermostat assembly.

Step 3: Disconnect wiring and label terminals for correct reconnection.

Step 4: Remove old thermostat and place new thermostat in same position.

Step 5: Reconnect wiring securely and tighten all connections.

Step 6: Refit cover panel, restore power, and test temperature control operation.