Single Wire Metric Thread Thermocouple, 24", ODS, TH181955

24" Thermocouple | Single Wire | Metric Thread | ODS Style | Replaces 181955 | Vanguard® Compatible

Ensure safe and reliable ignition with this brand-new 24" single wire thermocouple. Designed with a metric thread and ODS (Oxygen Depletion Sensor) configuration, this replacement thermocouple is commonly used on Vanguard® gas heating units and other compatible appliances. It helps maintain flame sensing and automatic gas shutoff for enhanced safety.

Features & Benefits:

• ✅ Direct replacement for part number 181955
• Length: 24 inches | Single wire design
• Metric thread for secure fit in ODS pilot assemblies
• ️ Supports flame sensing and gas valve shutoff
• Condition: Brand New – Unused

Replaces Part Numbers:

181955
Also replaces compatible thermocouples with matching length, thread, and ODS configuration.

✅ Fits Units From:

Vanguard® and other select gas heating appliances using ODS pilot assemblies.
Model-specific compatibility may vary—please verify your part number and pilot assembly before ordering.

Common Fixes:

• ❌ Pilot light won’t stay lit
• ⚠️ Thermocouple not generating millivolt signal
• Gas valve not opening due to failed flame sensing
• Upgrade for restored ignition safety and flame reliability

️ Installation Tips:

• Turn off gas supply and allow unit to cool before servicing
• Locate thermocouple at pilot assembly near burner
• Unscrew old thermocouple and disconnect from gas valve
• Clean mounting area and install new thermocouple securely
• Test pilot ignition and flame hold after installation

Sense the flame. Secure the heat. Restore your gas appliance with a high-quality ODS thermocouple.