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

⚠️ Compatibility Disclaimer:

This thermocouple is intended for use only with compatible ODS-equipped gas appliances and part numbers listed above. Buyer is responsible for verifying fitment before purchase. Installation should follow manufacturer safety guidelines and be performed by qualified personnel. Seller is not liable for damage or injury resulting from improper installation or use.

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