30" Thermocouple (Screw-In) for CG, EG, EGH, CGA Boilers, 511-724-254

Weil-McLain 511-724-254 30" Thermocouple (Screw-In) for CG, EG, EGH, CGa Boilers A 30" screw-in thermocouple used on compatible Weil-McLain boilers to support standing-pilot safety operation by sensing pilot flame and enabling gas valve operation. Key Features: * Screw-in thermocouple replacement part * 30" length * Listed for use with Weil-McLain CG Boilers, CGa Boilers, EG Boilers, and EGH Boilers Compatibility & Applications: * Used With : CG Boilers; CGa Boilers; EG Boilers; EGH Boilers * Q&A guidance indicates this part is used for certain natural gas (NG) applications, and a different thermocouple part number may be required for LP/propane versions * Must only be used where the manufacturer specifies this exact part number: 511-724-254 Installation & Operation Notes: * Installation should be performed by a qualified boiler/HVAC service professional * Refer to the boiler's service/installation manual for the correct thermocouple replacement procedure, pilot/gas valve connection details, and post-service safety checks Maintenance & Troubleshooting: * This thermocouple is commonly replaced when a standing-pilot boiler won't stay lit or loses heat due to a failed/weak thermocouple * Q&A highlights that confirming a failed thermocouple requires proper troubleshooting steps; follow the boiler's service manual or a qualified technician's diagnostics * If the boiler is LP/propane or if issues persist after replacement, confirm the correct fuel-specific part number and continue troubleshooting per the boiler's service documentation User Reviews & Q&A Summary: * Reviews commonly report an exact OEM-style fit and straightforward replacement, with many noting it restored heat/pilot operation quickly * Frequent themes include good quality/longer-lasting performance compared with "universal" thermocouples, plus fast shipping and good service * Q&A themes emphasize model-specific verification (often requiring full model/serial), and confirm it is not a universal fit for other brands/models * Q&A also notes fuel and thread considerations: users ask about LP/propane and special thread types (e.g., left-hand), and responses emphasize using the exact manufacturer-specified part for the specific boiler configuration