Check the listing for details. 100271885 | A.O. Smith Upper Temperature Probe w/ Integrated Connector. Condition: New. Listed at 153.00 USD. 100271885 | A.O. Smith Upper Temperature Probe w/ Integrated Connector Condition: Brand New*Genuine OEM Part* Description:Replacement Upper Temperature Probe w/ Integrated Connector for select commercial water heaters IMPORTANT: Water Heater parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. It is your responsibility to seek professional advice when installing and using these parts and accessories.⚙️ Will This Part Work for My Water Heater?This part is listed by A.O. Smith/State as being compatible with the following models (not an extensive list):BTHL 150-300 (BTHL 150A, 300 Series) - Natural GasBTHL 150-301 (BTHL 150A, 301 Series) - LPBTHL 199-300 (BTHL 199A, 300 Series) - Natural GasBTHL 199-301 (BTHL 199A, 301 Series) - LPBTHL 250-300 (BTHL 250A, 300 Series) - Natural GasBTHL 250-301 (BTHL 250A, 301 Series) - LPBTHL 300-300 (BTHL 300A, 300 Series) - Natural GasBTHL 300-301 (BTHL 300A, 301 Series) - LPBTHL 400-300 (BTHL 400A, 300 Series) - Natural GasBTHL 400-301 (BTHL 400A, 301 Series) - LPBTHL 500-300 (BTHL 500A, 300 Series) - Natural GasBTHL 500-301 (BTHL 500A, 301 Series) - LP***WATER HEATER PARTS ARE MODEL SPECIFIC. IF YOU NEED HELP VERIFYING WHETHER THIS PART IS COMPATIBLE WITH YOUR WATER HEATER PLEASE MESSAGE US WITH YOUR UNIT'S MODEL + SERIAL NUMBER. WE RECOMMEND SENDING A PICTURE OF YOUR WATER HEATER'S RATINGS PLATE (THE LABEL WITH THE MODEL AND SERIAL NUMBERS) AND THEN TYPING OUT BOTH NUMBERS IN YOUR MESSAGE*** 📦 Shipping + Returns:All items ship 1 Business Day after payment receivedReturns accepted within 14 days - *PART MUST BE UNUSED* Thanks for looking + please check out our store for more water heater parts! 🛒🛍️⚙️