Replacement tank top thermocouple assembly with tip-over switch for HR. HEATER models MH15T, MH15TS, MH30T, MH30TS, MH45T and Sunrite Models SRC15T, SRC30T. Tip-over switch detects unsafe angle and shuts off gas flow. Replaces part 17349. Length: 13.42 In. Warning: This product can expose you to chemicals including lead and lead compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov. -