This is a special order item and will ship separately.
Please allow 6 - 10 business days (typically) for the item to be processed prior to shipping.
Temperature probe for CBS-51H15, CBS-52H15, CBS-52H20, CBS-61H, CBS-62H, CBS-71A, HWB-10, HWB-15, HWB-25 and HWB-5 model boilers. To be used with the K033 digital thermostats only.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.