Outdoor sensor 8201-
Fits CTC Total Blue Panel with serial number: from 212-001
Fits CTC Total Blue Panel Manufactured: from 1982 v01
Outdoor sensor for CTC Boilers and VP. Replaces RSK 621 0111 on all products except EcoAirV3 using RSK 621 0119
This fits all Ecoel and Ecoheat that are manufactured after v 09 in 2002. (versions 2 and 3 of Ecoel and Eco heat)
NOTE. On these sensors, CTC has chosen to put the sensor on the cable, the box is only for attaching and protecting. If you do not want to pull the entire cable, you should cut the cable a bit from the sensor body.