CL311 otter thermostat. Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › CL311 otter thermostat. This topic has 2 replies, 2 voices, and was last updated 17 years, 11 months ago by megawatt. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts April 19, 2008 at 11:08 am #36142 megawattParticipant Does any one know the value of the otter stat mounted on the heater? Thanks, Mike. April 19, 2008 at 4:55 pm #249734 Penguin45Participant Re: CL311 otter thermostat. 75c. Chris. April 19, 2008 at 11:03 pm #249735 megawattParticipant Re: CL311 otter thermostat. Thanks for your time Chris, Regards, Mike. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In