apm6121 thermostat Home › Forums › Public Support Forums › Spare Parts Help › apm6121 thermostat This topic has 1 reply, 2 voices, and was last updated 16 years, 11 months ago by apm6121. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 29, 2009 at 1:04 pm #45326 apm6121Participant looking for some help mfi apm6121 which i assume is a diplomat. where do i find a new thermostat for it? it has 2 earth pins and 4 control pins of which only three are used. capillary about 1m long. April 29, 2009 at 3:19 pm #285336 kwattKeymaster Re: apm6121 thermostat Hi, Link to part HTH K. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In