Hide Show Product DetailsUsed WithSeries 94 SystemDescriptionSeries 94 AmplifierSingle Dial - No Relay For Automatic ValveAll Temperature Ranges:40º to 80ºF55º to 90ºF90º to 140ºF110º to 160ºF160º to 210ºFA1494B008HQ49T2Maxitrol Customer Reviews Hide Show Write a Review