Central Boiler Combo Digital Temperature Controller And Probe Classic Models

Digital Temperature Controller for Classic model outdoor furnaces only (after s/n 25151) and Sensor Probe Replacement Digital Temperature Controller for Classic model outdoor furnaces only (after s/n 25151). Control panel. Temperature Sensor Probe (p/n 727) is included. The 10 degree operational window can be set to trigger between 165 – 195 degrees F.