Temperature controller for Heatmaster outdoor wood boilers. Adjustable temperature setting and differential. Fits HeatMaster MF3000, MF3000e, MF4000, MF5000, MF5000e, MF10,000, MF10000e, MF20000, MF20000e, C150, C250, C375, C500, C800.
HeatMaster Electronic Temperature Controller
$140.00Price