White-Rodgers 11D31-1 hydronic temperature control is a well-immersion control with 100 to 240F range and 7 to 45F adjustable differential. It fits hot-water heating systems using immersion wells.
Fast-acting hydraulic element drives SPDT switching. Extra capillary length suits extended shank wells, wells not included. We name the system, the voltage, and the wire before install. Check the wiring diagram for system fit.
11D31-1 highlights
100-240F range
Covers common hydronic setpoints with one dial.
7-45F adjustable differential
Lets the cycle be set tight or wide for the system.
