White-Rodgers 11B18-101 well immersion hydronic temperature control provides open-on-rise switching with a tapered bulb and fast hydraulic element. It fits heating wells in horizontal or vertical position. The package includes a 1/2 in standard shank well, with extra capillary length for extended wells.
11B18-101 highlights
100 to 240 F range
Covers common hydronic setpoints with hydraulic action.
5 to 45 F adjustable differential
Lets the system cycle to match the installation.
Well immersion tapered bulb
Senses water temperature directly inside the well.
Shank well included
Comes with 1/2 in standard shank well for mounting.
11B18-101 specifications
Mounting: Horizontal or vertical
In the box: Control with 1/2 in standard shank well
Control type: Well immersion single control
Differential: 5 to 45 degrees F adjustable
Switch action: Open-on-rise, SPST
Sensing element: Tapered bulb with hydraulic action
