Description
PENTAIR Gas Shut Off Switch 150F Replacement Kit || 475985
- A High Limit Switch (HLS), is a safety device that opens the electrical circuit and shuts off the heater based on a water temperature set point within the HLS.
- The heater contains two AGS switches and one HLS switch.
- The AGS switches are located in the outlet plumbing assembly, and the HLS switch is located on the main Inlet/Outlet Header
