Swimables Automatic Gas Shutoff Switch (AGS) Compatible with All Pentair Mastertemp and Sta Rite Max-E-Therm Pool Heaters 42002-0025S - Also Compatible with HD Heaters

Compatibility: This replacement AGS Switch will work on Pentair Mastertemp 400 parts along with all the other BTU's. It is also compatible with the Sta Rite heater and all HD...