Pentair/Sta-Rite Maxetherm Automatic Gas Shutoff Switch (P/N: 42002-0025S)
Item qualifies for Free Shipping!
Fits all Maxetherm heater models.
This is your automatic gas shutoff switch.
Located in the middle well of the manifold on the right hand side under the right hand switch cover. It is marked with a yellow dot.
Prevents the heat exchanger output from exceeding 140 degrees Fahrenheit.