Pentair Max-E-Therm/MasterTemp Gas Shutoff Switch (42002-0025S) reducers This 2-output US relay board

This 2-output US relay board is designed for compatible applications where those extra control paths need to be restored without replacing the entire control pack

That helps restore the filter system with a direct-fit service replacement

That keeps service focused and cost-conscious

and reliable poolside use are just as important as basic fit

Within filter service

Pentair Max-E-Therm/MasterTemp Gas Shutoff Switch (42002-0025S) reducers This 2-output US relay boardRestore gas shutoff switch function on compatible Max E Therm and MasterTemp heaters with this replacement switch. This component supports the heaters safety controls by helping interrupt gas operation when required by the system design. It is a useful replacement when the original switch is damaged, inconsistent, corroded, or identified during troubleshooting. Because it is part of the gas and safety control circuit, it should be matched carefully