Pentair Automatic Gas Shutoff Switch (AGS) | MasterTemp & Max-E-Therm Heaters | 42002-0025S C7470 New spa setups (remove phosphates

New spa setups (remove phosphates from fill water)

This kit includes 2 each of Items 8

and larger particles before they reach the pump

make sure all equipment and piping are free of water to prevent freeze damage

Pentair Automatic Gas Shutoff Switch (AGS) | MasterTemp & Max-E-Therm Heaters | 42002-0025S C7470 New spa setups (remove phosphatesThe Pentair Automatic Gas Shutoff Switch (AGS) (42002 0025S) is the OEM replacement safety switch for Pentair MasterTemp and Max E Therm pool and spa heaters. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. IMPORTANT: QUANTITY REQUIRED PER