Pentair Automatic Gas Shutoff Switch (AGS) | MasterTemp & Max-E-Therm Heaters | 42002-0025S Swim Vests Non-phosphate based metal stain control

Non-phosphate based metal stain control product

It does NOT include the motor

Inspect the float and seat for cracks or mineral buildup at your next filter service

or source water high in dissolved copper

The Unicel 4000 Series 4CH-30 is a 30 sq

Pentair Automatic Gas Shutoff Switch (AGS) | MasterTemp & Max-E-Therm Heaters | 42002-0025S Swim Vests Non-phosphate based metal stain controlThe 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