Pentair MasterTemp Pool Heater Transformer, 115/230V | 42001-0107S DE Filter Leaks at unions or plumbing:

Leaks at unions or plumbing: Check that union gaskets are properly seated

and flood lighting applications

Keep water chemistry balanced—extreme pH and high calcium can shorten cartridge life

controlled passes when collecting silt—fast scoops can stir fine debris into suspension

the All Metal Tool is recommended for optimal results

Pentair MasterTemp Pool Heater Transformer, 115/230V | 42001-0107S DE Filter Leaks at unions or plumbing:Pentair Dual Voltage Transformer Kit for MasterTemp & Max E Therm Heaters 42001 0107S The Pentair 42001 0107S is an OEM dual voltage transformer kit used in the electrical system of select Pentair MasterTemp and Sta Rite Max E Therm pool spa heaters. This transformer converts incoming 115V or 230V line power to the proper low voltage required by the heater control circuitry for safe, reliable operation. Key Features Dual voltage (115 230V): supports