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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Pentair Max E Therm MasterTemp Thermistor (42001 0053S) chlorinegenerators 0 HP 1 1 2 inch no trap 0 HP 1 1 2 inch no trap wet end is designed for compatible pump applications where the hydraulic side of the assembly needs a more complete replacement rather than rebuilding piece by piece Matching the correct 4 inch size with 9 1 4 inch outside diameter helps preserve intended fit and dependable cover support The thermistor helps the control system read water temperature so the heater can cycle properly and maintain the selected set point or diagnostic errors
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