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2. 3/4 in. Union - 38404-4097S
2. 3/4 in. Union - 38404-4097S

2. 3/4 in. Union - 38404-4097S

Pentair

Corresponds with 2 in the diagram above. 

2 Unions are Required for MasterTemp 125 Low NOx Pool Heater. 

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1. Heater Display Cover - 42002-0035Z

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12. Air Flow Switch - 42001-0061S

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22. Integrated Control Board – FD - FDXLICB1930

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