Pentair 471603 Electrode Flame Sensor Replacement MiniMax NT STD Pool and Spa Heater

Verify style and part number

This listing identifies a straight flame sensor for Minimax NT heaters, part 471603. Use it when the failed part is specifically that electrode/flame-sensor assembly.

• Compare the old part’s number, length, and mounting orientation before ordering; do not assume other flame-sensor styles are equivalent.
• The listed description calls it straight, so verify style as well as part number.
• Check the old part’s printed number as the final match.

Because flame sensing involves gas ignition, have qualified service confirm diagnosis and installation rather than swapping parts based on symptoms alone. Amazon product listing.