Rinnai U334-0701 Tankless Water Heater Control Circuit Board REU-N3237FF - Flaw Style:Used - Cosmetic Flaw 600V or Less Dual Element

600V or Less Dual Element Time Delay Fuse Current Limiting Class RK5

With its 5" x 4" form factor

Model #:  APNB3308FH2B

it integrates seamlessly with electronically commutated motor systems

5" enclosure

Rinnai U334-0701 Tankless Water Heater Control Circuit Board REU-N3237FF - Flaw Style:Used - Cosmetic Flaw 600V or Less Dual ElementRinnai U334 0701 control circuit board designed for REU N3237FF tankless water heater models. This replacement board manages heating cycles, temperature regulation, and system diagnostics. Compatible with Rinnai's condensing tankless water heater line. Item has a manufacturing flawsold as is for parts or repair. Verify compatibility with your specific model before purchase. Direct replacement for defective boards in qualifying units. Brand: Rinnai