Trane CNT08177 Defrost Board 322027-701 The SA159-24 is the lower

The SA159-24 is the lower quick hook-up fitting

Engineered as a Danfoss 020-1132 replacement

Thermal Stability: Constructed from specialized materials that resist fogging and structural degradation at temperatures up to 120°C (248°F)

High-Dielectric Strength: Reinforced ceramic housing prevents tracking and ensures the spark ignition sequence remains stable

Its counter-clockwise (CCW) rotation and specific blade pitch are optimized for exhausting combustion gases efficiently

Trane CNT08177 Defrost Board 322027-701 The SA159-24 is the lowerWhen resolving ice accumulation issues on outdoor heat pump coils, the Trane CNT08177 Defrost Board is the precise field replacement required for residential and light commercial units. This OEM Trane control board (superseding CNT07932 and D161244G01) manages the critical transition between heating and defrost modes. By monitoring the outdoor ambient temperature and liquid line thermistors, the Trane CNT08177 ensures the reversing valve and outdoor