Sporlan 903399P Valve 326070-701 check for a 24VAC demand

check for a 24VAC demand signal at the control board "G" terminal and inspect the 16-pin communication harness for loose pins or continuity issues

this condenser fan guard ensures unrestricted airflow while preventing mechanical damage from debris or accidental contact

this replacement HVAC filter offers a perfect seal within the filter frame

Most failures result from vibration-induced loose terminals or thermal hardening of the wire insulation

Sporlan 903399P Valve 326070-701 check for a 24VAC demandThe Sporlan 903399P, also known as the ADRSE 2 discharge bypass valve, is a critical component for maintaining precise system capacity control in HVACR applications. Engineered for performance during periods of low load, this hot gas bypass valve prevents coil icing and protects the compressor from operating below designed suction pressures. This specific model features a 0 80# pressure range and is equipped with 3 8" ODF solder connections and a 1 4"