Sporlan 903399P Valve 321042-401 Replace failing sensors showing open

Replace failing sensors showing open circuit or short circuit faults to resolve HVAC error codes and restore system performance in demanding refrigeration and HVACR environments

leak-proof mechanical installation and easier replacement during routine maintenance

The cast bronze body and stainless steel trim provide superior durability and resistance to scaling and corrosion

Check for a ruptured diaphragm or a manual override that may be engaged

This critical furnace high limit switch is engineered with a temperature range of 140°F (open) to 180°F (close)

Sporlan 903399P Valve 321042-401 Replace failing sensors showing openThe 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"