Sporlan 278397-081 Valve 321894-706 it maintains the precise tolerances

it maintains the precise tolerances required for long-term vibration resistance and thermal cycling durability

making it a reliable solution for residential and light commercial furnaces

When troubleshooting system failures

This specific part is frequently utilized in Honeywell DR4200

making it a versatile choice for heat pumps and packaged RTUs where system charge fluctuations are common during defrost cycles or low ambient operation

Sporlan 278397-081 Valve 321894-706 it maintains the precise tolerancesThe Sporlan 278397 081, also identified by model QL171R 08 08, is a high performance 1 2" ODF service valve designed for demanding air conditioning and refrigeration applications. Engineered with a robust brass body and PTFE packing, this front seating shut off valve ensures reliable leak proof performance under high pressure conditions up to 600 psig. Its primary role as a refrigerant service valve is to provide a secure maintenance point for