Sporlan 903031P Pressure Control R-410A this red drive gear is

this red drive gear is designed to withstand the cyclic loads and thermal fluctuations typical of large-scale air handlers and commercial units

Direct OEM Interchange: Replaces 330294001 with identical mounting specs and aerodynamic profiles

it is best practice to retain or source new 3/4" NPT plugs if they are not already installed in your specific unit configuration

M9109 (Non-Spring Return)

but you must verify the temperature rating and part number against your specific model's wiring diagram

Sporlan 903031P Pressure Control R-410A this red drive gear isThe Sporlan 903031P Pressure Control Valve, also identified as the Parker Sporlan LAC 4 100, is a high performance low ambient head pressure control designed for small capacity refrigeration and air conditioning systems. This three way modulating valve maintains stable liquid line pressure by restricting refrigerant flow from the condenser while simultaneously bypassing hot gas directly to the receiver during low outdoor temperatures. By effectively