Carrier 328963-751 Cap-Stem 321142-301 allowing for upright mounting in

allowing for upright mounting in demanding environments

it is manufactured from high-grade brass to maintain dimensional stability and resist corrosion during high-temperature combustion cycles

eliminating the need for a neutral wire or external power to operate the timing motor

Designed with a 3/4-inch inverted flare connection

internal leaking between hot and cold inlets

Carrier 328963-751 Cap-Stem 321142-301 allowing for upright mounting inThe Carrier 328963 751 Cap Stem is a precision engineered HVAC refrigeration fitting designed for high pressure service valve assemblies. Constructed from heavy duty machined brass, this 3 8 inch cap stem ensures a leak proof seal within the closed loop system, critical for maintaining proper refrigerant charge levels and preventing atmospheric contamination. As a direct OEM replacement part, it guarantees exact dimensional tolerances required for