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Key Technical Benefits Multi-Refrigerant Compatibility: Optimized for use with R-22
this genuine Carrier HVAC part is the standard choice for contractors prioritizing system uptime and mechanical stability over generic alternatives
Standard Compatibility: 1/2" Male NPT connection ensures a universal fit for most industrial expansion tanks
Internal Safety: Dual automatic valves provide redundant shut-off protection within the gas train
the knob/dial is sold separately to match specific equipment branding
Carrier 311682-201 Adapter 319847-401 Key Technical Benefits Multi-Refrigerant Compatibility:The Carrier 311682 201 Adapter is a critical HVAC replacement part engineered for high pressure fluid transitions in residential air conditioning and commercial refrigeration cycles. Designed as a 3 8 inch flare adapter, this component ensures a leak proof refrigerant connection between mismatched tubing sizes or service ports, maintaining the integrity of the sealed system. Fabricated from heavy duty, corrosion resistant brass, it is built to
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