The Red Dot 70R2111S Tee Splicer is designed for mobile HVAC applications that require a three-way refrigerant hose connection. Because it uses a tee configuration, it allows technicians to split or redirect refrigerant flow without adding multiple adapters.
This fitting features male and female O-ring connections, which help ensure proper sealing under high-pressure conditions. As a result, it reduces the risk of leaks while maintaining consistent refrigerant flow.
In addition, the steel construction provides strength and durability in demanding environments. Therefore, it performs well in trucks, buses, and off-highway equipment where vibration and pressure are constant factors.
Because this tee splicer appears across OEM and aftermarket catalogs, it is widely trusted for both service repairs and custom hose assemblies.
Product Specifications
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Red Dot Part Number: 70R2111S
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Red Dot Factory Number: RD-5-12037-0P
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Fitting Style: Tee splicer
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Material: Steel
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Thread Size: 7/8″-14
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Male Insert O-Ring Size: No. 10
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Female O-Ring Size: No. 10
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Hose Size: No. 10
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Service Port: None
Common Applications
This threaded tee splicer is commonly used for:
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Mobile A/C refrigerant hose branching
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Custom refrigerant hose assemblies
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Truck and bus HVAC systems
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Construction and agricultural equipment
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Refrigeration system modifications and repairs
As a result, it is ideal when systems require a clean, three-way refrigerant connection without excessive fittings.
Cross References / Interchange Numbers
This part commonly interchanges with:
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Alliance: ABP N83 311732
Additional references include:
70R2111S, RDT70R2111S
Product Summary
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Configuration: Tee splicer (three-way)
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Material: Steel
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Hose Compatibility: No. 10
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Thread: 7/8″-14 O-ring style
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Application: Mobile HVAC / A/C systems

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