The BT0-5115 90° Female O-Ring x Air-O-Crimp Hose Fitting with 1/4″ Switch Port is engineered for mobile air conditioning systems requiring angled hose routing, a size transition, and integrated pressure switch access.
This fitting features a #10 Air-O-Crimp clamp-style hose end and a #8 female O-ring connection (3/4-16 thread) arranged in a 90-degree configuration. The angled design improves clearance in tight engine compartments and reduces hose stress in heavy-duty and off-road equipment installations.
The step-down configuration transitions from #10 hose to a #8 port, making it ideal for connecting larger hose assemblies to smaller evaporator, condenser, or component connections.
The integrated 1/4″ switch port (SWP) provides a threaded mounting point for pressure switches, safety cut-outs, or system monitoring devices. This eliminates the need for additional inline adapters and simplifies installation.
The female O-ring sealing surface delivers dependable leak resistance when installed with the correct O-ring. The Air-O-Crimp clamp interface ensures a secure mechanical bond to #10 universal or nylon barrier hose when installed using approved clamp tools.
Constructed from durable steel, the BT0-5115 withstands vibration, refrigerant pressure cycling, and demanding operating environments found in:
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Heavy-duty trucks
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Agricultural equipment
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Construction machinery
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Off-road vehicles
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Industrial mobile HVAC systems
This fitting is intended exclusively for Air-O-Crimp clamp-style hose assemblies and is not compatible with EZ-Clip systems.
When stepping down from #10 hose to a #8 female O-ring port with a 90° turn and integrated 1/4″ switch access, the BT0-5115 provides a durable and professional-grade solution.
Product Specifications
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BTRAC Part Number: BT0-5115
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Fitting Type: Female O-Ring (FOR) x Air-O-Crimp with Switch Port
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Orientation: 90°
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Hose Size: #10
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Fitting Size: #8 (1/2″ nominal)
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Thread Size: 3/4-16
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Switch Port: 1/4″ (SWP)
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Crimp Style: Air-O-Crimp (Clamp Style)
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Material: Steel
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Application: Mobile A/C hose assemblies with integrated switch access
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Compatible Hose Type: Universal / Nylon Barrier Hose
Cross References
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AN: AN1326-1C
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BTRAC: BT0-5115
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