Seller notes

RT4 Multi-Function Trailer Spring Brake Control Relay Valve.Interchangeable.Used on trailers to control parking and emergency brake functions.Applies emergency parking brakes upon loss of trailer supply line pressure.Controls reservoir charging.Meets FMVSS-121.Approximate Weight 4.5 lbs.OEM Part # KN26000. Technical Specifications: Trailer Supply (A): 3/8"Trailer Supply (B):3/8"Trailer Control: 3/8"Reservoir (A): 1/2"Reservoir (B): 3/8"Delivery (4): 3/8"PPV Closing Pressure: 55 PSIComes with Saf...

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