Relay Valve R-12DC (2) 1/2in Supply Ports (2) 1/2in Horizontal Delivery Ports (2) 3/8in Vertical Delivery Ports (1) 1/4in Primary Service Port(1) 1/4in Secondary Service Port 4 psi Cracking Pressure
- Part number: LRV-3401
- OE MFG: BENCHMARK TECHNOLOGY GROUP
- OEM Reference: 800481
- Cross Reference: MACK : 20QE4173, 745-800481; OTHER : 800481
- Product Class: Air Valves & Kits
The PAI LRV-3401 is a Benchmark Relay Valve R-12DC with two 1/2-inch supply ports, two 1/2-inch horizontal delivery ports, two 3/8-inch vertical delivery ports, and separate 1/4-inch primary and secondary service ports. Relay valves are heavy duty diesel truck parts that use a control signal to route compressed air from the supply circuit to brake delivery circuits, and this valve has a specified 4 psi cracking pressure. Benchmark Technology Group lists 800481 as the OEM reference; Mack cross-references include 20QE4173 and 745-800481.
