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Aftermarket Replacement for
Part Number: 20QE458
Mack 20QE458 Relay Valve - R12
This item is NOT eligible for returns or cancellations
Sideways ports
Supply Ports (2) 1/2" NPT
Delivery Ports (2) 1/2" NPT
Service Port (1) 1/4" P.T.
5.5 psig Cracking Pressure
Sideways ports
Supply Ports (2) 1/2" NPT
Delivery Ports (2) 1/2" NPT
Service Port (1) 1/4" P.T.
5.5 psig Cracking Pressure
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Technical Information
- Supply Ports (2) 1/2" P.T.
- Delivery Ports (2) 1/2" P.T.
- Service Port (1) 1/4" P.T.
- 5.5 psig Cracking Pressure