Adjustable high‑pressure unloader valve rated for up to 4500 PSI and up to ~10.5 GPM, designed to relieve built‑up pressure in pressure washer systems and protect the pump during bypass operation.
Durable brass construction with standard 3/8″ female ports and adjustable spring control provides reliable pressure regulation across commercial and heavy‑duty applications such as fleet, concrete, and industrial cleaning.
Works with most high‑pressure washer pumps requiring a 4500 PSI unloader.
