GP 3/8" MPT 190° Thermal Relief Valve – 5919

The GP 5919 Thermal Relief Valve is a genuine General Pump replacement part designed to protect pressure washer pumps from overheating. With a 3/8" MPT connection and a 190° relief temperature, this valve automatically opens to release hot water, allowing cooler water to flow in and protect the pump from thermal damage.

This small but critical component extends pump life, ensures safe operation, and is built from high-quality materials to withstand demanding commercial and industrial use.

Key Features & Specifications:

• Part Number: 5919

• Type: Thermal Relief Valve

• Size: 3/8" MPT (Male Pipe Thread)

• Relief Temperature: 190°F

• Protects pump from overheating by releasing hot water

• Heavy-duty construction for durability

• Genuine GP (General Pump) OEM replacement part

Applications:

• Pressure washer pumps

• Industrial and commercial cleaning equipment

• Replacement for worn or failing thermal relief valves

• Essential for protecting pump seals and internal components from heat damage

Protect your investment with the GP 5919 Thermal Relief Valve, engineered for reliable safety and long-lasting pump protection.