General Pump 100729 Adjustable Safety Relief Valve – 1/2" MPT, 1000–6000 PSI

General Pump 100729 Adjustable Safety Relief Valve – 1/2" MPT, 1000–6000 PSI

Protect your pressure washer pump and high-pressure system from excessive pressure with the General Pump 100729 Adjustable Safety Relief Valve. Featuring a 1/2" Male NPT connection, this heavy-duty valve offers a wide 1000 to 6000 PSI adjustment range and handles flow rates up to 6 GPM.

Made in the USA and rated for temperatures up to 195°F, this safety relief valve provides an important additional layer of protection for commercial hot and cold water pressure washer systems.

Specifications:

• Brand: General Pump

• Part Number: 100729

• Product: Safety Relief Valve

• Connection: 1/2" Male NPT

• Adjustment Range: 1000–6000 PSI

• Maximum Pressure: 6000 PSI

• Maximum Flow: 6 GPM

• Maximum Temperature: 195°F

• Adjustable: Yes

• Made in USA: Yes

Applications:

• Hot water pressure washers

• Cold water pressure washers

• Commercial pressure washing equipment

• High-pressure pump systems

• Industrial cleaning equipment

• Pressure washer safety plumbing

Features:

• Wide adjustable pressure range from 1000 to 6000 PSI

• Heavy-duty 6000 PSI maximum pressure rating

• Handles flow rates up to 6 GPM

• 1/2" Male NPT connection

• Rated for temperatures up to 195°F

• Helps protect pumps, hoses, fittings, and other high-pressure components

• Adjustable for a variety of pressure washer applications

• Made in the USA

• Genuine General Pump component

What it does:

The safety relief valve provides backup protection against excessive pressure within the pressure washer system. If system pressure rises beyond the valve's preset adjustment, the valve opens to relieve pressure and help protect the pump, hose, fittings, and other high-pressure components.

Safety Relief Valve vs. Unloader:

A safety relief valve should not be used as a replacement for the pressure washer's unloader valve.

The unloader controls normal system pressure and bypass operation. The safety relief valve serves as a secondary safety device, opening if system pressure rises beyond the predetermined safe operating limit.

Why it matters:

Excessive system pressure can contribute to:

• Burst high-pressure hoses

• Damaged fittings and valves

• Pump damage

• Seal and packing failure

• Equipment downtime

• Unsafe operating conditions

A properly selected and adjusted safety relief valve provides valuable backup protection for both your pressure washer and its high-pressure components.

The General Pump 100729 Safety Relief Valve is an excellent choice for compatible pressure washer systems requiring a 1/2" MPT connection, up to 6 GPM, and an adjustable 1000–6000 PSI pressure range.

Not sure whether you need the 3/8" or 1/2" version? Reach out—we'll help you get the correct General Pump safety relief valve the first time.