1/2" MPT High Limit Switch – 330°F with 42" Wire for Hot Water Pressure Washers

1/2" MPT High Limit Switch – 330°F with 42" Wire for Hot Water Pressure Washers

Protect high-temperature hot water pressure washer systems with this 330°F High Limit Switch with 42" Wire Lead. Featuring a 1/2" Male NPT connection, this temperature-activated safety switch is designed to interrupt the burner control circuit when the preset temperature limit is reached.

The 42-inch wire lead provides added flexibility when routing wiring between the high limit switch and burner control components, making installation easier on a variety of pressure washer configurations.

Specifications:

• Type: High Limit Temperature Switch

• Temperature Setting: 330°F

• Connection: 1/2" Male NPT

• Wire Length: 42"

• Application: High-Temperature Pressure Washer Burner Safety Control

Applications:

• Hot water pressure washers

• High-temperature pressure washer systems

• Steam-capable cleaning equipment

• Oil-fired burner systems

• Commercial and industrial cleaning equipment

• Replacement and custom-built pressure washer systems

Features:

• Fixed 330°F high limit setting

• 1/2" Male NPT connection

• 42" wire lead for flexible installation

• Temperature-activated burner safety control

• Helps protect against excessive operating temperatures

• Provides an additional safeguard for the burner and heating coil

• Designed for demanding commercial and industrial equipment

What it does:

The high limit switch monitors temperature within the heating system. If the temperature reaches approximately 330°F, the switch changes electrical state to interrupt the burner control circuit, preventing the burner from continuing to add heat.

High Limit Switch vs. Thermostat:

An adjustable thermostat regulates the machine's normal operating temperature. The high limit switch serves as a safety device, providing an additional temperature cutoff if the system reaches the switch's preset limit.

Why it matters:

A properly functioning high limit switch helps protect against:

• Excessive operating temperatures

• Burner overheating

• Heating coil damage

• Damage to temperature-sensitive components

• Unsafe equipment operation

Important:

330°F is an extremely high temperature. This high limit switch should only be used on equipment specifically designed for this temperature range. Always verify that the heating coil, hose, spray gun, fittings, seals, valves, and other components are properly rated for the intended operating temperature and pressure.

The combination of a 330°F fixed temperature setting, 1/2" MPT connection, and 42" wire lead makes this switch a convenient replacement for compatible high-temperature commercial and industrial pressure washer systems.

Not sure if 330°F is the correct high limit switch for your machine? Reach out—we'll help you get the right part the first time.