🔥 General Pump Thermostat #100438 – Panel Mount Adjustable Temperature Control

Dual Scale | 60" Insulated Capillary Tube | UL/CSA Approved | Hot Water Pressure Washer Burner Control

Take full control of your hot water pressure washer system with the General Pump Thermostat Part #100438—a panel-mounted, dual-scale adjustable thermostat engineered for accurate temperature regulation and reliable burner operation in demanding environments.

Built for professional pressure washing applications, this thermostat features a 60" insulated capillary tube and UL/CSA approval, delivering safe, consistent performance you can trust in the field.

💪 Key Features & Benefits

🌡️ Dual Scale Temperature Control (°F / °C)

• Easy-to-read dial with both Fahrenheit and Celsius
• Precise temperature adjustment for optimal cleaning performance
• Helps maintain consistent heat across varying workloads

🔥 Reliable Burner Cycling & Protection

• Automatically turns burner on/off based on set temperature
• Prevents overheating and coil damage
• Improves fuel efficiency and system longevity

🧵 60" Insulated Capillary Tube

• Flexible installation across a wide range of units
• Insulated design protects against heat loss and damage
• Ideal for panel-mounted control boxes and remote sensing

🛠️ Panel Mount Design – Clean Installation

• Designed for professional control panel integration
• Secure, easy-to-access temperature adjustment
• OEM-style replacement for many hot water units

🛡️ UL / CSA Approved

• Meets recognized safety standards
• Built for dependable operation in commercial applications

🚀 Why This Thermostat Matters

A faulty thermostat can lead to:

• Overheating coils
• Burner running nonstop
• Inconsistent water temperature
• Poor cleaning performance
• Increased fuel consumption

Replacing it with the General Pump #100438 thermostat restores proper burner control and protects your entire hot water system.

🔥 Built for Real-World Use

Perfect for:

• Hot water pressure washers
• Diesel or kerosene burner systems
• Skid units, trailers, and stationary wash setups

Whether you're cleaning equipment, concrete, or fleets, this thermostat ensures consistent, controlled heat when it matters most.

⚙️ Pro Tip 

If your burner:

• won’t shut off
• doesn’t fire consistently
• or overheats the coil

👉 The thermostat is one of the most common failure points—and one of the easiest fixes.

📦 Product Specs

• Part Number: 100438
• Brand: General Pump
• Mounting: Panel mount
• Temperature Scale: Dual scale (°F / °C)
• Capillary Tube: 60" insulated
• Certifications: UL / CSA approved
• Application: Hot water pressure washer burner control

💥 Bottom Line

When accuracy, safety, and reliability matter, the General Pump 100438 thermostat delivers consistent temperature control, protects your system, and keeps your hot water unit running exactly how it should.