Panel Mounted Adjustable Thermostat 86-250 Degrees (100538)

SKU: 100538

Why Choose the General Pump 100538 Thermostat?

Built to withstand high pressure and heat, this thermostat offers easy installation, fast response, and reliable performance. Whether you’re upgrading your pressure washer or building a custom hot water unit, the 100538 gives you precise temperature control without complexity. Its rugged design, trusted approvals, and compatibility with 4000 PSI systems make it the go-to thermostat for professional cleaning applications.

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Affirm financing is available. Please contact us directly, and our sales team will help you complete your purchase using Affirm. Call us at (800) 439-4465 for assistance.

Estimated delivery: October 16, 2026 – October 22, 2026 While we make every effort to deliver your order within the estimated timeframe, actual delivery times may vary due to factors beyond our control, including carrier delays, weather conditions, holidays, or high demand periods.

Want to pay with Affirm or Klarna?

Affirm financing is available. Please contact us directly, and our sales team will help you complete your purchase using Affirm. Call us at (800) 439-4465 for assistance.

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Description

General Pump 100538 Thermostat – 4000 PSI, 250°F Rated, Panel Mount

The General Pump 100538 Thermostat is ideal for easy temperature monitoring and control in high-pressure systems. This thermostat is designed for maximum accuracy and reliability, so you can depend on it for your pressure cleaning and industrial heating applications.

First of all, the General Pump 100538 Thermostat is rated for up to 4000 PSI with a temperature range of 86°F to 250°F. This makes it perfect for hot water pressure washers, steam cleaners, and other thermal systems that require high-pressure and precise temperature control.

The panel-mounted design has a dual-scale control knob for easy temperature adjustment. The 60″ insulated stainless steel capillary tube also provides more installation flexibility in tight or enclosed spaces. The copper immersion bulb also reacts quickly to temperature changes, giving you faster and more accurate control during system temperature swings.

In addition, it is UL and CSA approved, so you can be confident that it is safe and compliant for your professional applications. The unit also comes with a 16(4)A – 380V electrical rating, which will fit most heating systems.

Specifications:

  • Rating: 4000 PSI
  • Temperature Range: 86°F to 250°F
  • Mounting: Panel
  • Control Dial: Dual-scale
  • Capillary Size: 60″ stainless steel
  • Immersion Bulb: Copper
  • Voltage Rating: UL/CSA 16(4)A at 380V
  • Weight: 0.5 lb.

California Prop 65 Warning: This product may expose you to chemicals including lead. For more details, visit www.P65Warnings.ca.gov.

Additional information
Weight0.5 lbs
Dimensions4 × 4 × 4 in
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About brand

General Pump delivers dependable pumps and accessories for a wide range of industries across the U.S. and beyond. We combine engineering, advanced technology, and product expertise with a strong focus on customer service. Our motto, “We Will Find a Way,” reflects our commitment to providing solutions that help you get the job done.

With over 110,000 square feet of facilities and 60+ team members in Minnesota and China, we support more than 40 countries. Our Minnesota headquarters unites design, engineering, manufacturing, and distribution under one roof for maximum efficiency.

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Shipping Policy

Thank you for shopping with PCE! We’re committed to fast, reliable shipping across the U.S., with most orders processed within 1 -3 business days. Please note that delivery times may vary based on carrier schedules, weather, and order volume.

Some oversized or heavy items require LTL freight shipping. Freight orders may require a custom quote, and we will contact you to confirm shipping costs and delivery details before charging your card and processing the order.

For full details on processing times, shipping restrictions, tracking, and lost or damaged packages, please review our Shipping Policy.

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