The Raypak 001811F High Limit Switch is a critical safety control designed for use in electric pool/spa heaters such as the ELS-552-2 and ELS-1102-2 models. This surface-mounted thermal limit detects when internal temperatures exceed safe thresholds and interrupts power to protect the heater. It features a DPST (double-pole single-throw) design with screw terminals and integrates seamlessly into the heater’s control panel. Reliable and precise, this OEM switch is built to Raypak specifications and helps prevent overheating damage, electrical faults, and system failures.
Highlights
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OEM-Quality High Limit Protection: Factory-specified thermal cutoff switch designed for the Raypak ELS-552 and ELS-1102 heater models, ensuring compatibility and proper safety function.
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Dual-Pole Thermodisc Design: A DPST configuration provides simultaneous interruption of both hot legs for secure shutdown under over-temperature conditions.
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Accurate Temperature Response: Calibrated sensitivity ensures correct and repeatable activation when heater temps rise above safe operating limits, reducing overheat risks.
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Screw-Terminal, Surface Mount Style: Easy to wire and install with standard screw terminals—streamlining maintenance and replacement tasks.
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Prevents Heat Damage & Electrical Hazards: Acts as a failsafe that cuts power to prevent component damage, fire risks, or dangerous overheating inside the heater.
Compatibility
- RayPak ELS 552-2 Heaters
- RayPak ELS 1102-2 Heaters
Additional Info
Need help with the Raypak 001811F High Limit Switch for ELS-552-2 and ELS-1102-2 heaters? This OEM safety control protects against overheating and ensures your electric pool or spa heater runs safely. Below you’ll find details on specs, safety, and local in-store availability.
OEM-Quality High Limit Protection
The 001811F is factory-calibrated to shut off the heater if temperatures rise above safe limits. It provides dependable overheating protection and integrates directly into the control system.
Can I buy the Raypak 001811F high limit switch in store today
Why is an OEM high limit switch safer than a generic replacement
What heaters are supported by the 001811F limit switch
How does this safety switch help prevent damage in daily operation
Does replacing with OEM ensure proper trip temperature
Dual-Pole Thermodisc Design
A DPST configuration interrupts both electrical legs, ensuring a full shutdown when high heat is detected. This dual action prevents dangerous faults inside the heater.
What does DPST mean on a Raypak high limit switch
How does the 001811F cut power on both hot legs in an ELS heater
Can I walk in and confirm the DPST design before purchase
Why dual-pole protection improves safety in pool heaters
Does this switch meet Raypak’s exact shutdown standards
Simple Mounting and Installation
The surface-mount style and screw terminals make installation quick. Service techs can easily remove the old switch and connect the new part without rewiring.
Can I bring my old 001811F switch to match in store before buying
How do screw terminals make this switch easy to install
Is the Raypak 001811F high limit switch a drop-in replacement
Why does surface mounting simplify heater safety upgrades
Can I pick up the 001811F locally for same-day installation
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Questions & Answers
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