Product Description

Jandy® / Zodiac® Pool Heater High Limit Wire Harness Switch Assembly – R0457400 Key Benefits

• ✅ OEM Replacement — Genuine Jandy® / Zodiac® part ensures safe, reliable operation

• ✅ Protects Heater — High limit switch prevents overheating by shutting down the system if unsafe temperatures occur

• ✅ Complete Assembly — Includes both high limit switch and wire harness for quick, direct installation

• ✅ Durable Design — Built to withstand high-heat pool and spa environments

Why Choose This Switch Assembly?

• ✅ Restores proper safety function if original switch or wiring fails

• ✅ Helps extend heater life by preventing damage from overheating

• ✅ Simple replacement part — plug-and-play with factory harness

Tech Tips

• ⚠️ Always disconnect power and gas before servicing your pool heater

• ✅ Install using existing mounting location for accurate temperature monitoring

• ⚠️ If heater continues to trip after replacement, check water flow, filter condition, and thermostat calibration

Compatibility

• ✅ Jandy® and Zodiac® pool heaters requiring high limit switch assembly R0457400

• ❌ Not interchangeable with other heater brands or models — confirm part number before replacement

Specifications

• ✅ Part Number: R0457400

• ✅ Type: High Limit Switch with Wire Harness Assembly

• ✅ Function: Shuts down heater at unsafe operating temperatures

What’s Included

• ✅ High Limit Switch Assembly

• ✅ Pre-wired Harness

• ❌ Additional heater components (sold separately)

⚠️ Important: High limit switches are critical safety devices. Always confirm proper water flow and system operation after replacement.

Review Summary