This generic replacement for the High Limit Switch is a high-quality alternative to that important switch in your Hayward® H Series® pool heater, which is used to detect when your water temperature has exceeded a safe level (135°F) and immediately opens the heat exchanger outlet when that happens. Refer to your Hayward® H Series® manual for signs that the Hi-Limit switch has reached the end of its lifespan.
- Compatibility: Hayward® H-Series® ed2 Pool Heaters, Hayward® H-Series® LoNox models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp, h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp
- For Use With: H-Series® Induced Draft, Low NOx Induced Draft, Electronic ED2 Style, Millivolt/Electronic ED1 Style Heater and H150/H200/H210/H250/H300/H350/H400 Millivolt/Electronic Ignition Pool and Spa/Hot Tub Heaters
- Replaces: HAXHLI1930
- Manufacturer: Optimum Pool Technologies, Inc.
- Model: HLS-H-SER-135
- Shipping weight: 1 lbs
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