Hayward Universal High Limit
Best safety upgrade for pool owners maintaining their own heating systems.
This essential safety switch is the silent guardian of your pool heater, automatically cutting power before temperatures hit dangerous levels. It’s a simple, non-negotiable fix that trades a few minutes of installation time for the peace of mind that your equipment won't overheat or suffer catastrophic damage.
$65.70
at
Pool Warehouse
More H-Series options
Who it's for
- Safety-conscious pool owners protecting their heating equipment investment
- DIYers needing a versatile part for various Hayward models
- Shoppers prioritizing reliable, brand-name replacement components
Who should skip it
- Homeowners struggling to diagnose complex heater overheating issues
- Beginners uncomfortable performing internal heater maintenance
- Users dealing with inconsistent water flow or sensor sensitivity
Performance breakdown
Safety Reliability
Critical fail-safe mechanism prevents catastrophic overheating and heater damage.
Installation Simplicity
Direct-fit design makes swapping out old sensors straightforward for DIYers.
Compatibility Range
Broad support across Universal H-Series and Low NOx heater models.
Build Durability
Robust construction withstands the harsh, corrosive environment of pool plumbing.
Temperature Precision
Strict 135-degree cutoff ensures consistent, accurate thermal protection every time.
OEM Authenticity
Genuine Hayward part guarantees perfect integration with existing heater electronics.
Key Specs
Product Type
Pool Part
Manufacturer
Hayward
Part Number
FDXLHLI1930
Catalog Part Number
6223-184
High Limit Temperature
135°F
Type
High Limit Switch
Temperature Rating
135 degrees Fahrenheit
Compatibility
Hayward pool and spa heaters
Heating Technology
Electric Heater
Max Pool Temp Fahrenheit
135.0
Know before you buy
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