HAXHLI1930 | Hayward Hi-Limit For H-Series Heaters | 135°F Polaris vac-sweep 180 Drive Shaft 750mV thermocouple designed for use

750mV thermocouple designed for use with Raypak pool and spa heaters

walk-in replacement for pressure monitoring and trapped air relief

feed hose O-ring

crucial for maintaining system integrity and performance

HAXHLI1930 | Hayward Hi-Limit For H-Series Heaters | 135°F Polaris vac-sweep 180 Drive Shaft 750mV thermocouple designed for useOEM Hayward Hi Limit Switch 135F HAXHLI1930 is a critical safety device for Hayward H Series ED1 and ED2 pool heaters, including Low NOx models. This high limit switch is designed to shut off the heater automatically if water temperature exceeds 135 degrees Fahrenheit, helping to prevent damage from overheating. As a genuine Hayward part, it ensures compatibility, long term performance, and safe operation. Built to meet high durability standards, this