Pentair Back-Up Ring, Standard 10 Hole Pattern || 634595 Pal Sonar Spa Lights ORP Sensor (HL-CHEM) is a

ORP Sensor (HL-CHEM) is a component of Hayward's pool automation systems

Measures 4-Inch Length By 2-1/2-Inch Height By 4-Inch Width

which can modify schedules throughout the year for additional energy savings

The replacement light engine is designed to be compatible with Pentair LED Bubbler lights and is easy to install

8 1/2" (D44)

Pentair Back-Up Ring, Standard 10 Hole Pattern || 634595 Pal Sonar Spa Lights ORP Sensor (HL-CHEM) is aPentair Back Up Ring, Standard 10 Hole Pattern 634595 Pentair Back Up Ring, Standard 10 Hole Pattern 634595 Premium Replacement for Pentair Large Stainless Steel Niche Buy at ePoolSupply. com Authorized Pentair Reseller. Ensure your Pentair lighting fixture is operating at its peak performance with the Pentair Back Up Ring. Specifically designed for the Pentair Large Stainless Steel Niche, this replacement part is made with high quality materials to