Pentair Thermostatic Expansion Valve (Model 120HC, 110) || 473999Z Hayward AstroLite Lights After installing this lock tool

After installing this lock tool

This product helps to remove built-up oils

designed to ensure smooth water flow regulation

one-piece tank construction resists corrosion and preserves structural integrity under heat and UV exposure

Heat Preservation Mat

Pentair Thermostatic Expansion Valve (Model 120HC, 110) || 473999Z Hayward AstroLite Lights After installing this lock toolPentair Thermostatic Expansion Valve (Model 120HC, 110) 473999Z Pentair Thermostatic Expansion Valve (Model 120HC, 110) 473999Z Genuine Replacement for Optimal Heater Performance Ensure the efficient performance of your Pentair pool heater with the Thermostatic Expansion Valve (SKU: 473999Z), designed for models 120HC and 110. As an authorized and preferred Pentair reseller, ePoolSupply. com is proud to offer this high quality component for pool and