018931F | Raypak Differential Pressure Kit For Avia 404A Skimmer Lid For Pentair Swimquip U-3 Skimmer Adjustable Length: Extends from 8

Adjustable Length: Extends from 8 to 16 feet for versatile pool maintenance applications

ensuring crystal-clear water

walk in for tristar and ecostar pump body replacement

Durable Construction: Made from reliable materials that resist corrosion and wear

recommended with every water change to keep systems running efficiently

018931F | Raypak Differential Pressure Kit For Avia 404A Skimmer Lid For Pentair Swimquip U-3 Skimmer Adjustable Length: Extends from 8The Raypak 018931F Differential Pressure Kit is a critical component for Avia 404A gas fired pool & spa heaters. It measures and monitors pressure differences across key flow paths to ensure optimal heater performance and safety. When properly installed and functioning, it helps detect low flow or blockage conditions and allows the heater to shut down or alarm before damage occurs. Made from precision parts engineered to OEM standards, this kit