Raypak 018033 Avia Digital Low NOx Natural Gas Heater 399K BTU Rockley Fox 40® Classic® 43-045 Whistle

Fox 40® Classic® 43-045 Whistle Blue is the standard choice referees and coaches at all levels

The Super-Pro O-420-9 FNS® /FHS Tank O-Ring is a high-quality sealing gasket designed for pool and spa equipment

Made from UV-resistant material

keeping your pool cleaner and reducing filter clogs

The fixed-rpm motor drives an adjustable feed rate control for accurate chemical delivery

Raypak 018033 Avia Digital Low NOx Natural Gas Heater 399K BTU Rockley Fox 40® Classic® 43-045 WhistleEffortlessly manage your pool heater with the Raypak 018033 Avia Digital Low NOx Natural Gas Heater, featuring Wi Fi enabled control for convenient operation. Streamline temperature adjustments using the Raymote app, eliminating the need for a separate control panel. Experience powerful, 399K BTU heating capacity designed to maintain optimal water temperature in large pools. Built with low NOx technology, it ensures efficient heating with reduced