The Raypak 003346F Pool Temperature Controller Thermostat is intended for accurate temperature control in pool and spa heating systems. This dependable thermostat maintains the proper temperature in the water by continuously monitoring it and modifying the heating system as necessary. It is perfect for use with HVAC equipment comparable to Raypak pool heaters, guaranteeing excellent p... https://www.usapoolshop.com/003346f-raypak-pool-temperature-controller-thermostat